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		<title>크레이지신</title>
		<link>http://crazyit.tistory.com/</link>
		<description>IT 에 관한 모든 이야기 CCNA / CCNP / 네트워크 관리 / 리눅스/ LPIC/ RHCE / VCP
정보처리 및 C 언어 이야기</description>
		<language>ko</language>
		<pubDate>Tue, 06 Dec 2011 09:41:04 +0900</pubDate>
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		<managingEditor>크레이지신</managingEditor>
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			<title>UTP Cable</title>
			<link>http://crazyit.tistory.com/entry/UTP-Cable</link>
			<description>&lt;div class=&quot;titleWrap&quot; style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-align: left; &quot;&gt;
&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;font class=&quot;Apple-style-span&quot; color=&quot;#000000&quot; face=&quot;Dotum, AppleGothic, sans-serif&quot; size=&quot;4&quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;line-height: 27px;&quot;&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;UTP(Unshilded Twisted Pair) Cable&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;흔히들 말하는 Lan선이라고 합니다&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;종류는 Straight, CrossOver, Rolled 로 나눠집니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Stright는 Direct 케이블이라고도 부릅니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;다른장비의 다이렉트 로 외우면 편하십니다&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;케이블 선 외우는 순서로는&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;&#039;주백 주 녹백 청 청백 녹 갈백 갈&#039; 순으로 외우며&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;서로 다른 장비를 연결할 때 사용합니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;CrossOver는&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;케이블 선 외우는 순서로는&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;&#039;녹백 녹 주백 청 청백 주 갈백 갈&#039; 순으로 외워주며&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;서로 같은 장비를 연결할 때 사용합니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Rolled는&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;PC와 Router Console 포트를 연결할때 사용하는 선으로&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;한쪽은 &#039;주백 주 녹백 청 청백 녹 갈백 갈&#039;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;나머지 한쪽은 위의 방식을 반대로한 &#039;갈 갈백 녹 청백 청 녹백 주 주백&#039;으로&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;만들어주시면됩니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;위와같이 서로 다른장비를 연결하는 Stright 케이블, 같은 장비를 연결하는 CrossOver으로써&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;L3 장비를 Router, PC&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;L2 장비를 Switch, Hub 로 생각하시면 쉽게 이해가됩니다.&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Router &amp;lt; &amp;gt; Switch : Stright&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Router &amp;lt; &amp;gt; Hub : Stright&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Switch &amp;lt; &amp;gt; PC : Stright&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Switch &amp;lt; &amp;gt; Router : Stright&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;PC &amp;lt; &amp;gt; Hub : Stright&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;br /&gt;
&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;PC &amp;lt; &amp;gt; PC : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;PC &amp;lt; &amp;gt; Router : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Router &amp;lt; &amp;gt; Router : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Switch &amp;lt; &amp;gt; Hub : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Switch &amp;lt; &amp;gt; Switch : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;h2 style=&quot;margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; &quot;&gt;&lt;span style=&quot;font-size: 14pt; &quot;&gt;&lt;span style=&quot;font-size: 12pt; &quot;&gt;Hub &amp;lt; &amp;gt; Hub : CrossOver&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;/span&gt;&lt;/font&gt;&lt;/h2&gt;&lt;/div&gt;
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</description>
			<category>CCNA</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/150</guid>
			<comments>http://crazyit.tistory.com/entry/UTP-Cable#entry150comment</comments>
			<pubDate>Tue, 06 Dec 2011 09:34:24 +0900</pubDate>
		</item>
		<item>
			<title>SVI 를 사용하여 Vlan 간 통신 되도록 하기</title>
			<link>http://crazyit.tistory.com/entry/SVI-%EB%A5%BC-%EC%82%AC%EC%9A%A9%ED%95%98%EC%97%AC-Vlan-%EA%B0%84-%ED%86%B5%EC%8B%A0-%EB%90%98%EB%8F%84%EB%A1%9D-%ED%95%98%EA%B8%B0</link>
			<description>&lt;br /&gt;
&lt;span class=&quot;cB_Title&quot;&gt;&lt;b&gt;L3 스위칭 기술 ( 서로다른 VLAN 간 통신)&lt;/b&gt;&lt;br /&gt;
&lt;br /&gt;&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;L3 스위치는 레이어3계층에 
속하는, 즉 라우터의 역할을 할 수 있는 스위치를 말하는 것입니다.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;일반적으로 스위치 네트워크를 
구성할 때, VLAN을 이용하여 구성합니다. &lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;왜냐하면 &amp;nbsp;네트워크가 확장에 따라 트래픽 증가와&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;보안상 문제 때문입니다&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;VLAN 끼리도 통신이 필요할 때가 있습니다 때문에&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;/span&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;L3 장비, 즉 라우터가 필요로 하게 됩니다~&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;strong class=&quot;cB_Title&quot;&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p style=&quot;display: inline !important; &quot;&gt;&lt;strong class=&quot;cB_Title&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;라우터가 아니여도 L3 
스위치를 이용하여 라우터의 역할을 대신할 수 있습니다&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;font-weight: bold; font-size: 10pt; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&lt;br /&gt;
&lt;/span&gt;&lt;/span&gt;&lt;strong class=&quot;cB_Title&quot;&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p style=&quot;display: inline !important; &quot;&gt;&lt;strong class=&quot;cB_Title&quot;&gt;&lt;strong&gt;&lt;span style=&quot;font-size: 10pt; &quot;&gt;&lt;span style=&quot;font-size: 9pt; &quot;&gt;*&amp;nbsp;SVI를 이용한 vlan간의 
라우팅&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;br /&gt;
vlan에 IP 주소를 넣기위해 
&quot;interface vlan&quot;을 만들어야 하는데, &lt;br /&gt;
&lt;br /&gt;SVI(Switch Virtual Interface)라는 논리적인 인터페이스가 생성되어 IP 
주소를 넣고 통신을 가능하도록 합니다.&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;설정해 볼까요~&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;u&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;[VLAN에 라우팅 
설정하기]&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;/u&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config)#ip 
routing&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;스위치에서 라우팅 기능을 
이용한다는 의미로 위와 같이 명령어를 입력 해줘야 합니다.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config)#vlan 10&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config)#vlan 
20&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config)#int fa0/1&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config-if)#switchport mode 
access&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config-if)#switchport access vlan 
10&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config)#int fa0/2&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config-if)#switchport mode 
access&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw1(config-if)#switchport access vlan 
20&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Switch1(config)#int vlan 10&lt;/span&gt;&lt;/span&gt;&lt;font color=&quot;#ff7635&quot;&gt;&lt;br /&gt;
&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Switch1(config-if)#ip addr 
10.10.10.254 255.255.255.0&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;color: rgb(212, 26, 1); font-size: 10pt; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Switch1(config)#int vlan 20&lt;/span&gt;&lt;/span&gt;&lt;font class=&quot;Apple-style-span&quot; color=&quot;#ff7635&quot;&gt;&lt;br /&gt;
&lt;/font&gt;&lt;span style=&quot;color: rgb(212, 26, 1); font-size: 10pt; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Switch1(config-if)#ip addr 
10.10.20.254 255.255.255.0&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;통신이 되는지 확인해 봅시다&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;u&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;[라우팅 
확인하기]&lt;/span&gt;&lt;/span&gt;&lt;/u&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;P1#ping 
10.10.20.1&lt;br /&gt;
&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Type escape sequence to abort.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sending 5, 100-byte ICMP 
Echos to 10.10.20.1, timeout is 2 second:&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;!!!!!&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Success rate is 100 percent 
(5/5), round-trip min/avg/max = 4/5/8 ms&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;vlan에 SVI를 만들어 
IP 주소를 넣고 라우팅 시키는 방법은 위와 같구요~&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;이번에는 라우터를 이용해서 
vlan간의 통신을 해볼까요~&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;strong&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;2. 라우터를 이용한 vlan간의 
라우팅&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;스위치와 연결되어 
있는 부분은 &amp;nbsp;트렁크 포트로 만들어 802.1q나 isl 모드로 바꿔야 하고, &lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;다닐 수 있는 vlan의 설정을 
해주어야 합니다.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;설정해 볼까요~&lt;br /&gt;
&lt;br /&gt;아 우선 주 인터페이스를 먼저 확인해서 정보를 먼저 봐야 겠져~&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;u&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;[이더넷을 서브 인터페이스로 
나누기]&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;/u&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config)#int 
fa0/0&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config-if)#no shutdown&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;주 인터페이스에 들어가 
우선 인터페이스를 UP 시켜주세요~&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config)#int fa0/0.10&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config-if)#encapsulation dot1q 
10&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config-if)#ip addr 10.10.10.254 
255.255.255.0&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config)#int fa0/0.20&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config-if)#encapsulation dot1q 
20&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Router1(config-if)#ip addr 10.10.20.254 
255.255.255.0&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;시리얼 서브 잡는것과 
마찬가지로 fa0/0.xx 이렇게 해주면 됩니다 &lt;br /&gt;
&lt;br /&gt;편의상 흘러다니는 vlan의 번호로&amp;nbsp;&lt;/span&gt;&lt;/span&gt;지정해주었습니다.&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;IP 주소를 넣고 
802.1x 방식으로 트렁크 모드로 만듭니다&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;u&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;[스위치 
설정하기]&lt;/span&gt;&lt;/span&gt;&lt;/u&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config)#int 
fa0/1&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport mode 
access&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport access vlan 
10&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config)#int fa0/2&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport mode 
access&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport access vlan 
20&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;/font&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config)#int fa0/10&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport trunk encapsulation 
dot1q&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport mode 
trunk&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sw(config-if)#switchport trunk allowed vlan 
10,20&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;fa0/10 포트를 
트렁크로 만들고 흘러다닐 수 있는 vlan을 10,20으로 지정해 주었습니다.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&amp;nbsp;&lt;/p&gt;
&lt;p style=&quot;font-weight: bold; &quot;&gt;&lt;u&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;[라우팅 
확인하기]&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;/u&gt;&lt;font color=&quot;#d41a01&quot;&gt;&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;P1#ping 
10.10.20.1&lt;/span&gt;&lt;/span&gt;&lt;/font&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Type escape sequence to abort.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;Sending 5, 100-byte ICMP 
Echos to 10.10.20.1, timeout is 2 second:&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;FONT-SIZE: 10pt&quot;&gt;&lt;span style=&quot;FONT-SIZE: 9pt&quot;&gt;!!!!!&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;font style=&quot;FONT-SIZE: 12pt; FONT-FAMILY: 1031840_12&quot;&gt;&lt;/font&gt;&lt;/p&gt;
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(5/5), round-trip min/avg/max = 4/5/8 ms&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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</description>
			<category>CCNA</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/149</guid>
			<comments>http://crazyit.tistory.com/entry/SVI-%EB%A5%BC-%EC%82%AC%EC%9A%A9%ED%95%98%EC%97%AC-Vlan-%EA%B0%84-%ED%86%B5%EC%8B%A0-%EB%90%98%EB%8F%84%EB%A1%9D-%ED%95%98%EA%B8%B0#entry149comment</comments>
			<pubDate>Wed, 16 Nov 2011 09:40:37 +0900</pubDate>
		</item>
		<item>
			<title>RHCE 에 대해서</title>
			<link>http://crazyit.tistory.com/entry/RHCE-%EC%97%90-%EB%8C%80%ED%95%B4%EC%84%9C</link>
			<description>&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;RHCE Exam 준비가이드&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;a href=&quot;http://www.kr.redhat.com/training/rhce_pre_guide.html&quot; title=&quot;http://www.kr.redhat.com/training/rhce_pre_guide.html&quot; style=&quot;font-weight: bold; color: rgb(51, 153, 204); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;http://www.kr.redhat.com/training/rhce_pre_guide.html&lt;/a&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;1. 디스크 파티션 이해 및 Red Hat Linux 설치시 파티션 툴의 사용 방법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;2. Red Hat Linux 설치에 관한 전반적인 이해 및 능력, 특히 네트워크 설치&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;3. 설치시 구성 요소에 관한 이해 (LILO/GRUB, authentication, networking, system initialization, packages 등)&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;4. 설치 옵션의 post-installation 구성 방법에 관한 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;5. Red Hat Linux 파일시스템 레이아웃 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;6. script가 하는 일 및 /etc/sysconfig/network-scripts 파일 구성에 대한 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;7. multiple-boot 설치에의 다양한 접근 방법 이해 및 때때로 multiple-boot 설치에 사용되는 관련 설치 툴(rawrite, fips)&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;8. kickstart 설치 기본 이해 (kickstart file, floppy- vs. network-based, installation media, boot disk preparation, etc.)&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;9. rpm 명령어 및 switch들에 대한 전반적인 지식, 특히 설치 및 querying of package에 관계된 것.&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;10. 기본적인 source(*.src.rpm) rpm packages 요소에 대한 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;11. system recovery를 위한 rescue 환경으로의 부팅 방법 및 사용법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;12. 여러 종류의 user account 생성법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;13. user 환경 구성법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;14. system and user bash configuration files&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;15. quotas, quota concepts 이해 및 user, group quotas 방법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;16. cron system 이해 및 cron을 사용해서 scheduled jobs를 셋팅하는 방법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;17. 필수 커널 개념 이해 (monolithic vs. modular kernels, initial ramdisks, etc)&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;18. 커널 소스 설치 및 Linux 커널을 rebuild하기 위해 필요한 개발 툴&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;19. 소스로 부터 Linux 커널과 모듈을 구성, build, 설치하는 법. LILO/ GRUB 요소, 부팅 절차 및 구성에 대한 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;20. Apache, Samba, NFS, basic sendmail, POP3/IMAP4 email, DNS, and ftp 등 network services에 대한 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;21. 기본적인 troubleshooting을 할 수 있도록 그런 서비스의 function, configuration, logging에 대한 충분한 이해 필요&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;22. 위의 서비스를 위한 access 제한 방법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;23. Red Hat Linux에서 지원되는 다른 network services : squid, innd NNTP server, xntpd, etc.&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;24. 일반적인 X 이해 및 특히 XFree86 X server에 대한 이해. (configuration file 및 그 파일을 수정하는데 사용되는 툴 포함)&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;25. Red Hat Linux 상에서 가능한 윈도우 매니저와 데스크탑 환경 선택 및 방법 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;26. remote login과 remote client를 포함한 remote로 X 사용하기&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;27. xinetd 역할 이해 및 tcp_wrappers 보안 방법의 실행법 이해&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;28. 기본적인 NIS 개념 이해 및 NIS와 관련된 components.&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;29. PAM subsystem의 목적 이해, 기본적인 PAM 구성 변경법&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;30. router로서의 Red Hat Linux 사용과 관련된 configuration issues : routing options, IP forwarding, and kernel configuration&lt;/span&gt;&lt;br style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 17px; background-color: rgb(255, 255, 255); &quot;&gt;31. 기본적인 firewall 정책을 실행하기 위해 iptables 사용하기, Red Hat Linux에서의 User Private Group scheme 이해&lt;br /&gt;
&lt;br /&gt;
본자료는 KLDP 에서 참조해서 퍼온글 입니다 정보공유의 목적으로만 링크했으니 문제가 된다면 삭제하겠습니다 ^^;;&amp;nbsp;&lt;/span&gt;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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</description>
			<category>RHCE</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/148</guid>
			<comments>http://crazyit.tistory.com/entry/RHCE-%EC%97%90-%EB%8C%80%ED%95%B4%EC%84%9C#entry148comment</comments>
			<pubDate>Mon, 07 Nov 2011 23:38:27 +0900</pubDate>
		</item>
		<item>
			<title>TCP-Wrapper</title>
			<link>http://crazyit.tistory.com/entry/TCP-Wrapper</link>
			<description>&lt;p class=&quot;바탕글&quot; style=&quot;margin-bottom: 1.6pt; text-align: right; &quot;&gt;&lt;div style=&quot;text-align: left;&quot;&gt;
&lt;span class=&quot;Apple-style-span&quot; style=&quot;line-height: 14px;&quot;&gt;&lt;br /&gt;
&lt;/span&gt;&lt;/div&gt;
&lt;span lang=&quot;EN-US&quot;&gt;&lt;div style=&quot;line-height: 120%; text-align: left; &quot;&gt;
TCP-Wrappe 은 무엇인가?&lt;/div&gt;
&lt;div style=&quot;text-align: left;&quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;line-height: 14px;&quot;&gt;&lt;br /&gt;
&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: left;&quot;&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;line-height: 14px; &quot;&gt;TCP-Wrapper는 네트워크 서비스에 관련한 트래픽을 제어하고 모니터링 할 수 있는 UNIX 기반의 방화벽 툴입니다. &lt;br /&gt;
무작위의 임의적인 호스트가 서비스를 요청해 오면 &amp;nbsp;데몬을 구동하기 전에 접속을 허용한 시스템인지 여부를 확인&lt;br /&gt;
 호스트명 및 서비스명을 로그에 남기고,&lt;br /&gt;
 허가된 시스템은 서비스를 제공 허가되지 않은 경우에는 접속을 차단.&lt;/span&gt;&lt;/div&gt;
&lt;/span&gt;&lt;/p&gt;
&lt;p class=&quot;바탕글&quot; style=&quot;text-align: left;line-height: 120%; margin-bottom: 1.6pt; &quot;&gt;기존의 설정파일이나 소스코드에 별다른 수정이 필요치 않고, &lt;br /&gt;
정상적인 사용자들에게는 불편을 주지 않으면서도 허가되지 않은 접근의 제한 및 탐지가 가능하기&lt;br /&gt;
 때문에 많은 서버 관리자들이 이 툴을 사용하고 있습니다.&lt;br /&gt;
&lt;br /&gt;리눅스 1급 2차 시험에도 자주 출제가 되더군요 &lt;br /&gt;
&lt;br /&gt;알아두시면 시험 및 실무에도 많은 도움이 될꺼같습니다~&lt;br /&gt;
&lt;br /&gt;&lt;span lang=&quot;EN-US&quot;&gt;현제 사용하고 계시는 리눅스 버젼에서는 (2011년 10월 기준) TCP_Wrapper가 설치되어 있기 때문에 설치 과정 없이&lt;br /&gt;
 &lt;br /&gt;
/etc/hosts.deny 와 /etc/hosts.allow 파일에 접근 리스트를 설정 해 주고 inetd 데몬을 재구동 시켜주면 된다&lt;br /&gt;
&lt;br /&gt;&lt;p class=&quot;바탕글&quot; style=&quot;line-height: 120%; margin-bottom: 1.6pt; &quot;&gt;다음 명령을 콘솔창에 입력해 본다&lt;br /&gt;
&amp;nbsp;&lt;/p&gt;
rpm -qa | grep wrappers&amp;nbsp;&lt;/span&gt;&amp;nbsp;(설치여부나 설치된 버전을 확인하는 명령)&lt;br /&gt;
&lt;br /&gt;레드헷 계열의 리눅스는 보다 강화된 개념의 Xinet가 기본적으로 설치&amp;nbsp;되기 때문에(7.0 버젼이상일때만)&lt;br /&gt;
&lt;br /&gt;따로 소스컴파일을 하셔야 함(설치과정은 과감이 생략하것음)&lt;br /&gt;
&lt;br /&gt;(다운받을수 있는곳 링크)&lt;br /&gt;
&lt;br /&gt;http://www.certcc.or.kr/kisul/kisul8.htmPorcupine.org&lt;br /&gt;
 &lt;br /&gt;
ftp://ftp.porcupine.org/pub/security/tcp_wrappers_7.6.tar.gz.&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;&amp;nbsp;&lt;/p&gt;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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</description>
			<category>리눅스마스터</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/147</guid>
			<comments>http://crazyit.tistory.com/entry/TCP-Wrapper#entry147comment</comments>
			<pubDate>Fri, 04 Nov 2011 12:29:58 +0900</pubDate>
		</item>
		<item>
			<title>다이나밉스 설정 및 사용방법</title>
			<link>http://crazyit.tistory.com/entry/%EB%8B%A4%EC%9D%B4%EB%82%98%EB%B0%89%EC%8A%A4-%EC%84%A4%EC%A0%95-%EB%B0%8F-%EC%82%AC%EC%9A%A9%EB%B0%A9%EB%B2%95</link>
			<description>CCNA 나 CCNP 를 준비중이신 분들이라면 무슨 에뮬레이터를 써야 할까 고민하시는 경우가 많은데요&lt;br /&gt;
&lt;br /&gt;
우선 제가 추천해 드리고 싶은 것은 다이나밉스를 추천 해드릴까 해요 &lt;br /&gt;
&lt;br /&gt;
이유는 GNS3 나 패킷트레이서 같은 에뮬레이터 또한 휼륭하긴 하지만&lt;br /&gt;
&lt;br /&gt;
다이나밉스는 이런 GUI 환경의 토폴로지들을 보여주진 않지만 &lt;br /&gt;
&lt;br /&gt;
실무적으로 쓸대의 환경과 거의 흡사하다고 생각이 들어서 추천해 드려요 &lt;br /&gt;
&lt;br /&gt;
다이나밉스로 연습하시고 설정 및 공부 하시는 분들은 나중에 네트워크 업체쪽으로 취업을 하신 후에도 &lt;br /&gt;
&lt;br /&gt;
빠른 적응을 하시더라구요(주변에 선 후배들을 보고서..)&lt;br /&gt;
&lt;br /&gt;
일단 &amp;nbsp;다이나밉스를 다운 받으신 후에(아래 링크)&lt;br /&gt;
&lt;br /&gt;
&lt;a href=&quot;http://dynagen.org/&quot;&gt;http://dynagen.org/&lt;br /&gt;
&lt;br /&gt;
위 홈피에 들어가 보셔서 설명을 보시면 다이나밉스를 인스톨 하시기 전에&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;color: rgb(85, 85, 85); text-align: justify; font: normal normal normal 14px/normal Arial, Verdana, Helvetica, sans-serif; &quot;&gt;&lt;/span&gt;&lt;/a&gt;&lt;a href=&quot;http://www.winpcap.org/&quot; rel=&quot;self&quot; style=&quot;text-decoration: underline; color: rgb(63, 137, 212); &quot;&gt;Winpcap 4.0&lt;/a&gt;&lt;span style=&quot;color: rgb(85, 85, 85); text-align: justify; font: normal normal normal 14px/normal Arial, Verdana, Helvetica, sans-serif; &quot;&gt;.&lt;br /&gt;
&lt;span style=&quot;font-size: 9pt; &quot;&gt;&lt;br /&gt;
이상이 필요하다고 나와있습니다 우선 다이나밉스 파일을 받으시면 설치시에 의존성 프로그램을 자동으로 인스톨 해주니 &lt;br /&gt;
&lt;br /&gt;
파일 하나만 받으시면 인스톨 걱정은 안하셔두 됩니다~&lt;br /&gt;
&lt;br /&gt;
담으로 준비하셔야 할것은 다이나밉스에 IOS 파일을 준비하셔야 되는데요 (라우터 / 스위치 기타 등등 IOS)&lt;br /&gt;
&lt;br /&gt;
시스코 사이트에 무료로 올라온 IOS 도 있긴하지만 저작권및 유료 IOS 도 있더라구요 가격이 만만치 않다는;;;;;;&lt;br /&gt;
&lt;br /&gt;
일단 IOS 파일은 형제 자매 여러분들을 통해서 구하시구요&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
여기선 위 준비사항이 다 되어있다는 가정하에 설명드릴까 해요~&lt;br /&gt;
&lt;br /&gt;
인스톨 방법은 굳이 스샷으로 올리진 않을까해요 보통 NEXT / 다음 이렇게 기본적으로 해주시면 인스톨은 GOOD~~&lt;br /&gt;
&lt;br /&gt;
인스톨이 완료후 바탕화면에&amp;nbsp;&lt;p style=&quot;margin:0&quot;&gt;&lt;div class=&quot;imageblock center&quot; style=&quot;text-align: center; clear: both;&quot;&gt;&lt;a href=&quot;http://cfile23.uf.tistory.com/original/151407364EBA3FD83C53A9&quot; rel=&quot;lightbox&quot; target=&quot;_blank&quot;&gt;&lt;img src=&quot;http://cfile23.uf.tistory.com/image/151407364EBA3FD83C53A9&quot; alt=&quot;&quot; filemime=&quot;image/jpeg&quot; filename=&quot;3.PNG&quot; height=&quot;134&quot; width=&quot;232&quot;/&gt;&lt;/a&gt;&lt;/div&gt;&lt;br /&gt;
이 3형제 아이콘이 생긴것을 확인해주세요~~ 다 있으심 설치 완료 ~~&lt;br /&gt;
&lt;br /&gt;설정은 2편에 ~~~&amp;nbsp;&lt;/p&gt;
&lt;br /&gt;&lt;br /&gt;
&lt;br /&gt;﻿&lt;/span&gt;&lt;br /&gt;
&amp;nbsp;&lt;/span&gt;&amp;nbsp;&amp;nbsp;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/146</guid>
			<comments>http://crazyit.tistory.com/entry/%EB%8B%A4%EC%9D%B4%EB%82%98%EB%B0%89%EC%8A%A4-%EC%84%A4%EC%A0%95-%EB%B0%8F-%EC%82%AC%EC%9A%A9%EB%B0%A9%EB%B2%95#entry146comment</comments>
			<pubDate>Thu, 03 Nov 2011 16:19:12 +0900</pubDate>
		</item>
		<item>
			<title>기억하라......</title>
			<link>http://crazyit.tistory.com/entry/%EA%B8%B0%EC%96%B5%ED%95%98%EB%9D%BC</link>
			<description>우리는 알 수 없는 미래에 대한 두려움에 불안해 하고 있다&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;현재 자신의 행동과 모습 그리고 노력은&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;미래와 연관된다.....&lt;br /&gt;
&lt;br /&gt;지금 무엇을 하고 있나 ....&lt;br /&gt;
&lt;br /&gt;순간을 낭비하고 있진 않나&lt;br /&gt;
&lt;br /&gt;지금하고 있는 행동이 미래에 어떤 모습으로 자신을 변화시킬지 생각하자&lt;br /&gt;
&lt;br /&gt;&amp;nbsp;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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</description>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/145</guid>
			<comments>http://crazyit.tistory.com/entry/%EA%B8%B0%EC%96%B5%ED%95%98%EB%9D%BC#entry145comment</comments>
			<pubDate>Wed, 02 Nov 2011 17:48:04 +0900</pubDate>
		</item>
		<item>
			<title>Rain Drops Keep Falling on My Head  By B. J. Thomas</title>
			<link>http://crazyit.tistory.com/entry/Rain-Drops-Keep-Falling-on-My-Head-By-B-J-Thomas</link>
			<description>&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;Raindrops keep fallin&#039;&lt;br /&gt;
on my head&lt;br /&gt;
And just like the guy&lt;br /&gt;
whose feet are too big for his bed&lt;br /&gt;
Nothin&#039; seems to fit&lt;br /&gt;
Those raindrops are fallin&#039; on my head,&lt;br /&gt;
&amp;nbsp;They keep fallin&#039;&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;빗방울은 계속해서 떨어진다&lt;br /&gt;
내 머리에&amp;nbsp;&lt;br /&gt;
그리고 마치 그런 사람처럼&lt;br /&gt;
그의 발이 너무 커서 침대에 맞지 않는 사람&lt;br /&gt;
아무 것도 맞는 듯이 보이지 않아&amp;nbsp;&lt;br /&gt;
저 빗방 울은 계속 내 머리위로 떨어지는데&lt;br /&gt;
빗방울은 계속 떨어져.&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;So I just did me some talkin&#039; to the sun&lt;br /&gt;
And I said I didn&#039;t like the way he got things done&lt;br /&gt;
Sleepin&#039; on the job&lt;br /&gt;
Those raindrops are fallin&#039; on my head,&lt;br /&gt;
They keep fallin&#039;&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;그래서 태양을 보고 몇 마디 했지&lt;br /&gt;
난 태양이 일하는 방식이 맘에 안든다고 말했지&amp;nbsp;&lt;br /&gt;
일은 안하고 잠이나 자고 있잖아&lt;br /&gt;
빗방울은 계속 내 머리로 떨어지는데...&lt;br /&gt;
계속 떨어지는데...&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;But there&#039;s one thing I know&lt;br /&gt;
The blues they send to meet me&lt;br /&gt;
won&#039;t defeat me&lt;br /&gt;
It won&#039;t be long&lt;br /&gt;
till happiness steps up&lt;br /&gt;
to greet me&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;하지만 한가지 내가 알고 있는 일이 있어&amp;nbsp;&lt;br /&gt;
빗방울이 나를 만나보라고 보낸 그 우울함은&amp;nbsp;&lt;br /&gt;
나를 꺽을 수는 없지&lt;br /&gt;
우울하게 만들려고 해도&lt;br /&gt;
날 꺽을 수는 없지&lt;br /&gt;
머지 않아, 기쁨이 다가와&lt;br /&gt;
나를 맞아 줄거야&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;Raindrops keep fallin&#039;&lt;br /&gt;
on my head&lt;br /&gt;
But that doesn&#039;t mean&lt;br /&gt;
my eyes will soon be turnin&#039; red&lt;br /&gt;
Cryin&#039;s not for me&lt;br /&gt;
&#039;Cause I&#039;m never gonna&lt;br /&gt;
stop the rain by complainin&#039;&lt;br /&gt;
Because I&#039;m free&lt;br /&gt;
Nothin&#039;s worryin&#039; me&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;빗방울은 계속해서&lt;br /&gt;
내 머리에 떨어지지만&lt;br /&gt;
그러나 그것이 의미하는 것은 아니야&lt;br /&gt;
내 눈이 벌겋게 될 것이라는 것을(내가 많이 울 것이라는 것을)&lt;br /&gt;
우는 것은 내게 어울리지 않아&lt;br /&gt;
왜냐하면 불평을 하여 비를 멈추게하고 싶지 않으니까&lt;br /&gt;
난 자유로운 사람이기 때문에&lt;br /&gt;
그 어떤 것도 나를 괴로히지 못해&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;It won&#039;t be long&lt;br /&gt;
till happiness steps up&lt;br /&gt;
to greet me&lt;br /&gt;
&lt;br /&gt;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;머지 않아&lt;br /&gt;
행복이 다가와&lt;br /&gt;
나를 맞아 줄거야&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;span class=&quot;Apple-style-span&quot; style=&quot;color: rgb(0, 0, 0); font-family: Gulim; line-height: normal; background-color: rgb(255, 255, 255); font-size: small; &quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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</description>
			<category>세상에대한짧은 생각</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/144</guid>
			<comments>http://crazyit.tistory.com/entry/Rain-Drops-Keep-Falling-on-My-Head-By-B-J-Thomas#entry144comment</comments>
			<pubDate>Sun, 30 Oct 2011 21:41:39 +0900</pubDate>
		</item>
		<item>
			<title>게임속 세상과 현실</title>
			<link>http://crazyit.tistory.com/entry/%EA%B2%8C%EC%9E%84%EC%86%8D-%EC%84%B8%EC%83%81%EA%B3%BC-%ED%98%84%EC%8B%A4</link>
			<description>어제 새벽에 문득 이런 생각이 들었다 한때 게임 마스터를 하며 여러 부류의 사람들을 만나봤지만&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;그땐 왜 이런생각을 못했나 하는 ㅋ~~&lt;br /&gt;
&lt;br /&gt;주위를 보면 취미로 아님 생업으로 그리고 게임이 삶의 목적이라는 &amp;nbsp;사람들이 많이 있다 하지만&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;보통 그런 부류들의 사람들은 난 단지 즐기고 있을 뿐이라는 말로 자기 정당화를 하기 일쑤였다 진짜 자기 자신을 &lt;br /&gt;
&lt;br /&gt;제대로 돌아보지 않고 자기 정당화로 위로하는 정도랄까;;?&lt;br /&gt;
&lt;br /&gt;물론 게임하는것 자체가 나쁜것이 아니다 취미로 즐김면서 하는 사람들도 많이 있다 .......&lt;br /&gt;
&lt;br /&gt;게임속 세상에선 좋은 장비와 좋은 사람들을 만나서 (물론 그것이 인연이 되서 같이 일하게 되는 경우도 많이 보았지만)&lt;br /&gt;
&lt;br /&gt;나름 생활의 의미를 부여하면서 사는&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;하지만 다른쪽으로 한번 생각해 보라 &amp;nbsp;일단 거울을 보라&lt;br /&gt;
&lt;br /&gt;어떻게 변했는가 그리고 게임속 세상과 현실과의 문제는 무엇인가 다시한번 냉정하게 자기자신을 돌이켜보면&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;자신이 정말 즐기고 있는지 아님 게임에 끌려다니는지 알 수 있을 것이다&lt;br /&gt;
&lt;br /&gt;게임속에서도 일정 수준에 던전이나 좋은 장비를 얻기 위해선 그것에 맞춰서 템을 업그레이드 하던가 아님 공략을 충실이&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;익혀야 하는것이 현실이다&amp;nbsp;&lt;br /&gt;
&lt;br /&gt;지금 바로 현실에선 어떤가 ? 현실에 대한 공략과 그것에 맞는 문제를 해결하기 위해 좋은 지식과 (장비와) 스킬을 업그레이&lt;br /&gt;
&lt;br /&gt;드 하고 있나? 아님 노력조차 하지 않으면서 불만과 불평만 하고 있는가?&lt;br /&gt;
&lt;br /&gt;현실에선 영던(좋은 무기를 얻기위한 고 난이도 던전) 을 가야 하는데 고작 녹템 흰템을 입고 잘 안된다고 불평하고 있진 않&lt;br /&gt;
&lt;br /&gt;나?&lt;br /&gt;
&lt;br /&gt;인생은 타이밍이라 생각한다 &amp;nbsp;그리고 역활에 걸맞는 실력또한 아주 중요하게 같춰져야 할 덕목중 하나이다&lt;br /&gt;
&lt;br /&gt;1년 까진 바라지 않는다 바로 1달 아니 1주일 뒤에 자기가 어떻게 변해있을까를 생각하면 시간을 그렇게 낭비하진 못할것이다&lt;br /&gt;
&lt;br /&gt;소 잃고 외양간 고친다 한국 정치 개판이다 세상이 이래서 정말 싫다 그런말을 할수 있는 자격이 있나 자기자신을 한번 돌이켜&lt;br /&gt;
&lt;br /&gt;보자~~~&amp;nbsp;&lt;br /&gt;
&amp;nbsp;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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	class=&quot;ttShareEntryWithFacebook&quot; id=&quot;ttServiceFacebook_&quot; onclick=&quot;ShareEntryWithSNS.share(&#039;facebook&#039;, &#039;&#039;, &#039;&#039;);&quot;&gt;&lt;span&gt;페이스북에 보내기&lt;/span&gt;&lt;/button&gt;&lt;button
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</description>
			<category>세상에대한짧은 생각</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/142</guid>
			<comments>http://crazyit.tistory.com/entry/%EA%B2%8C%EC%9E%84%EC%86%8D-%EC%84%B8%EC%83%81%EA%B3%BC-%ED%98%84%EC%8B%A4#entry142comment</comments>
			<pubDate>Fri, 28 Oct 2011 12:28:02 +0900</pubDate>
		</item>
		<item>
			<title>진짜 프로그래머와 가짜 프로그래머의 차이</title>
			<link>http://crazyit.tistory.com/entry/%EC%A7%84%EC%A7%9C-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%99%80-%EA%B0%80%EC%A7%9C-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%9D%98-%EC%B0%A8%EC%9D%B4</link>
			<description>&lt;div&gt;
이글은 2004년 2월 12일 목요일 Focus에 나온 글입니다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
1. 가짜 : 비쥬얼 베이직을 쓰면 후진놈 C만 쓰면 잘하는놈&lt;/div&gt;
&lt;div&gt;&amp;nbsp; &amp;nbsp;진짜 : 아무거나 쓴다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
2. 가짜 : 언제나 툴에 의존하려 하고 좋은 툴을 찾아내려한다.&lt;/div&gt;
&lt;div&gt;&amp;nbsp; &amp;nbsp;진짜 : 별 관심 없다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
3. 가짜 : 항상 고습기능을 익히려고 해쓴다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&amp;nbsp; &amp;nbsp;진짜 : 별 생각없다.&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
4. 가짜 : 프로그래밍을 짜면 아주 성의있게 멋지게 만들려고 해쓴다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&amp;nbsp; &amp;nbsp;진짜 : 눈에 보이는 대로 만든다. 그러나 필받으면 기차게 만든다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
5. 가짜 : 항상 웹에만 관심이 있다.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&amp;nbsp; &amp;nbsp;진짜 : 별 관심 없다.&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div class=&quot;entry-ccl&quot; style=&quot;clear: both; text-align: right; margin-bottom: 10px&quot;&gt;
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	class=&quot;ttShareEntryWithTwitter&quot; id=&quot;ttServiceTwitter_&quot; onclick=&quot;ShareEntryWithSNS.share(&#039;twitter&#039;, &#039;&#039;, &#039;&#039;);&quot;&gt;&lt;span&gt;트위터에 보내기&lt;/span&gt;&lt;/button&gt;&lt;button
	class=&quot;ttShareEntryWithFacebook&quot; id=&quot;ttServiceFacebook_&quot; onclick=&quot;ShareEntryWithSNS.share(&#039;facebook&#039;, &#039;&#039;, &#039;&#039;);&quot;&gt;&lt;span&gt;페이스북에 보내기&lt;/span&gt;&lt;/button&gt;&lt;button
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</description>
			<category>C언어 이야기</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/141</guid>
			<comments>http://crazyit.tistory.com/entry/%EC%A7%84%EC%A7%9C-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%99%80-%EA%B0%80%EC%A7%9C-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8%EC%9D%98-%EC%B0%A8%EC%9D%B4#entry141comment</comments>
			<pubDate>Fri, 28 Oct 2011 11:00:16 +0900</pubDate>
		</item>
		<item>
			<title>*** 프로그래머 십계명 ***</title>
			<link>http://crazyit.tistory.com/entry/%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8-%EC%8B%AD%EA%B3%84%EB%AA%85</link>
			<description>&lt;div&gt;
*** 프로그래머 십계명 ***&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
시작부터 경지에 이르기까지...&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
1. 정보를 모음에 소홀히 하지 말고 설명서를 읽음에 게을리 하지 말지어&amp;nbsp;&lt;/div&gt;
&lt;div&gt;다. 오늘 필요 없는 정보는 내일 필요하리라. 가장 가치 있고도 저렴한&amp;nbsp;&lt;/div&gt;
&lt;div&gt;지식은 책 속에 있느니라. 서점과 동료의 책꽂이에 무엇이 꽂혀 있는지&amp;nbsp;&lt;/div&gt;
&lt;div&gt;때때로 살피어라. 무심코 흘렸던 종이 한 장이 너의 근심을 풀어 주었&amp;nbsp;&lt;/div&gt;
&lt;div&gt;으리라. 설명서는 충분히, 꼼꼼히 읽을지어다. 모든 의문은 설명서를&amp;nbsp;&lt;/div&gt;
&lt;div&gt;안 보는 데서 생기니라. 그렇더라도 모두 다 읽을 필요는 없느니라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
2. 너의 PC가 안전하다고 믿지 말지어다. 5분 후에 정전이 되고 내일 너의&amp;nbsp;&lt;/div&gt;
&lt;div&gt;하드가 맛이 가리라. 그러하니 너의 소중한 소스 코드는 정기적으로 여&amp;nbsp;&lt;/div&gt;
&lt;div&gt;러 군데에 단계별로 백업해 두어라.&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
3. 변하는 수를 다룰 때에는 늘 조심할지어다. 정수가 절대로 그 한계를&amp;nbsp;&lt;/div&gt;
&lt;div&gt;넘지 않으리라 가정하는 것은 어리석음이라. 127, -128, 255, 32767,&amp;nbsp;&lt;/div&gt;
&lt;div&gt;-32768, 65535, 이 숫자들을 너의 골수에 새기어라. 0.0은 0이 아니니&amp;nbsp;&lt;/div&gt;
&lt;div&gt;실수는 원래부터 결코 정밀하지 않느니라. 부호 없는 것과 있는 것을&amp;nbsp;&lt;/div&gt;
&lt;div&gt;어울리거나 정수끼리 나눌 때에는 늘 조심하여라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
4. 무슨 일을 반복시킬 때에는 처음과 끝에 유의할지어다. 너의 컴퓨터는&amp;nbsp;&lt;/div&gt;
&lt;div&gt;1보다는 0을 좋아 하니라. 배열의 첨자가 그 범위를 넘지 않을지 손 댈&amp;nbsp;&lt;/div&gt;
&lt;div&gt;때마다 따져 보아라. 수식에 1을 더하거나 뺄 때에는 늘 긴장하라. 너&amp;nbsp;&lt;/div&gt;
&lt;div&gt;의 프로그램은 단지 한 번 덜해서 틀리고 한 번 더해서 다운되느니라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
5. 항상 모든 경우의 수를 고려하고 섣불리 생략하지 말지어다. 절대로 일&amp;nbsp;&lt;/div&gt;
&lt;div&gt;어나지 않을 일은 반드시 일어나고, 가장 드물게 일어날 일이 가장 너&amp;nbsp;&lt;/div&gt;
&lt;div&gt;를 괴롭히리라. 그러하니 언제나 논리에 구멍이 없는지 꼼꼼히 따져 보&amp;nbsp;&lt;/div&gt;
&lt;div&gt;고, if를 쓸 때에는 else부터 생각하라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
6. 함수 안에서 매개 변수값은 결코 믿지 말지어다. 지금 그 매개 변수가&amp;nbsp;&lt;/div&gt;
&lt;div&gt;결코 가질 수 없다는 값을 내일부터는 가지리라. 그러하니 매개 변수값&amp;nbsp;&lt;/div&gt;
&lt;div&gt;이 올바름을 항상 검사할지어다. 그렇더라도 처리 속도가 문제가 되는&amp;nbsp;&lt;/div&gt;
&lt;div&gt;경우는 예외이니라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
7. 오류를 알려 주는 기능은 있는 대로 모두 활용할 지어다. 컴파일러의 경&amp;nbsp;&lt;/div&gt;
&lt;div&gt;고는 모두 켜 두어라. 경고는 곧 오류이니라. 오류를 알리는 함수의 결&amp;nbsp;&lt;/div&gt;
&lt;div&gt;과를 확인하지 않는 우를 범하지 말지어다. 모든 파일 입출력과 모든&amp;nbsp;&lt;/div&gt;
&lt;div&gt;메모리 할당은 조만간 실패할 것이라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
8. 한 번의 수정과 재컴파일만으로 연관된 모든 것이 저절로, 강제로 바뀌&amp;nbsp;&lt;/div&gt;
&lt;div&gt;도록 할지어다. 어떠한 것을 수정했을 때에 연관된 것이 따라서 변하지&amp;nbsp;&lt;/div&gt;
&lt;div&gt;않는다면 그것이 곧 벌레이니라. 컴파일러로 하여금 매개 변수 리스트&amp;nbsp;&lt;/div&gt;
&lt;div&gt;를 완전하게 검사하도록 하고, 언젠가 손대야 하거나 따라서 변해야 하&amp;nbsp;&lt;/div&gt;
&lt;div&gt;는 수치는 전부 매크로로 치환하며, 형 정의를 적극 활용하여라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
9. 사용자가 알아서 잘 써 주리라고 희망하지 말지어다. 너의 프로그램은&amp;nbsp;&lt;/div&gt;
&lt;div&gt;항상 바보와 미친놈만이 쓰느니라. 사용 설명서를 쓸 때에는 결코 빠뜨&amp;nbsp;&lt;/div&gt;
&lt;div&gt;리지 말아라. 빠뜨린 만큼 사용자는 너를 괴롭힐 것이니라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
10.매사에 겸손하고 항상 남을 생각할지어다. 가장 완벽한 프로그램일수록&amp;nbsp;&lt;/div&gt;
&lt;div&gt;가장 완벽하게 숨은 벌레가 있느니라. 네가 이 세상 최고의 프로그래머&amp;nbsp;&lt;/div&gt;
&lt;div&gt;라고 떠들며 자만할 때, 옆집 곳간에서는 훨씬 더 뛰어난 것을 묵묵히&amp;nbsp;&lt;/div&gt;
&lt;div&gt;만들고 있느니라. 아무렴 프로그래밍은 혼자 잘나서 할 게 아니니, 너&amp;nbsp;&lt;/div&gt;
&lt;div&gt;로 인해 다른 사람들도 더불어 잘 되면 그얼마나 좋은 것이냐.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
&lt;/div&gt;&lt;div&gt;
이 모든 것을 깨닫고 지키려 애쓰는 자는, 있어도 없어도 되어도 아니&amp;nbsp;&lt;/div&gt;
&lt;div&gt;되어도 늘 평온하리라.&amp;nbsp;&lt;/div&gt;
&lt;div&gt;&lt;br /&gt;
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</description>
			<category>C언어 이야기</category>
			<author>크레이지신 크레이지신</author>
			<guid>http://crazyit.tistory.com/140</guid>
			<comments>http://crazyit.tistory.com/entry/%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%A8%B8-%EC%8B%AD%EA%B3%84%EB%AA%85#entry140comment</comments>
			<pubDate>Fri, 28 Oct 2011 10:59:28 +0900</pubDate>
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