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Operation Manual – VRRP

H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1

VRRP Configuration

1-12

# 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 fails,

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.

1.4.2 VRRP Tracking Interface Configuration

I. Network requirements

Even when Switch A is still functioning, Switch B (with another link to connect with the

outside) can function as a gateway when the interface on Switch A and connecting to

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