Huawei AR2200-S Series Configuration Manual page 21

Huawei AR2200-S Series Enterprise Routers
Configuration Guide - Reliability
Pre-configuration Tasks
Before configuring association between interface backup and routing, complete the following
tasks:
l
Procedure
1.
2.
3.
Example
Run the display standby state command to check the status of the backup interface and
associated route.
<Huawei> display standby state
Interface
Backup-flag meaning:
M---MAIN
D---LOAD
----------------------------------------------------------------------------
Below is track BFD information:
Bfd-Name
----------------------------------------------------------------------------
Below is track IP route information:
Destination/Mask
4.1.1.0/24
----------------------------------------------------------------------------
Below is track NQA Information:
Instance Name
According to the preceding information, the route status is OK and the status of backup interface
GigabitEthernet2/0/0 is STANDBY, indicating that the primary interface is transmitting traffic.
If the route status is ERR and the status of backup interface GigabitEthernet2/0/0 is Up, the
backup interface has started. The output information is as follows:
<Huawei> display standby state
Interface
Backup-flag meaning:
M---MAIN
D---LOAD
Issue 01 (2012-01-06)
Configuring routing protocols on the primary link and backup link to ensure connectivity
at the network layer
Run:
system-view
The system view is displayed.
Run:
interface interface-type interface-number
The backup interface view is displayed.
Run:
standby track ip route ip-address { mask-address | mask-length } [ vpn-
instance vpn-instance-name ]
Interface backup is associated with routing.
B---BACKUP
P---PULLED
Bfd-State
B---BACKUP
P---PULLED
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Interfacestate Backupstate Backupflag Pri
V---MOVED U---USED
BackupInterface
Route-State BackupInterface
OK GigabitEthernet2/0/0
BackupInterface
Interfacestate Backupstate Backupflag Pri
V---MOVED U---USED
1 Interface Backup Configuration
Loadstate
State
State
STANDBY
State
Loadstate
13