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Secondary IP Address on Sub Interfaces

We run several sub interfaces on a 2621 running v12.3 for meeting room access, and at times I have to provide static public IP addresses for multiple rooms. Is there a way to add a secondary IP to more than one sub interface? Once I apply it to one I can't put a secondary IP address on another one.

Thanks for the help.

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Cisco Employee

Re: Secondary IP Address on Sub Interfaces

Nope you cannot have same IP subnet on multiple interfaces of a same router

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