About Joseph Nelson

Joseph Nelson · 08-07-2013

Hi,We have a setup like the following:e1------e2| \ / || \ / || / \ || / \ || / \ |c1 c2The scenario has the following features:iBGP full mesh between router loopbacksCollapsed core/distribution designEd...

Joseph Nelson · 02-20-2015

So, my two questions are can we not just inject a static default route into OSPF at the MPLS router? Or, learn the secondary route from the other site and it would be a higher metric because it is being learned from a separate area?Yes. Since each s...

Joseph Nelson · 02-20-2015

The reason R3 doesn't tell R4 about the 2.2.2.2/32 network is because R3 choose this path through R4 as the best path. Looking at the BGP table on R3, you see that .3.2 (i.e. R4) is chosen as the best path because it has a shorter AS_PATH value. When...

Joseph Nelson · 12-18-2014

All Network segments or prefix used in BGP enabled router should be advertised in IGP or only the selected prefix needs to be advertised in IBGP /EBGP Is there any specific standard for this.There's no standard that I know of, there might be best-pra...

Joseph Nelson · 12-16-2014

Jon,No that's a good line of reasoning and I had the same thought and had to think about it more myself. Although a "show ip bgp nei <ip> advertised-routes" on CSR(T) should reveal that behavior because you'd see CSR(1)s next hop on advertisement to ...

Joseph Nelson · 12-16-2014

@Jon Marshall"Your router is not strictly advertising a route it learnt from a peer back to that same peer. What it is doing, I think, is advertising a route it learnt from one peer to the other peer and vice versa. The fact that it is actually the s...

Member Since	‎08-02-2013 05:44 PM
Date Last Visited	‎03-01-2018 11:37 AM
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BGP - Conditional Default Origination

So, my two questions are can

The reason R3 doesn't tell R4

All Network segments or

Jon,No that's a good line of

@Jon Marshall"Your router is