Hey Cisco Goers. My first post here, thanks for the forums.
Going to keep my question brief for now as it is pretty straight forward. Is there a way to gracefully move an IP address on an SVI from one VLAN to another without destroying the IP address?
Interface VLAN 100 has IP 192.168.1.254 255.255.255.0 and I want to move that IP to interface VLAN 500. What I dont want to do is 'no ip address 192.168.1.254 255.255.255.0' on VLAN 100 first then 'ip address 192.168.1.254 255.255.255.0' on VLAN 500.
I suspect no matter how you try this, there's likely going to be some brief impact to active traffic using that IP (if that's what you're trying to avoid).
Even the suggestions using VRFs, which would allow both IPs to be active within different routing topologies is likely to be impactful as other hosts try to use the IP if its intended to be globally unique.
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This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
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