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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 logical channel,
except Ethernet interface, to backup main interface (
backup interface/logic-
channel
).
Please use the following command in the configuration mode of the logical 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 configured.
1.2.6 Setting State-Judging Conditions for Logic-Channel Backup Interface
If the main interface has multiple backup interfaces of which one is a logical channel,
it’s necessary to judge whether the logical channel is down or up before opening it. If it
is down, open the hypo-higher priority backup interface in an order of priority; after the
logical channel changes to up, it’s required to switch from the hypo-higher 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 logical 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 configured.
1.2.7 Configuring Routes for Main and Backup Interfaces
By using command
ip route
in the global configuration mode, it is possible to configure
routes to the destination network segment through the main interface and all the
backup interfaces. Please refer to relevant chapters of “Network Protocol
Configuration” in this manual for details about the command
ip route
.