3com 8807 Reference Guide
520
C
HAPTER
27: BGP C
ONFIGURATION
C
OMMANDS
View
BGP view
Parameter
acl-number: Number of IP access control list, in the range of 2000 to 3999.
ip-prefix-name: Name of an address prefix list. It is used for filtering routing
information by destination address. Its length ranges from 1 to 19.
information by destination address. Its length ranges from 1 to 19.
gateway ip-prefix-name: Name of a peer-router address prefix list. It is used for
filtering routing information by peer-router address. Its length ranges from 1 to
19.
filtering routing information by peer-router address. Its length ranges from 1 to
19.
Description
Use the filter-policy gateway import command to filter the learned routing
information advertised by the peer with the specified address.
information advertised by the peer with the specified address.
Use the undo filter-policy gateway import command to cancel the filtration to
the routing information advertised by the peer with specified address.
the routing information advertised by the peer with specified address.
Use the filter-policy import command to filter the received global routing
information. Use the undo filter-policy import command to remove the
filtration to the received global routing information.
information. Use the undo filter-policy import command to remove the
filtration to the received global routing information.
By default, filtration to the received routing information is not configured.
This command can be used to filter the routes received by BGP and determines
whether to add the routes to the BGP routing table.
whether to add the routes to the BGP routing table.
Example
# Use ACL 2000 to filter the routing information received by BGP.
[3Com-bgp] filter-policy 2000 import
group
Syntax
group group-name [ internal | external ]
undo group group-name
View
BGP view
Parameter
group-name: Specifies the name of the peer group. It can consist of numbers or
letters with a length ranging from 1 to 47. group-name is locally significant.
letters with a length ranging from 1 to 47. group-name is locally significant.
internal: Specifies the type of the peer group as IBGP.
external: Specifies the type of the peer group as EBGP, including other groups of
other sub-ASs in the confederation.
other sub-ASs in the confederation.