Re: [j-nsp] BGP Peering Policies - Best Practices

Wed, 22 May 2019 04:58:00 -0700 


On 22/May/19 13:30, Niall Donaghy wrote:

> How about:
>
>   uRPF causing discarded packets in a multi-VRF environment, eg:
>     - Internet VRF, Private VRF #1, Private VRF #2.
>     - Customers connect to all and advertise same prefixes to all.
>     - Peers connect to perhaps Internet and a Private VRF and advertise same 
> prefixes to all.
>     - Private VRFs reach Internet VRF via default routes over logical tunnels 
> (BGP).
>     - uRPF loose causes discards for some asymmetric traffic flows crossing 
> multiple VRFs.
>
> We've hit this problem.

That sounds like quite the spaghetti.

How have you resolved it?

Mark.
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