IPv6-Based VRRP Configuration Examples 1099
If Switch A fails, you can still ping through Host B on Host A. You can use the
display vrrp ipv6 command to view the detailed information of the standby
group on Switch B.
# If Switch A fails, the detailed information of standby group 1 on Switch B is
displayed.
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose
IPv6 Standby Information:
Run Method : VIRTUAL-MAC
Virtual IP Ping : Enable
Interface : Vlan-interface2
VRID : 1 Adver. Timer : 100
Admin Status : UP State : Master
Config Pri : 100 Run Pri : 100
Preempt Mode : YES Delay Time : 0
Auth Type : NONE
Virtual IP : FE80::10
Virtual MAC : 0000-5e00-0201
Master IP : FE80::2
The above information indicates that if Switch A fails, Switch B becomes the
master, and packets sent from Host A to Host B are forwarded by Switch B.
VRRP Interface Tracking
Configuration Example
Network requirements
■ Host A needs to access Host B on the Internet, using FE80::10 as its default
gateway.
■ Switch A and Switch B belong to standby group 1 with the virtual IP address of
FE80::10.
■ If Switch A operates normally, packets sent from Host A to Host B are
forwarded by Switch A; if Switch A is in work, but its VLAN-interface 3 which
connects to the Internet is not available, packets sent from Host A to Host B are
forwarded by Switch B.
Network diagram
Figure 328 Network diagram for VRRP interface tracking
Host A
Switch A
Switch B
Virtual IPv6 address:
FE80::10
Vlan-int2
FE80::1
Vlan-int2
FE80::2
Host B
Gateway:
FE80::10
Vlan-int3
Internet
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