R0106-HP MSR Router Series High Availability Configuration Guide(V7)

# Set the authentication mode of VRRP group 1 to simple, and the authentication key to hello.

[RouterB-GigabitEthernet2/0/1] vrrp vrid 1 authentication-mode simple plain hello

# Configure the master to send VRRP packets at an interval of 500 centiseconds.

[RouterB-GigabitEthernet2/0/1] vrrp vrid 1 timer advertise 500

# Configure Router B to operate in preemptive mode, and set the preemption delay to 5 seconds.

[RouterB-GigabitEthernet2/0/1] vrrp vrid 1 preempt-mode delay 5

Verifying the configuration

# Ping Host B from Host A to verify that Host B is reachable. (Details not shown.)

# Display detailed information about VRRP group 1 on Router A.

[RouterA-GigabitEthernet2/0/1] display vrrp verbose

IPv4 Virtual Router Information:

Running Mode : Standard

Total number of virtual routers : 1

Interface GigabitEthernet2/0/1

VRID : 1 Adver Timer : 500

Admin Status : Up State : Master

Config Pri : 110 Running Pri : 110

Preempt Mode : Yes Delay Time : 5

Auth Type : Simple Key : ******

Virtual IP : 10.1.1.10

Virtual MAC : 0000-5e00-0101

Master IP : 10.1.1.1

VRRP Track Information:

Track Object : 1 State : Positive Pri Reduced : 30

# Display detailed information about VRRP group 1 on Router B.

[RouterB-GigabitEthernet2/0/1] display vrrp verbose

IPv4 Virtual Router Information:

Running Mode : Standard

Total number of virtual routers : 1

Interface GigabitEthernet2/0/1

VRID : 1 Adver Timer : 500

Admin Status : Up State : Backup

Config Pri : 100 Running Pri : 100

Preempt Mode : Yes Delay Time : 5

Become Master : 2200ms left

Auth Type : Simple Key : ******

Virtual IP : 10.1.1.10

Master IP : 10.1.1.1

The output shows that in VRRP group 1, Router A is the master and Router B is a backup. Packets from Host

A to Host B are forwarded through Router A.

# Disconnect the link between Router A and Router C, and verify that Host A can still ping Host B. (Details

not shown.)

# Display detailed information about VRRP group 1 on Router A.

[RouterA-GigabitEthernet2/0/1] display vrrp verbose

IPv4 Virtual Router Information: