On 28 October 2014 14:17, Ivan Madolev <[email protected]> wrote:
> Hi James,
> Just some ideas here:
> In MPLS Option B and ASBR peering we exchange bgp vpnv4 labels to create LSP
> all the way .So we need to disable the bgp label filtering on ASBRs -On XR :
> router bgp xxxx-->add-family vpnv4 uni--retain route-target all. But i
> believe that’s not the case here as you configured the vrf on the XR.
> Another thing with XR and ASBR peering is that in IOS under the interface
> connected to the peer on the other AS mpls bgp forwarding is added
> automatically as there is /32 entry on CEF .Thats not the case in XR. So for
> the labels to be exchanged b/n the ASBR  we need to manually add /32 entry
> for the interface connected to the ASBR peer from the other AS!!:
> router static-->add-family ipv4 uni-->20.0.1.1/32 int gi0/0/0/0.1/for
> example/.I came across the issue .Hope this helps.
> Ivan

Hi Ivan,

Thanks for the advice, I was aware of those points but it's good to
raise them, we all forget things from time to time and they have
caught me out in the past :)

Cheers,
James.

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