[c-nsp] BGP doesn't advertise prefixes

Phil Mayers p.mayers at imperial.ac.uk
Thu Apr 30 10:09:07 EDT 2015


On 30/04/15 15:04, Samol wrote:
> Hi Phil,
>
> Sorry missed your question. Here is the output :
>
> rtr#sh ip bgp 123.0.73.0 255.255.255.0
> BGP routing table entry for 123.0.73.0/24 <http://123.0.73.0/24>,
> version 411556
> Paths: (1 available, best #1, table Default-IP-Routing-Table)
> Multipath: eBGP
>    Advertised to update-groups:
>       3          4          10
>    Local
>      0.0.0.0 from 0.0.0.0 (x.x.x.x)
>        Origin IGP, metric 0, localpref 100, weight 32768, valid,
> sourced, local, best
>        Community: 123:123 65501:24115


Do the update-groups mentioned (3, 4, 10) contain the peers you expect 
it to be advertised to? See:

sh bgp all update-group X




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