[c-nsp] BGP Convergance

Chintan Shah networking.stuff at googlemail.com
Thu Oct 16 15:22:28 EDT 2008


Hi Guys,

I havd setup like this :

IPV4 :

PE ---P(RR) ------P(RR)-----PE

P is core router of each country and act as RR for IPV4.

VPNV4 :

PE---P----P---PE
!                   !
!                   !
RR              RR

VPNV4 peering from each PE is with seperate RR for MP-BGP....

Now question is , If I have BGP NHT enable on all P/VRR/PE I will have BGP
convergance IGP + 5 sec NHT default if any remote PE fails....
But If I don't have NHT enable across all and has partial, Can Advertisement
Interval be useful ? Assume RR are having BGP NHT enable but not some of PE.

REgards,
Chintan


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