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	<title>『无题』</title>
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	<description>I persist, therefore I am!!!</description>
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		<title>常用1寸、2寸照片的大小</title>
		<link>http://www.zhaocs.info/ps-pic-size.html</link>
		<comments>http://www.zhaocs.info/ps-pic-size.html#comments</comments>
		<pubDate>Mon, 30 Jan 2012 14:48:23 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[似水流年]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51881</guid>
		<description><![CDATA[所谓常用1寸2寸照片大小，就是去照相馆直接说要1寸或2寸的照片。如果在网上搜索大小，那么你可能会像我一样郁闷，一堆的信息，答案五花八门，什么大1寸，大2寸什么的。有时两个同样型... ]]></description>
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		<title>CCIE SP—Inter-Provider VPN Option 3 未完</title>
		<link>http://www.zhaocs.info/mpls_vpn_option-3.html</link>
		<comments>http://www.zhaocs.info/mpls_vpn_option-3.html#comments</comments>
		<pubDate>Thu, 22 Dec 2011 09:00:49 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[学习笔记]]></category>
		<category><![CDATA[MPLS]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51336</guid>
		<description><![CDATA[[昨天同事问了下关于Option3的一些问题，好久不看了，有些忘记了，上blog看发现没有option3的笔记，后来在草稿中找到了，呵呵，还没完全整理好，所以没发，虽然没有完全整理好，暂时先release... ]]></description>
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		<title>Voice之03：IP语音信令、媒体信息及DSP</title>
		<link>http://www.zhaocs.info/ipvoice-signle-media-dsp.html</link>
		<comments>http://www.zhaocs.info/ipvoice-signle-media-dsp.html#comments</comments>
		<pubDate>Sun, 11 Dec 2011 15:14:57 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE VOICE]]></category>
		<category><![CDATA[学习笔记]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51855</guid>
		<description><![CDATA[IP语音（Voip）4种常见信令 注意：由于暂时没有抓包分析Ip电话及语音网关间的数据包，所以还不是很理解以下信令，下面的理解仅仅是根据教学视频得来。 1. H.323：它是中继信令，P2P协议，他... ]]></description>
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		<title>Voice之02：数字语音概述</title>
		<link>http://www.zhaocs.info/voice-02-data.html</link>
		<comments>http://www.zhaocs.info/voice-02-data.html#comments</comments>
		<pubDate>Thu, 24 Nov 2011 06:06:03 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE VOICE]]></category>
		<category><![CDATA[Digital Voice]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51819</guid>
		<description><![CDATA[数字语音中，常见的端口为T1和E1（E1的相关内容可以查看这里），在T1/E1中又分为VWIC/VIC，两种的主要区别就是一个能即跑语音又能跑数据，另一个只能跑语音。另外对于这两种卡，也有不同版... ]]></description>
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		<title>Voice之01：传统语音概述</title>
		<link>http://www.zhaocs.info/voice-01-legacy.html</link>
		<comments>http://www.zhaocs.info/voice-01-legacy.html#comments</comments>
		<pubDate>Wed, 23 Nov 2011 02:20:58 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE VOICE]]></category>
		<category><![CDATA[Legacy Voice]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51809</guid>
		<description><![CDATA[传统语音称为legacy，也叫traditional，它属于模拟线路。模拟线路中只能传输1路话音，即使一根线由好几根芯组成，如E&#38;M线（8芯，跑1路）。 模拟线路中的端口 FX端口：分FXO和FXS，S代表Station... ]]></description>
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		<title>SEC之01：路由器常用的安全Feature</title>
		<link>http://www.zhaocs.info/router-sec-feature.html</link>
		<comments>http://www.zhaocs.info/router-sec-feature.html#comments</comments>
		<pubDate>Wed, 03 Aug 2011 16:27:41 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE SEC]]></category>
		<category><![CDATA[SEC feature]]></category>

		<guid isPermaLink="false">http://www.zhaocs.info/?p=51797</guid>
		<description><![CDATA[Secret Password 如果同时有secret和普通的password，普通的pass没有效果，唯一的效果就是向后兼容，不过意义不大，所以一般都用secret password，不过注意在应用Chap时，它只支持明文密码，所以不适合... ]]></description>
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		<title>TS for 6748 output drop</title>
		<link>http://www.zhaocs.info/output_drop_troubleshooting.html</link>
		<comments>http://www.zhaocs.info/output_drop_troubleshooting.html#comments</comments>
		<pubDate>Mon, 11 Jul 2011 16:13:15 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[When you found have output queue drop for CEF720 LC, you can check follow step: 1. which port have issue, whether at same ASIC. 2. check whether have other error or have qos on issue port. 3. whether hw queue is full. Follow is TS example: Problem descri... ]]></description>
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		<title>OSPF Alarm for %OSPF-4-FLOOD_WAR</title>
		<link>http://www.zhaocs.info/ospf-flood-war.html</link>
		<comments>http://www.zhaocs.info/ospf-flood-war.html#comments</comments>
		<pubDate>Tue, 15 Feb 2011 18:00:44 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[Classical CASE]]></category>
		<category><![CDATA[学习笔记]]></category>
		<category><![CDATA[OSPF]]></category>

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		<description><![CDATA[根据下面的logging复习各个知识点 1w0d: OSPF: DR/BDR election on TenGigabitEthernet6/4 1w0d: OSPF: Elect BDR 0.0.0.0 1w0d: OSPF: Elect DR 7.7.7.7 1w0d: DR: 7.7.7.7 (Id) BDR: none 1w0d: OSPF: Rcv DBD from 8.8.8.8 on TenGigabitEthernet6/4 seq 0x2... ]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Layer 3 层网络中的重定向</title>
		<link>http://www.zhaocs.info/icmp-redirect-l3.html</link>
		<comments>http://www.zhaocs.info/icmp-redirect-l3.html#comments</comments>
		<pubDate>Mon, 14 Feb 2011 15:57:41 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[Classical CASE]]></category>
		<category><![CDATA[学习笔记]]></category>
		<category><![CDATA[ICMP]]></category>

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		<description><![CDATA[问题： CPU Peak 解决： 设备从某端口收到的数据包又根据路由从此端口发送出去，这样导致了重定向的产生，并且关掉重定向后，cpu恢复正常。那么到底是什么数据包导致cpu高呢？是cpu发的icmp... ]]></description>
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		<title>EIGRP Troubleshooting Summary</title>
		<link>http://www.zhaocs.info/eigrp-troubleshooting-summary.html</link>
		<comments>http://www.zhaocs.info/eigrp-troubleshooting-summary.html#comments</comments>
		<pubDate>Mon, 07 Feb 2011 07:23:22 +0000</pubDate>
		<dc:creator>frank</dc:creator>
				<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[学习笔记]]></category>
		<category><![CDATA[EIGRP]]></category>

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		<description><![CDATA[注：此处只介绍一些比较重要的内容，更细节的请看TCP/IP卷一，EIGRP的相关章节。 邻居关系 1. hello packets EIGRP 的hello是组播形式的，地址是224.0.0.10（0100.5200.000a）；在nbma网络环境中hello interval是... ]]></description>
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