Cisco Catalyst 4500 series Administration Manual page 359

Chapter 7 Configuring the Cisco IOS XE In Service Software Upgrade Process
!
Perform an ISSU upgrade to a Cisco IOS XE 3.4.0SG/15.1(2)SG image.
Step 1
Step 2 Run the VRF upgrade command.
Switch# config t
Enter configuration commands, one per line.
Switch(config)# vrf upgrade-cli multi-af-mode common-policies vrf mgmtVrf
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.
Are you sure ? [yes]:
Number of VRFs upgraded: 1
Switch(config)# exit
Your configuration will appear as follows:
vrf definition mgmtVrf
!
address-family ipv4
exit-address-family
!
interface FastEthernet1
vrf forwarding mgmtVrf
ip address 10.1.1.1 255.255.255.0
speed auto
duplex auto
!
Step 3 Configure the switch to enable the IPv6 address family and add the IPv6 address.
Switch# config t
Enter configuration commands, one per line.
Switch(config)# vrf definition mgmtVrf
Switch(config-vrf)# address-family ipv6
Switch(config-vrf-af)# exit
Switch(config-vrf)# exit
Switch(config)# interface fa1
Switch(config-if)# ipv6 address 2000::1/64
Switch(config-if)# end
Your configuration will appear as follows.
vrf definition mgmtVrf
!
address-family ipv4
exit-address-family
!
address-family ipv6
exit-address-family
!
interface FastEthernet1
vrf forwarding mgmtVrf
ip address 10.1.1.1 255.255.255.0
speed auto
duplex auto
ipv6 address 2000::1/64
OL-30933-01
End with CNTL/Z.
End with CNTL/Z.
Software Configuration Guide—Release IOS XE 3.6.0SG and IOS 15.2(2)SG
How to Perform the ISSU Process
7-17