Operation Manual – VRRP
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 VRRP Configuration
Huawei Technologies Proprietary
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[LSW-A-Vlan-interface2] ip address 202.38.160.1 255.255.255.0
[LSW-A-Vlan-interface2] quit
# Enable a backup group to respond to ping operations destined for its virtual router IP
address.
[LSW-A] vrrp ping-enable
# Create a backup group.
[LSW-A] interface vlan 2
[LSW-A-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111
# Set the priority for the backup group.
[LSW-A-Vlan-interface2] vrrp vrid 1 priority 110
# Configure the preemptive mode for the backup group.
[LSW-A-Vlan-interface2] vrrp vrid 1 preempt-mode
z Configure Switch B.
# Configure VLAN 2.
<LSW-B> system-view
System View: return to User View with Ctrl+Z.
[LSW-B] vlan 2
[LSW-B-Vlan2] port Ethernet 1/0/5
[LSW-B-vlan2] quit
[LSW-B] interface Vlan-interface 2
[LSW-B-Vlan-interface2] ip address 202.38.160.2 255.255.255.0
[LSW-B-Vlan-interface2] quit
# Enable a backup group to respond to ping operations destined for its virtual router IP
address..
[LSW-B] vrrp ping-enable
# Create a backup group.
[LSW-B] interface vlan 2
[LSW-B-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111
# Configure the preemptive mode for the backup group.
[LSW-B-Vlan-interface2] vrrp vrid 1 preempt-mode
The IP address of the default gateway of Host A can be configured to be
202.38.160.111.
Normally, Switch A functions as the gateway, but when Switch A is turned off or
malfunctions, Switch B will function as the gateway instead.
Configure Switch A to operate in preemptive mode, so that it can resume its gateway
function as the master switch after recovery.
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