H3C Technologies H3C SR8800 - Manual (Page 81)

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IPv4 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface GigabitEthernet4/1/1
VRID : 1 Adver Timer : 5
Admin Status : Up State : Master
Config Pri : 100 Running Pri : 100
Preempt Mode : Yes Delay Time : 5
Auth Type : Simple Key : hello
Virtual IP : 202.38.160.111
Virtual MAC : 0000-5e00-0101
Master IP : 202.38.160.2
The output shows that if interface GigabitEthernet 4/1/2 on Router A is not available, the priority
of Router A is reduced to 80 and it becomes the backup. Router B becomes the master and packets
sent from Host A to Host B are forwarded by Router B.
Multiple VRRP groups configuration example
Network requirements
• In the segment 202.38.160.0/24, some hosts use 202.38.160.111/24 as their default gateway and
some hosts use 202.38.160.112/24 as their default gateway.
• Load sharing and mutual backup between default gateways can be implemented by using VRRP
groups.
Figure 23 Network diagram
Configuration procedure
1. Configure Router A:
<RouterA> system-view
[RouterA] interface GigabitEthernet 4/1/1
[RouterA-GigabitEthernet4/1/1] ip address 202.38.160.1 255.255.255.0
Host A
Host B
Host C
Router A
Router B
Virtual IP address 1:
202.38.160.111/24
Virtual IP address 2:
202.38.160.112/24
GE4/1/1
202.38.160.1/24
GE4/1/1
202.38.160.2/24
Gateway:
202.38.160.111/24
Gateway:
202.38.160.112/24
Gateway:
202.38.160.111/24
Internet