CCNP Recertification

Posted on Friday, 16th September 2005 by

One FAQ I see on CCIE lab lists is How do I load balance two paths in EIGRP without using the variance command? It’s an interesting problem, because the solution illustrates how EIGRP works. First of all, the variance command assigns a multiplier that says when two routes are “close enough” to load balance. Normally, [...]

Posted in Routing | Comments (5)

Posted on Tuesday, 13th September 2005 by sean

Scaling Internal BGP can be a challenge. Every iBGP router must have a peer with every other iBGP router within an AS. Why? BGP uses the AS-PATH attribute for loop prevention. However, the AS is only prepended between eBGP neighbours, so it will never appear in iBGP. However, this means that you must configure n-1 [...]

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Posted on Friday, 2nd September 2005 by sean

Just finished an online lab through Cisco’s Learning Connection called “Advanced BGP Design with BGP Community Attribute – Challenge Lab – LabOps – IP – Accelerate (SE)” The CLC has a lot of labs, I look forward to doing more Start here: http://forums.cisco.com/eforum/servlet/PrepCenter?page=BigSnippet.PrepCenter.PrepCenter_freeTrial_learning_connection In this lab the object was to learn communities and route-maps. Basically [...]

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