R3204P16-HP Load Balancing Module High Availability Configuration Guide-6PW101

• If LB A operates normally, packets sent from Host A to Host B are forwarded by LB A; if interface

Ten-GigabitEthernet 0/0.1 through which LB A connects to the internet is not available, packets sent

from Host A to Host B are forwarded by LB B.

Figure 23 Network diagram for interface tracking in VRRP

2. Configure LB A

<LB A> system-view

[LB A] interface Ten-GigabitEthernet 0/0.2

[LB A-Ten-GigabitEthernet0/0.2] ip address 202.38.160.1 255.255.255.0

# Create VRRP group 1 and configure its virtual IP address as 202.38.160.111.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 virtual-ip 202.38.160.111

# Set the priority of LB A in the VRRP group to 110.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 priority 110

# Configure the authentication mode of the VRRP group as simple and authentication key as hello.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 authentication-mode simple hello

# Configure the master to send VRRP packets every five seconds.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 timer advertise 5

# Set LB A to work in preemptive mode. The preemption delay is five seconds.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 preempt-mode timer delay 5

# Set the interface to be tracked.

[LB A-Ten-GigabitEthernet0/0.2] vrrp vrid 1 track interface Ten-GigabitEthernet 0/0.1

reduced 30

3. Configure LB B

<LB B> system-view

[LB B] interface Ten-GigabitEthernet 0/0.2

[LB B-Ten-GigabitEthernet0/0.2] ip address 202.38.160.2 255.255.255.0

# Create VRRP group 1 and configure its virtual IP address as 202.38.160.111.

[LB B-Ten-GigabitEthernet0/0.2] vrrp vrid 1 virtual-ip 202.38.160.111

# Configure the authentication mode of the VRRP group as simple and authentication key as hello.

[LB B-Ten-GigabitEthernet0/0.2] vrrp vrid 1 authentication-mode simple hello

# Configure the master to send VRRP packets every five seconds.