[c-nsp] BGP add-path with MPBGP/VPNv4

Pshem Kowalczyk pshem.k at gmail.com
Thu Dec 5 14:55:11 EST 2013


Hi,

Do you use the same RD for the default route on both of those originating PEs?

kind regards
Pshem


On 6 December 2013 07:09, Andrew K. <andrew at vianet.ca> wrote:
> I have a VRF configuration with MP-BGP/MPLS.
>
> In vrf A there are two default gateways being advertised to the
> route-reflectors.
>
> Half of the PE devices in VRF A need to send traffic out one gateway and the
> other half out the other, but the route-reflectors are only sending one best
> route to the PE.
>
> Digging up info on add-path, it appears to have very limited support, I can
> not find support for it using the feature set navigator for anything other
> then the ASR1000, 7600, 3900 and IOS XR.
>
> Is this feature supported by the 7200?
>
> Can it be used in a VPNv4/VRF environment?
>
> Should I just be doing BGP Multipath Load Sharing instead and use a
> route-map to set the weight of the default route for each PE device?
>
> Thanks in advance for your time.
> Andrew.
>
>
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