[quagga-dev 11972] Re: BGP graceful restart and FPM

J Yu jackiesyu at hotmail.com
Fri Jan 23 16:28:33 GMT 2015


Thanks a lot for the response.

Given that, how could the graceful restart be handled in the forwarding 
plane? Any pointers/ideas?

Thanks!

-----Original Message----- 
From: Paul Jakma
Sent: Friday, January 23, 2015 7:54 AM
To: J Yu
Cc: quagga-dev at lists.quagga.net
Subject: [quagga-dev 11971] Re: BGP graceful restart and FPM

On Tue, 20 Jan 2015, J Yu wrote:

> Need some help here --

> I am working on a project that uses FPM to receive the routing table 
> update from various protocols, say BGP. In a BGP graceful restart 
> scenario, there would be an "End-of-RIB" marker being received by the BGP 
> protocol and how does that correlate to the FPM messages that I will be 
> receiving? i.e., when would I know as plugged into the FPM for data plane 
> forwarding table update to know that I could reconcile with the forwarding 
> table?

I don't know the details of the FPM interface, however, as its coming from
zebra I don't think it has any knowledge of BGP EoRs in it.

The messages from zebra, either via ZServ or FPM, are not delayed or
synchronised with routing protocol daemon events/states.

regards,
-- 
Paul Jakma paul at jakma.org @pjakma Key ID: 64A2FF6A
Fortune:
When you dial a wrong number you never get a busy signal.

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