Enabling The Dynamic Route Backup Function On A Backup Interface; Configuring Backup Link Disconnection Delay; Dynamic Route Backup Configuration Example; Example I - 3Com MSR 50 Series Configuration Manual

Enabling the Dynamic
Route Backup Function
on a Backup Interface
Configuring Backup Link
Disconnection Delay
Dynamic Route
Backup Configuration
Example

Example I

Refer to "Dynamic Route Backup Configuration" on page 511
■
information about the dialer route command.
Table 19 Enable the dynamic route backup function on a backup interface
Operation
Enter system view
Enter interface view
Enable the dynamic
route backup function
n
Before enabling the dynamic route backup function on a backup interface, make
sure that DCC has been enabled on the backup interface.
In order to avoid route instability, you can disconnect the backup link after a
specified delay after the primary link is connected.
Table 20 Configure backup link disconnection delay
Operation
Enter system view
Enter interface view
Configure backup link
disconnection delay
Network requirements
Router B is connected to Router A and Router C through serial interfaces, and
■
X.25 is enabled on the two links.
Router A and Router C are connected to the ISDN switched network through
■
ISDN BRI interfaces. Router A and Router C can dial each other. The telephone
number of Router C is 8810052.
The serial interfaces are in the network segment 10.0.0.0/8, and the BRI
■
interfaces are in the network segment 20.0.0.0/8.
As the master device of the dynamic route backup function, Router A monitors
■
the network segment 30.0.0.0/8 on Router C.

Dynamic Route Backup Configuration Example

Command
system-view
interface interface-type
interface-number
standby routing-group
group-number
Command
system-view
interface interface-type
interface-number
standby timer routing-disable
seconds
for more
Description
-
-
Required
By default, the dynamic route backup
function is disabled.
Description
-
-
Optional
By default, the backup link
disconnection delay is 20
seconds.
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