R3303-HP 6600/HSR6600 Routers High Availability Configuration Guide

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Step Command Remarks
1. Enter system view.
system-view N/A
2. Specify an
interface as the
failover interface.
dhbk interface interface-type
interface-number
Not specified by default.
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
As shown Figure 55, you are required to implement stateful failover between Router A and Router B. They
both run portal to implement user authentication. When one device fails, the other device takes over the
services to ensure service continuity.
Figure 55 Network diagram
Configuration procedure
1. Configure Device A:
# Enable symmetric-path mode stateful failover.
<Sysname> system-view
[Sysname] dhbk enable backup-type symmetric-path
# Specify GigabitEthernet 0/0/2 as a failover interface.