HP 6125G HP 6125G & 6125G/XG Blade Switches High Availability Configur - Page 149

VRRP with multiple VLANs configuration example, Network requirements, Configuration procedure

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VRRP with multiple VLANs configuration example Network requirements • Hosts in VLAN 2 use 202.38.160.100/25 as their default gateway and hosts in VLAN 3 use 202.38.160.200/25 as their default gateway. • Switch A and Switch B belong to both VRRP group 1 and VRRP group 2. The virtual IP address of VRRP group 1 is 202.38.160.100/25, and that of VRRP group 2 is 202.38.160.200/25. • In VRRP group 1, Switch A has a higher priority than Switch B. In VRRP group 2, Switch B has a higher priority than Switch A. In this case, hosts in VLAN 2 and VLAN 3 can communicate with external networks through Switch A and Switch B, respectively, and when Switch A or Switch B fails, the hosts can use the other switch to communicate with external networks to avoid communication interruption. Figure 39 Network diagram Configuration procedure 1. Configure Switch A: # Configure VLAN 2. system-view [SwitchA] vlan 2 [SwitchA-vlan2] port gigabitethernet 1/0/5 [SwitchA-vlan2] quit [SwitchA] interface vlan-interface 2 [SwitchA-Vlan-interface2] ip address 202.38.160.1 255.255.255.128 # Create a VRRP group 1 and set its virtual IP address to 202.38.160.100. [SwitchA-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.100 # Configure the priority of Switch A in VRRP group 1 as 110, which is higher than that of Switch B (100), so that Switch A can become the master in VRRP group 1. [SwitchA-Vlan-interface2] vrrp vrid 1 priority 110 [SwitchA-Vlan-interface2] quit # Configure VLAN 3. [SwitchA] vlan 3 [SwitchA-vlan3] port gigabitethernet 1/0/6 142

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VRRP with multiple VLANs configuration example
Network requirements
•
Hosts in VLAN 2 use 202.38.160.100/25 as their default gateway and hosts in VLAN 3 use
202.38.160.200/25 as their default gateway.
•
Switch A and Switch B belong to both VRRP group 1 and VRRP group 2. The virtual IP address of
VRRP group 1 is 202.38.160.100/25, and that of VRRP group 2 is 202.38.160.200/25.
•
In VRRP group 1, Switch A has a higher priority than Switch B. In VRRP group 2, Switch B has a
higher priority than Switch A. In this case, hosts in VLAN 2 and VLAN 3 can communicate with
external networks through Switch A and Switch B, respectively, and when Switch A or Switch B fails,
the hosts can use the other switch to communicate with external networks to avoid communication
interruption.
Figure 39
Network diagram
Configuration procedure
1.
Configure Switch A:
# Configure VLAN 2.
<SwitchA> system-view
[SwitchA] vlan 2
[SwitchA-vlan2] port gigabitethernet 1/0/5
[SwitchA-vlan2] quit
[SwitchA] interface vlan-interface 2
[SwitchA-Vlan-interface2] ip address 202.38.160.1 255.255.255.128
# Create a VRRP group 1 and set its virtual IP address to 202.38.160.100.
[SwitchA-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.100
# Configure the priority of Switch A in VRRP group 1 as 110, which is higher than that of Switch
B (100), so that Switch A can become the master in VRRP group 1.
[SwitchA-Vlan-interface2] vrrp vrid 1 priority 110
[SwitchA-Vlan-interface2] quit
# Configure VLAN 3.
[SwitchA] vlan 3
[SwitchA-vlan3] port gigabitethernet 1/0/6