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Multiple vrrp groups configuration example, Network requirements – H3C Technologies H3C S6800 Series Switches User Manual

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[SwitchB-Vlan-interface2] display vrrp ipv6 verbose

IPv6 Virtual Router Information:

Running Mode : Standard

Total number of virtual routers : 1

Interface Vlan-interface2

VRID : 1 Adver Timer : 100

Admin Status : Up State : Master

Config Pri : 100 Running Pri : 100

Preempt Mode : Yes Delay Time : 5

Auth Type : None

Virtual IP : FE80::10

1::10

Virtual MAC : 0000-5e00-0201

Master IP : FE80::2

The output shows that when Switch A fails, Switch B takes over to forward packets from Host A to

Host B.
# Recover the link between Host A and Switch A, and display detailed information about VRRP
group 1 on Switch A.

[SwitchA-Vlan-interface2] display vrrp ipv6 verbose

IPv6 Virtual Router Information:

Running Mode : Standard

Total number of virtual routers : 1

Interface Vlan-interface2

VRID : 1 Adver Timer : 100

Admin Status : Up State : Master

Config Pri : 110 Running Pri : 110

Preempt Mode : Yes Delay Time : 5

Auth Type : None

Virtual IP : FE80::10

1::10

Virtual MAC : 0000-5e00-0201

Master IP : FE80::1

The output shows that after Switch A resumes normal operation, it becomes the master to forward

packets from Host A to Host B.

Multiple VRRP groups configuration example

This section provides an example of configuring multiple VRRP groups on switches.

Network requirements

Switch A and Switch B form two VRRP groups. VRRP group 1 uses the virtual IPv6 addresses 1::10/64

and FE80::10 to provide gateway service for hosts in VLAN 2, and VRRP group 2 uses the virtual IPv6

addresses 2::10/64 and FE90::10 to provide gateway service for hosts in VLAN 3, as shown in

Figure

18

.

Hosts in VLAN 2 learn 1::10/64 as their default gateway, and hosts in VLAN 3 learn 2::10/64 as their
default gateway from RA messages sent by the switches.

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