Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
Raisecom(config)#interface
interface-type primary-
interface-number
Enter physical layer interface
configuration mode or LAG
configuration mode.
Raisecom(config-
gigaethernet1/1/port)#port
backup [
interface-type
backup-interface-number
]
force-switch
Configure FS on the interface.
Use the no port backup [ interface-type
backup-interface-number ] force-switch
command to cancel FS. Then, the
principles of selecting the current link
according to link status are as below:
If the Up/Down status of the two
interfaces is the same, the primary
interface is of high priority.
If the Up/Down status of the two
interfaces is different, the Up interface
is of high priority.
Raisecom(config-port-
channel1)#port backup
[
interface-type
backup-
interface-number
] force-
switch
11.2.6 Checking configurations
Use the following commands to check configuration results.
Raisecom#show
switchport backup
Show status information about interface backup.
Raisecom#show port
backup group
Show configurations of interface backup.
11.2.7 Example for configuring interface backup
Networking requirements
As shown in Figure 11-5, the PC accesses the server through the Switch. To implement a
reliable remote access from the PC to the server, configure an interface backup group on
Switch A and specify the VLAN list so that the two interfaces concurrently forward services
in different VLANs and balance load. Configure Switch A as below:
Add GE 1/1/1 to VLANs 100–150 as the primary interface and GE 1/1/2 as the backup
interface.
Add GE 1/1/2 to VLANs 151–200 as the primary interface and GE 1/1/1 as the backup
interface.
When GE 1/1/1 or its link fails, the system switches traffic to the backup interface GE 1/1/2 to
resume the link.
Switch A is required to support interface backup while other switches are not.
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