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	<title>A Networker Blog</title>
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	<link>http://anetworkerblog.com</link>
	<description>Victor Cappuccio</description>
	<lastBuildDate>Sun, 12 Jul 2009 18:44:04 +0000</lastBuildDate>
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		<title>A Networker Blog</title>
		<link>http://anetworkerblog.com</link>
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			<item>
		<title>Object groups</title>
		<link>http://anetworkerblog.com/2009/07/12/obgroup/</link>
		<comments>http://anetworkerblog.com/2009/07/12/obgroup/#comments</comments>
		<pubDate>Sun, 12 Jul 2009 16:12:22 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=1000</guid>
		<description><![CDATA[An ACL (Access-list), can allow clients, to access particular server for a specific service,  as the number of server increases, the number of lines in an ACL increases as well.
let see how to implement security policies, with access-list and how can we simplify the Access-list by the use of object grouping. (by default FW ACL [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=1000&subd=vcappuccio&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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	</item>
		<item>
		<title>Main(6 messages) or aggressive (3 messages) Mode</title>
		<link>http://anetworkerblog.com/2009/06/28/mainaggressive-mode/</link>
		<comments>http://anetworkerblog.com/2009/06/28/mainaggressive-mode/#comments</comments>
		<pubDate>Sun, 28 Jun 2009 19:09:53 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>
		<category><![CDATA[Security]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=967</guid>
		<description><![CDATA[IKE Phases
Phase 1:
* Authenticate the peers
* Negotiate a bidirectional SA
* Main mode (6 messages)  or aggressive mode (3 messages)
** show crypto isakmp sa
Phase 1.5:
* Xauth (User Authentication)
* Mode config (Push Config)
Phase 2:
* IPsec SAs/SPIs
* Quick mode
show crypto ipsec sa
Resume of the IKE Phases
Phase 1:
* Authenticate the peers
* Negotiate a bidirectional SA
* Main mode (6 messages) [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=967&subd=vcappuccio&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Main Mode</media:title>
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			<media:title type="html">Aggresive</media:title>
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		<item>
		<title>VRF &#8211; VPN4 Troubleshooting</title>
		<link>http://anetworkerblog.com/2009/06/22/vrf-vpn4-troubleshooting/</link>
		<comments>http://anetworkerblog.com/2009/06/22/vrf-vpn4-troubleshooting/#comments</comments>
		<pubDate>Mon, 22 Jun 2009 19:11:14 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/2009/06/22/vrf-vpn4-troubleshooting/</guid>
		<description><![CDATA[Before you start MPLS VPN troubleshooting, you should ask the following questions:
1.- Is Cisco Express Forwarding (CEF) enabled on all routers in the transit path between the provider edge (PE) routers?
You can verify the validity of the CEF entry and the associated label stack with the show ip cef vrf vrf-name ip-prefix detail command. The [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=966&subd=vcappuccio&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://anetworkerblog.com/2009/06/22/vrf-vpn4-troubleshooting/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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		<item>
		<title>Multicast RPF &#8211; Basis</title>
		<link>http://anetworkerblog.com/2009/06/21/multicast-rpf-basis/</link>
		<comments>http://anetworkerblog.com/2009/06/21/multicast-rpf-basis/#comments</comments>
		<pubDate>Sun, 21 Jun 2009 11:13:22 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Multicast]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/2009/06/21/multicast-rpf-basis/</guid>
		<description><![CDATA[We all know how unicast routing works, when the router receives the packet, the decision on how to forward the packet is made on the destination address, in Multicast the routing decision where to forward the multicast depends on where the packet came from. So the routers much know the origin of the packet, instead [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=956&subd=vcappuccio&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://anetworkerblog.com/2009/06/21/multicast-rpf-basis/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">A</media:title>
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			<media:title type="html">E</media:title>
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			<media:title type="html">F</media:title>
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			<media:title type="html">G</media:title>
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		<item>
		<title>QoS Policy Propagation on BGP (QPPB)</title>
		<link>http://anetworkerblog.com/2009/06/20/qos-policy-propagation-on-bgp-qppb/</link>
		<comments>http://anetworkerblog.com/2009/06/20/qos-policy-propagation-on-bgp-qppb/#comments</comments>
		<pubDate>Sat, 20 Jun 2009 14:46:44 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=941</guid>
		<description><![CDATA[QPPB, allows packets to be classified based on access lists, BGP community lists, and BGP autonomous system (AS) paths.
The supported classification policies include IP Precedence setting and the ability to tag the packet with a QoS class identifier internal to the router. After a packet has been classified, you can use other QoS features, such [...]<br /><a href='http://anetworkerblog.com/2009/06/20/qos-policy-propagation-on-bgp-qppb/'><img width='160' height='120' src='http://cdn.videos.wordpress.com/z2SK2uJF/cbgpq.thumbnail.jpg' /> </a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=941&subd=vcappuccio&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://anetworkerblog.com/2009/06/20/qos-policy-propagation-on-bgp-qppb/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Voice QOS Design Notes:</title>
		<link>http://anetworkerblog.com/2009/06/14/voice-qos-design-notes/</link>
		<comments>http://anetworkerblog.com/2009/06/14/voice-qos-design-notes/#comments</comments>
		<pubDate>Sun, 14 Jun 2009 18:25:18 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/2009/06/14/voice-qos-design-notes/</guid>
		<description><![CDATA[with LLQ the entrance criteria to a class can be as granular as you like because you define it by an ACL. You are not limited, as with IP RTP priority, to a simple UDP port range. If the port range feature did not get changed
Voice QOS Design Considerations Notes:
General Considerations

Do not use VoIP on [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=936&subd=vcappuccio&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://anetworkerblog.com/2009/06/14/voice-qos-design-notes/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
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		<item>
		<title>ethertypes on doccd?</title>
		<link>http://anetworkerblog.com/2009/06/14/ethertypes-on-doccd/</link>
		<comments>http://anetworkerblog.com/2009/06/14/ethertypes-on-doccd/#comments</comments>
		<pubDate>Sun, 14 Jun 2009 18:18:05 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/2009/06/14/ethertypes-on-doccd/</guid>
		<description><![CDATA[Sending a test email&#8230;
&#8212;&#8212;&#8212;- Forwarded message &#8212;&#8212;&#8212;-
From: Victor Cappuccio &#60;vcappuccio@gmail.com&#62;
Date: Sun, Jun 14, 2009 at 9:16 PM
Subject: Re: ethertypes on doccd?
To: Wouter Prins &#60;wp@null0.nl&#62;
Cc: Cisco certification &#60;ccielab@groupstudy.com&#62;
Hello Wouter!!
I am not sure if this helps, since the doccd, is not the same, as like in old days 
but here it goes..
IOS -&#62;12.3 Family &#8211;&#62;12.3 Mainline &#8212;&#62; [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=933&subd=vcappuccio&ref=&feed=1" />]]></description>
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		<slash:comments>2</slash:comments>
	
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		<item>
		<title>BGP SoO</title>
		<link>http://anetworkerblog.com/2009/06/07/bgp-soo/</link>
		<comments>http://anetworkerblog.com/2009/06/07/bgp-soo/#comments</comments>
		<pubDate>Sun, 07 Jun 2009 16:43:39 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=904</guid>
		<description><![CDATA[<br /><a href='http://anetworkerblog.com/2009/06/07/bgp-soo/'><img width='160' height='120' src='http://cdn.videos.wordpress.com/G9bLMSYx/movie_0002.thumbnail.jpg' /> </a><br /><a href='http://anetworkerblog.com/2009/06/07/bgp-soo/'><img width='160' height='120' src='http://cdn.videos.wordpress.com/G9bLMSYx/movie_0002.thumbnail.jpg' /> </a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=904&subd=vcappuccio&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
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			<media:title type="html">ASSoO</media:title>
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		<item>
		<title>BGP.- Filter Tools Summary</title>
		<link>http://anetworkerblog.com/2009/03/13/fts/</link>
		<comments>http://anetworkerblog.com/2009/03/13/fts/#comments</comments>
		<pubDate>Fri, 13 Mar 2009 22:42:25 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=894</guid>
		<description><![CDATA[Prefix-lists and filter-lists, both in and out, filter routes and discard those that are not permitted.
Weight setting is applicable only on incoming routes because a router never propagates the weight attribute to its neighbors.
Route-maps can be filters that discard routes but can also be used to modify and set various attributes on both incoming and [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=894&subd=vcappuccio&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://anetworkerblog.com/2009/03/13/fts/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
	
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			<media:title type="html">Filtering Tool Summary</media:title>
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		<item>
		<title>Basic BGP .- Part 3 &#8211; AS Path Prepending.</title>
		<link>http://anetworkerblog.com/2009/03/13/basic-bgp-part-3-as-path-prepending/</link>
		<comments>http://anetworkerblog.com/2009/03/13/basic-bgp-part-3-as-path-prepending/#comments</comments>
		<pubDate>Fri, 13 Mar 2009 18:35:10 +0000</pubDate>
		<dc:creator>vcappuccio</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[Cisco]]></category>

		<guid isPermaLink="false">http://anetworkerblog.com/?p=883</guid>
		<description><![CDATA[When connections to multiple providers are required it is important that Border Gateway Protocol (BGP) select the optimum route for traffic to use. The optimum, or best, route may not be what the network designer intended based on design criteria, administrative policies, or corporate mandate. Fortunately, BGP provides many tools for administrators to influence route [...]<br /><a href='http://anetworkerblog.com/2009/03/13/basic-bgp-part-3-as-path-prepending/'><img width='160' height='120' src='http://cdn.videos.wordpress.com/jnxnV72f/pathprep.thumbnail.jpg' /> </a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=anetworkerblog.com&blog=1588332&post=883&subd=vcappuccio&ref=&feed=1" />]]></description>
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		<slash:comments>0</slash:comments>
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