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What is the max number of secondary interfaces on routers & switches?

What is the maximun number of secondary interfaces on routers & switches? What are the problems with having more than one?

  • Other Network Infrastructure Subjects
3 REPLIES
Bronze

Re: What is the max number of secondary interfaces on routers &

From what I know, there is no hard limit on the number of secondary addresses on an interface other than RAM used and NVRAM space for the router's config.

New Member

Re: What is the max number of secondary interfaces on routers &

Are there any known issues when using multiple secondary interfaces such as: load balancing, routing inconsistancies, etc.?

Bronze

Re: What is the max number of secondary interfaces on routers &

I'm not aware of any issues that don't have workarounds when using secondary addresses. That is not to say there aren't any. I suggest looking on on Cisco and comp.dcom.sys.cisco for any references on specific concerns you have about a particular technology or IOS feature and its compatibility with secondary addresses.

HTH

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