distinguishing eBGP from show ip BGP

Mark Tinka mark.tinka at seacom.mu
Wed Mar 11 18:59:39 UTC 2015


On 11/Mar/15 20:51, Jared Mauch wrote:
>
> 	NTT (2914) tags routes based on if they are a customer, peer
> and with geographic communities based on where the route enters our
> network.  Many networks perform similar techniques and you can find
> details at various websites or this one:
>
> http://www.onesc.net/communities/
>
> You will likely get far more accurate data.

The trick with relying on BGP communities to map routing data is that 
their propagation between AS's is not always guaranteed.

Mark.


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