3com S7906E Instrução De Instalação
1-22
To do…
Use the command…
Remarks
Configure automatic route
summarization
summarization
summary automatic
Required
Not configured by
default.
default.
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…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Configure manual route
summarization
summarization
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 ]*
mask-length } [ as-set | attribute-policy
route-policy-name | detail-suppressed |
origin-policy route-policy-name |
suppress-policy route-policy-name ]*
Required
Not configured by
default.
default.
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…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Advertise a default route to a
peer or peer group
peer or peer group
peer { group-name | ip-address }
default-route-advertise [ route-policy
route-policy-name ]
default-route-advertise [ route-policy
route-policy-name ]
Required
Not advertised by
default
default
Configuring BGP Route Distribution/Reception Filtering Policies
Prerequisites
You need to configure following filters as needed.
z
ACL
z
IP prefix list
z
Route policy
z
AS-path ACL