User Manual - Configuration Guide (Volume 3)
Versatile Routing Platform Chapter 1
Configuration of Backup Center
1-4
To run following commands normally, user should run those commands firstly, which
specify a physical interface or virtual interface template, or a certain logic al channel,
except Ethernet interface, to backup main interface (backup interface/logic-
channel).
Please use the following command in the configuration mode of the logic al channel
Table LC-1-6 Set the state-judging conditions when the main interface is a logical channel
Operation Command
Set the condition for judging the logical channel as down: the logical channel
is regarded as down after the specified number of unsuccessful calls. backup state-down number
After system switches to backup interface, interval-time is set to make regular
inspections so as to check whether the original logical channel has recovered
its “up” state. backup state-up interval-time
By default, the number of call and state checking interval-time are not conf igured.
1.2.6 Setting State-Judging Conditions for Logic-Channel Backup Interface
If the main interface has multiple backup interfaces of wh ich o ne is a l ogical channe l,
it’s necessary to judge whether the logical channel is down or up bef ore opening it. If it
is down, open the hypo-higher priority backup interface in an order of prior ity; after the
logical channel changes to up, it’s required to switch from the hypo-high er priority
backup interface of a low priority to this logical channel.
To run following commands normally, the command that specifies logical channel
backup main interface (backup logic-channel) must be ran at first.
Please use the following commands in the configuration mode of the log ical channel
Table LC-1-7 Set the state-judging conditions when the backup interface is a logical channel
Operation Command
Set the condition for judging the backup logical channel as down: the backup
logical channel is regarded as down after the specified number of
unsuccessful calls. backup state-down number
Interval-time is set to make regular inspections so as to check if the backup
logical channel has restored to the up state or not. backup state-up interval-time
By default, the number of call and state checking interval-time are not conf igured.
1.2.7 Configuring Routes for Main and Backup Interfaces
By using command ip route in the global configuration mode, it is possible to configur e
routes to the destination network segment through the main interface an d all the
backup interfaces. Please refer to relevant chapters of “Network Protocol
Configuration” in this manual for details about the command ip route.