BGP and HSRP

Unanswered Question
Sep 2nd, 2009


HI,


In our back bone router we are running an BGP session with the router 7206 NPEg2

but since the

5 minute input rate 327763000 bits/sec, 624238 packets/sec

5 minute output rate 239875000 bits/sec, 591271 packets/sec

is approximately near to 350Mb


so now we have put an taken an secondary BGP session and try to push some traffic in other router


our problem whether we can run IBGP and HSRP on the same router because as i know there will be some flapping on the network


can u suggest how to go head with this


thanks in advance


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Peter Paluch Wed, 09/02/2009 - 01:40

Hello,


The HSRP and BGP can basically live side by side and one will not influence the other. The HSRP presents a virtual IP and MAC address to clients that are configured to use the virtual IP as their gateway. Routing protocols, however, disregard that IP address and propagate their routing information using real IP addresses. In this sense, the HSRP and BGP are independent.


The only issue I am aware of right now is is the one with CPU load. Adding a new process on a loaded router further increases its load. While I think that the HSRP is a simple mechanism that consumes only little resources, you should test whether the CPU load does not rise inappropriately after you deploy it. Personally, though, I believe it will work.


Best regards,

Peter


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