Dynamic Routing Standby Configuration - 3Com 3C13636 Configuration Manual

3Com Router 3000 Ethernet Family
Configuration Guide
the secondary link. If the route goes DOWN before the timer expires, it does not
disconnect the secondary link.

2.2 Dynamic Routing Standby Configuration

Dynamic routing standby configuration tasks include:
Create a dynamic routing standby group
Apply a dynamic routing standby group to the interface
Configure secondary link disconnection delay
Note:
Before configuring dynamic routing standby, identify:
Primary and secondary interfaces. You should determine which interfaces on which
router are intended for primary and secondary use. You can define multiple
interfaces on more than one router.
Network segment (interface IP address or network) to be observed, such as
interface IP address of a remote router.
I. Creating a dynamic routing standby group
Perform the following configuration in system view.
Table 2-1 Create a dynamic routing standby group
Create a dynamic routing standby group
and assign a to-be-monitored network
segment to the group
Remove a dynamic routing standby
group, or remove the monitored segment
from the specified dynamic routing
standby group
Each dynamic routing standby group may contain up to 255 monitored network
segments. The primary link of a dynamic routing standby group is regarded
disconnected only when the routes of all the monitored network segments in the group
are removed.
Operation
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2-2
Chapter 2 Dynamic Routing Standby
Command
standby routing-rule group-number ip
ip-address address-mask
undo standby
group-number [ ip ip-address ip-mask ]
routing-rule