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	<title>martinrenshaw.com</title>
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	<link>http://blog.martinrenshaw.com</link>
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		<title>BGP &#8211; Load Sharing, Multihomed to Two ISPs Through Multiple Local Routers</title>
		<link>http://blog.martinrenshaw.com/?p=53</link>
		<comments>http://blog.martinrenshaw.com/?p=53#comments</comments>
		<pubDate>Sat, 31 Mar 2012 11:20:21 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[2012]]></category>
		<category><![CDATA[BGP]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=53</guid>
		<description><![CDATA[This is from a session I have been doing. BGP, how to load share while multihomed to two ISPs through multiple routers. &#160; All of the BGP peering have been setup and are working. Traffic that is destined to AS22 goes through R9 (ISP A) link On R9 I need to add a as-path list to identify which traffic to match in a route map, the commands used were as follows: Create an as-path list; ip as-path access-list 1 permit ^22$ &#160; Then create a route-map called AS-22-INCOMING and match updates using as-path list 1 and set the local preference<a href="http://blog.martinrenshaw.com/?p=53"> <br /><br /> (More)…</a>]]></description>
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		<title>Implement the Cisco IOS IPS feature set using SDM</title>
		<link>http://blog.martinrenshaw.com/?p=101</link>
		<comments>http://blog.martinrenshaw.com/?p=101#comments</comments>
		<pubDate>Sat, 31 Mar 2012 10:03:07 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[2012]]></category>
		<category><![CDATA[HIPS]]></category>
		<category><![CDATA[IDS]]></category>
		<category><![CDATA[IOS IPS]]></category>
		<category><![CDATA[IPS]]></category>
		<category><![CDATA[NIPS]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=101</guid>
		<description><![CDATA[In this post I will be covering the following topics from the CCNA Security exam topics blue print. • Define network based vs. host based intrusion detection and prevention • Explain IPS technologies, attack responses, and monitoring options • Enable and verify Cisco IOS IPS operations using SDM &#160; Network vs. Host Based Intrusion Detection &#38; Prevention &#160; What is IDS &#38; IPS? Well the simple explanation is &#8220;Intrusion Detection&#8221; has a copy of the traffic and isn&#8217;t in the traffic path where are &#8220;Intrusion Prevention&#8221; is in the traffic path. This means that IPS reacts to stop malicious traffic<a href="http://blog.martinrenshaw.com/?p=101"> <br /><br /> (More)…</a>]]></description>
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		<title>EIGRP &#8211; Advertised Distance &amp; Reported Distance</title>
		<link>http://blog.martinrenshaw.com/?p=78</link>
		<comments>http://blog.martinrenshaw.com/?p=78#comments</comments>
		<pubDate>Sat, 31 Mar 2012 09:51:22 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[2012]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=78</guid>
		<description><![CDATA[In this scenario I&#8217;m looking at the Advertised &#38; Feasible distance for the network 10.1.25.0/24]]></description>
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		<title>LAB :: Testing PRE &amp; CODE</title>
		<link>http://blog.martinrenshaw.com/?p=42</link>
		<comments>http://blog.martinrenshaw.com/?p=42#comments</comments>
		<pubDate>Fri, 06 Jan 2012 14:43:31 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[BGP]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=42</guid>
		<description><![CDATA[This post is to test that pre is showing router config in the way that I want it to. &#160; This Section is &#8220;pre&#8221; R18#sh run &#124; sec router bgp router bgp 20 no synchronization bgp log-neighbor-changes bgp confederation identifier 300 bgp confederation peers 10 network 18.18.18.0 mask 255.255.255.0 neighbor 10.17.18.17 remote-as 20 neighbor 10.17.18.17 next-hop-self neighbor 10.18.19.19 remote-as 400 no auto-summary &#160; This section is &#8220;code&#8221; R18#sh run &#124; sec router bgp router bgp 20 no synchronization bgp log-neighbor-changes bgp confederation identifier 300 bgp confederation peers 10 network 18.18.18.0 mask 255.255.255.0 neighbor 10.17.18.17 remote-as 20 neighbor 10.17.18.17 next-hop-self neighbor<a href="http://blog.martinrenshaw.com/?p=42"> <br /><br /> (More)…</a>]]></description>
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		<title>&#8220;If Crocs Ate Old-Socs, Old-Crocs Expire&#8221;</title>
		<link>http://blog.martinrenshaw.com/?p=38</link>
		<comments>http://blog.martinrenshaw.com/?p=38#comments</comments>
		<pubDate>Fri, 06 Jan 2012 09:48:57 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[mnemonic]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=38</guid>
		<description><![CDATA[A mnemonic to help me remember the BGP finite state machine and a doodle to jazz it up. &#8220;If Crocs Ate Old-Socs, Old-Crocs Expire&#8221; I = idle C = Connect A = Active OS = OpenSent OC = OpenConnect E = Established http://en.wikipedia.org/wiki/Border_Gateway_Protocol#Finite-state_machine &#160; BGP Peering state machine Idle &#8211; Waiting to start the 3-way handshake. Connect &#8211; Waiting to complete the 3-way handshake. Active &#8211; 3-way handshake failed, try again. Open Sent &#8211; 3-way handshake complete, OPEN message sent. Open confirm &#8211; OPEN message received, parameters agreed upon. Established - Peering complete. R1#sh log &#124; i went from *Nov 8 10:06:32.205:<a href="http://blog.martinrenshaw.com/?p=38"> <br /><br /> (More)…</a>]]></description>
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		<title>bgp-best-path-mnemonic</title>
		<link>http://blog.martinrenshaw.com/?p=29</link>
		<comments>http://blog.martinrenshaw.com/?p=29#comments</comments>
		<pubDate>Thu, 05 Jan 2012 15:08:05 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[2012]]></category>
		<category><![CDATA[BGP]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=29</guid>
		<description><![CDATA[I didn&#8217;t create this but I think its great, thank you Richard Bannister @ http://rbcciequest.wordpress.com He created this very useful mnemonic for remembering the BGP best path Selection process. &#160; “We Love Oranges AS Oranges Mean Pure Refreshment” &#160; &#160; “We Love Oranges AS Oranges Mean Pure Refreshment” W Weight (highest) L Local Pref (highest) O Originate (local) A AS Path (shortest) O Origin (igp &#62; egp &#62; incomplete) M MED (lowest) P Paths (external &#62; internal) R RID (lowest) &#160; &#8220;We Love Oranges AS Oranges Mean Pure Refreshment&#8221;]]></description>
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		<title>LAB :: Basic BGP configuration</title>
		<link>http://blog.martinrenshaw.com/?p=11</link>
		<comments>http://blog.martinrenshaw.com/?p=11#comments</comments>
		<pubDate>Thu, 05 Jan 2012 11:54:28 +0000</pubDate>
		<dc:creator>Martin</dc:creator>
				<category><![CDATA[2012]]></category>

		<guid isPermaLink="false">http://blog.martinrenshaw.com/?p=11</guid>
		<description><![CDATA[I have been building a virtualised BGP router lab in order to study for the Cisco CCIP BGP exam. I have created quite a large topology consisting of 20 routers. You can find the Topology buy clicking on the &#8220;BGP LAB Topology&#8221; page on the menu at the top page. So far I have configured all of the interface IP addresses, the loopback 0 IP address, frame-relay in AS3 with OSPF as the IGP, BGP in all the AS&#8217;s, AS3 has two confederations 345 &#38; 67 and AS300 has two confederations 10 &#38; 20 and each router is advertising its<a href="http://blog.martinrenshaw.com/?p=11"> <br /><br /> (More)…</a>]]></description>
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