F3215-HP Load Balancing Module High Availability Configuration Guide-6PW101

To configure a failover interface and a backup VLAN:

Step Command Remarks

1. Enter system view.

system-view N/A

2. Configure a failover interface

and a backup VLAN.

dhbk interface interface-list vlan

vlan-id

By default, no failover interface or

backup VLAN is specified.

Displaying and maintaining stateful failover

Task Command

Remarks

Display the running status and

related information of stateful

failover.

display dhbk status [ | { begin |

exclude | include }

regular-expression ]

Available in any view.

Stateful failover configuration example

Network requirements

In Figure 40, Device A and Device B serve as the internal gateways of an enterprise network. LB A and

LB B, respectively attached to Device A and Device B, provide AAA authentication for internal users.

Configure stateful failover between LB A and LB B. When one device fails, the other device takes over the

services to ensure service continuity.

Figure 40 Network diagram

Configuration procedure

1. Configure LB A:

# Create VLAN 100.

<LBA> system-view

[LBA] vlan 100

# Assign GigabitEthernet 0/1 to VLAN 100.

Internet

Internal

network

Device A Device B

GE1/2 GE1/2GE1/1 GE1/1

VLAN 100

GE1/2

LB A LB B

GE0/1 GE0/1

Failover link Failover link

VLAN 100VLAN 100