Configuring The Maximum Number Of Equal Cost Routes; Configuring Is-Is Route Summarization - 3Com S7906E Configuration Manual

To do...
Enter system view
Enter IS-IS view
Specify a priority for IS-IS

Configuring the Maximum Number of Equal Cost Routes

If there are multiple equal cost routes to the same destination, the traffic can be load balanced to
enhance efficiency.
Follow these steps to configure the maximum number of equal cost routes:
To do...
Enter system view
Enter IS-IS view
Specify the maximum number
of equal cost routes for load
balancing

Configuring IS-IS Route Summarization

This task is to configure a summary route, so routes falling into the network range of the summary route
are summarized into one route for advertisement. Doing so can reduce the size of routing tables, as well
as the scale of LSP and LSDB. Both IS-IS routes and redistributed routes can be summarized.
Follow these steps to configure route summarization:
To do...
Enter system view
Enter IS-IS view
Configure IS-IS
route
summarization
The cost of the summary route is the lowest one among the costs of summarized routes.
The router summarizes only the routes in the locally generated LSPs.
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
preference { route-policy route-policy-name
| preference } *
Use the command...
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
maximum load-balancing number
Use the command...
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
summary ip-address { mask |
mask-length } [ avoid-feedback |
generate_null0_route | tag tag | [ level-1 |
level-1-2 | level-2 ] ] *
1-21
Use the command...
—
––
Required
No route summarization is
configured by default.
Remarks
––
––
Required
15 by default
Remarks
––
––
Required
The number range and
default vary by device.
Remarks