Zone Based FW: Adding secondary address to an interface

Answered Question
Aug 5th, 2008

If you set up a secondary IP address on an interface - say int fa0/0 zone "inside" - does that immediately take effect for the traffic on that subnet? I will be working on a network where they installed too small a subnet on the inside and I'd like to ease the migration by putting on a secondary IP and let them renumber all their stuff etc. Then as final brief step I'll nuke the primary address and make the secondary primary.

Would this work? Thanks.

I have this problem too.
0 votes
Correct Answer by Marwan ALshawi about 8 years 5 months ago

once u put the secondary it comes into effict

but i think for nating u need to make reload

or rstart the sessions

good luck

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Correct Answer
Marwan ALshawi Tue, 08/05/2008 - 06:44

once u put the secondary it comes into effict

but i think for nating u need to make reload

or rstart the sessions

good luck

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