[c-nsp] Internal MP-BGP

[Jason Lixfeld]

So asr2 is pinging from it's global table to a loopback inside a vrf on asr1 (or something like that)?

Sounds like you may need some static routes in there to tell the vrf table how to find the global address, and vice-verse.

--

Sent from my mobile device.

On 2011-02-13, at 7:26 AM, marc williams <marcuk at me.com> wrote:

> setup:
> 
> asr1-----asr2
> 
> both act as PE routers doing back to back BGP/VRF to customers. they also act a P routers facing each other.
> Currently have an ibgp session per vrf between asr1-asr2 to learn external routes between asr's.
> 
> Moving to MP-BGP between asr1/2. mpls and ldp session active between asr1/2 via a vlan/connected /30.  
> BGP VPNv4 setup and active with next hop self and update source looback0.
> show ip bgp vpnv4 vrfname shows the external routes from asr1 are being learnt on asr2.
> 
> problem i have is asr2 cannot ping asr1 loopback within a vrf.  so packets to external asr1 routes get blackholed.
> 
> on asr2:
> show ip bgp vpnv4 vrf name shows the route from asr1 is learnt and is preferred.
> show ip route vrf name shows the route correctly with next hop of loopback of asr1
> show ip cef vrf name shows the next of of the route is the connected /30
> that connected /30 isnt in the cef vrf table.
> 
> My understanding is that shouldn't be an issue as we should be label switching.
> Any ideas?
> 
> --
> Marc
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