[j-nsp] BGP Peering Policies - Best Practices

[Mark Tinka]

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.