Area basic FW: adding secondary address to an interface

If you configure a secondary IP address on an interface - say int fa0/0 zone "inside" - who immediately come into effect for traffic on this subnet? I'll work on a network where they have installed too small a subnet on the inside and I would like to facilitate the migration by putting on a secondary IP address and let them renumber all their stuff etc. Then as the last brief step I'll nuke address main and primary school.

Would this work? Thank you.

Once u put the secondary it will enter into effict

but I think for nating, you need to do to recharge

or rstart sessions

Good luck

Tags: Cisco Security

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