if anyone has ever had the experience VRF Upgrade from ip vrf <vrf name>to vrf definition <vrf name> using command vrf upgrade-cli multi-af-mode non-common-policies vrf ? if I want to use these commands, whether there is downtime for the vrf ?
It clould be because: if it's applicable to you
#vrf upgrade-cli multi-af-mode non-common-policies vrf test
You are about to upgrade to the multi-AF VRF syntax commands.
You will lose any IPv6 address configured on interfaces
belonging to upgraded VRFs.
Let me be more clear. If an ipv6 address configured on interface belonging to that vrf then it will get lost with this command.
for ex: I have below config
ip vrf forwarding test
ipv6 address 2404:A800::1/64
and after configuring that command: blab810(config)#vrf upgrade-cli multi-af-mode non-common-policies vrf test
the config will lose ipv6 address: as
vrf forwarding test
Have a look at this link for examples;
If you have configures IPv4 only on the interfaces, they will not be effected, but if you have IPv6, they will