Advertising A Default Route To A Peer Or Peer Group; Configuring Bgp Route Distribution/Reception Filtering Policies - 3Com S7906E Configuration Manual

To do...
Configure automatic route
summarization
Configure manual route summarization
By configuring manual route summarization, you can summarize both redistributed routes and routes
injected using the network command and determine the mask length for a summary route as needed.
Follow these steps to configure BGP manual route summarization:
To do...
Enter system view
Enter BGP view
Configure manual route
summarization

Advertising a Default Route to a Peer or Peer Group

After this task is configured, the BGP router sends a default route with the next hop being itself to the
specified peer/peer group, regardless of whether the default route is available in the routing table.
Follow these steps to advertise a default route to a peer or peer group:
To do...
Enter system view
Enter BGP view
Advertise a default route to a
peer or peer group

Configuring BGP Route Distribution/Reception Filtering Policies

Prerequisites
You need to configure following filters as needed.
ACL
IP prefix list
Route policy
AS-path ACL
Use the command...
summary automatic
Use the command...
system-view
bgp as-number
aggregate ip-address { mask |
mask-length } [ as-set | attribute-policy
route-policy-name | detail-suppressed |
origin-policy route-policy-name |
suppress-policy route-policy-name ]*
Use the command...
system-view
bgp as-number
peer { group-name | ip-address }
default-route-advertise [ route-policy
route-policy-name ]
1-22
Remarks
Required
Not configured by
default.
Remarks
—
—
Required
Not configured by
default.
Remarks
—
—
Required
Not advertised by
default