[c-nsp] BGP Cease notifications with Graceful Restart

John Neiberger jneiberger at gmail.com
Wed May 22 13:42:13 EDT 2013


That's an excellent point. The 7600 in our scenario does not have dual RPs.
The Cisco BU is involved, so I will mention this to them.

Thanks!
John


On Wed, May 22, 2013 at 12:24 AM, Mikael Abrahamsson <swmike at swm.pp.se>wrote:

> On Tue, 21 May 2013, John Neiberger wrote:
>
>  the 7600, which the CRS immediately recognized, but the CRS continued to
>> use those BGP routes until the neighbor's graceful restart timer expired.
>>
>
> It's my experience that Cisco has a GR implemention that leaves some to be
> desired on a lot of platforms. I have escalated this several times to no
> avail.
>
> A 7600 will advertise itself as GR capable even if there is a single RP,
> and the BU didn't feel the need to implmement "bgp graceful-restart
> helper-only" even after several requests.
>
> So in our network, 7600 have no graceful restart configured. Please talk
> to your account team and ask them to talk to the BU and get them to fix
> this.
>
> Desired behaviour:
>
> On a dual RP system, advertise yourself as GR capable.
> On a single RP system, only do GR "helper".
>
> Either auto detect this or make it configurable.
>
> --
> Mikael Abrahamsson    email: swmike at swm.pp.se
>


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