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Webcast-Catalyst9k
New Member

HSRP and router performance

Hello

Does anybody know how much performance the HSRP-process consumes per subinterface?

In my case three routers have to build 14 segments.

At the moment only the three vitally important segments are protected trough HSRP.

But I plan to make them all redundant.

So how many performance does the HSRP process need in idle running?

Is there a rough rule of thumb?

The hardware:

CISCO 2621 ---> 5 subinterfaces

CISCO 2621XM ---> 6 subinterfaces

CISCO 7206 with NPE 400 ---> 3 subinterfaces

Thanks in advance

1 ACCEPTED SOLUTION

Accepted Solutions
Bronze

Re: HSRP and router performance

It'll be negligable unless you happen to hit a bug. Both the resource requirements (e.g., CPU usage) and bandwidth requirements are insignificant.

2 REPLIES
Bronze

Re: HSRP and router performance

It'll be negligable unless you happen to hit a bug. Both the resource requirements (e.g., CPU usage) and bandwidth requirements are insignificant.

New Member

Re: HSRP and router performance

Thank you very much for your helpful information!!!

Sheffield-Dave

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