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	<title>debugall &#187; PE-CE Routing</title>
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		<title>6PE &#8211; IPv6 over MPLS</title>
		<link>http://www.debugall.co.uk/2009/02/28/6pe-ipv6-over-mpls/</link>
		<comments>http://www.debugall.co.uk/2009/02/28/6pe-ipv6-over-mpls/#comments</comments>
		<pubDate>Sat, 28 Feb 2009 06:43:59 +0000</pubDate>
		<dc:creator>Zarar</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[iPhone]]></category>
		<category><![CDATA[iPod]]></category>
		<category><![CDATA[IPv6]]></category>
		<category><![CDATA[MPLS]]></category>
		<category><![CDATA[PE-CE Routing]]></category>

		<guid isPermaLink="false">http://www.debugall.co.uk/?p=715</guid>
		<description><![CDATA[6PE is a really cool feature which allows IPv6 islands to communicate with each other over an MPLS/IPv4 core network.  IPv4 addresses space is fast running out so familiarising yourself with IPv6 is probably a good idea. Consider the toplogy below. Service providers can leverage their MPLS networks to deliver IPv6 solutions without having to [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>OSPF Sham-Links</title>
		<link>http://www.debugall.co.uk/2008/11/18/ospf-sham-links/</link>
		<comments>http://www.debugall.co.uk/2008/11/18/ospf-sham-links/#comments</comments>
		<pubDate>Tue, 18 Nov 2008 13:05:41 +0000</pubDate>
		<dc:creator>zismail</dc:creator>
				<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[MPLS VPN]]></category>
		<category><![CDATA[OSPF]]></category>
		<category><![CDATA[PE-CE Routing]]></category>

		<guid isPermaLink="false">http://www.debugall.co.uk/?p=179</guid>
		<description><![CDATA[OSPF sham-links give the technical administrator an option to use either the back door link or the WAN link by presenting Type 1 LSAs over the WAN cloud.  CEs then have Type 1 LSAs via 2 routes and as they are the same type of LSA you can manipulate the cost to either use the [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>MPLS VPN &#8211; using Site of Origin (SOO)</title>
		<link>http://www.debugall.co.uk/2008/11/18/mpls-vpn-using-site-of-origin-soo/</link>
		<comments>http://www.debugall.co.uk/2008/11/18/mpls-vpn-using-site-of-origin-soo/#comments</comments>
		<pubDate>Tue, 18 Nov 2008 13:02:00 +0000</pubDate>
		<dc:creator>zismail</dc:creator>
				<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[MPLS VPN]]></category>
		<category><![CDATA[PE-CE Routing]]></category>
		<category><![CDATA[BGP]]></category>
		<category><![CDATA[SOO]]></category>

		<guid isPermaLink="false">http://www.debugall.co.uk/?p=173</guid>
		<description><![CDATA[When an MPLS VPN customer is dual homed, SOO can be used to prevent routing loops as well as sub optimal routing. Toplology as below. I&#8217;ve used EIGRP between CE1 and CE3 to demonstrate the sub optimal routing.(its only suboptimal if you want to route traffic between sites using the backdoor link, which isnt always [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>MPLS VPN using BGP as the PE-CE Routing Protocol</title>
		<link>http://www.debugall.co.uk/2008/11/17/mpls-vpn-using-bgp-as-the-pe-ce-routing-protocol/</link>
		<comments>http://www.debugall.co.uk/2008/11/17/mpls-vpn-using-bgp-as-the-pe-ce-routing-protocol/#comments</comments>
		<pubDate>Mon, 17 Nov 2008 13:38:32 +0000</pubDate>
		<dc:creator>zismail</dc:creator>
				<category><![CDATA[BGP]]></category>
		<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[MPLS VPN]]></category>
		<category><![CDATA[PE-CE Routing]]></category>

		<guid isPermaLink="false">http://www.debugall.co.uk/?p=165</guid>
		<description><![CDATA[Topology is as below.  ]]></description>
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		<slash:comments>1</slash:comments>
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		<title>MPLS VPN using EIGRP as the PE-CE routing Protocol</title>
		<link>http://www.debugall.co.uk/2008/11/17/mpls-vpn-using-eigrp-as-the-pe-ce-routing-protocol/</link>
		<comments>http://www.debugall.co.uk/2008/11/17/mpls-vpn-using-eigrp-as-the-pe-ce-routing-protocol/#comments</comments>
		<pubDate>Mon, 17 Nov 2008 13:03:45 +0000</pubDate>
		<dc:creator>zismail</dc:creator>
				<category><![CDATA[CCIE SP]]></category>
		<category><![CDATA[EIGRP]]></category>
		<category><![CDATA[MPLS VPN]]></category>
		<category><![CDATA[PE-CE Routing]]></category>

		<guid isPermaLink="false">http://www.debugall.co.uk/?p=160</guid>
		<description><![CDATA[Topology is as below.]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>PE-CE Routing MPLS VPN</title>
		<link>http://www.debugall.co.uk/2008/05/23/pe-ce-routing-mpls-vpn/</link>
		<comments>http://www.debugall.co.uk/2008/05/23/pe-ce-routing-mpls-vpn/#comments</comments>
		<pubDate>Fri, 23 May 2008 09:16:22 +0000</pubDate>
		<dc:creator>zismail</dc:creator>
				<category><![CDATA[PE-CE Routing]]></category>
		<category><![CDATA[CCIE]]></category>
		<category><![CDATA[CCIP]]></category>
		<category><![CDATA[MPLS]]></category>
		<category><![CDATA[Service Provider]]></category>

		<guid isPermaLink="false">http://debugall.co.uk/?p=8</guid>
		<description><![CDATA[PE-CE Routing OSPF &#8211; MPLS Introduction If you are serious about using OSPF as your PE to CE protocol on the edge of the MPLS cloud then you should familiarise yourself with RFC 4577 (OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks). MPLS &#8211; PE-CE routing scenario Starting from the left [...]]]></description>
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