1. Click on the home page.
2. Click the Aggregation link in the Routing Configuration section.
3. Enter the IP address of the new route in the Add New Aggregate field.
4. Enter the mask length (number of bits) in the Mask Length field.
The mask length is the prefix length that will match with the IP adddress to form an aggregate to a single routing table entry.
5. Click .
6. Scroll through the New Contributing Protocol list and click the protocol you want to use for the new aggregate route.
7. Click the on radio button in the Contribute All Routes from <protocol> field.
(Optional) If you want a specific address to be contributed to the aggregate, fill in the address and mask in the New Contributing Route from <protocol> field.
8. Click .
9. Click .
If you want to make the changes permanent, click on the configuration
page.
Route aggregation is only available in OSPF, RIP II and static routing. RIP and IGRP cannot handle route aggregation.