Dasan V5808 - BGP AS-Path Access List

User Manual UMN:CLI
V5808
533
11.1.11 BGP AS-path Access List
Autonomous System (AS) is one of the essential element of BGP. AS framework provides
distance vector metric and loop detection to BGP. An AS path access list can be spcified
on both inbound and outbound BGP routes.
To define a new Autonomous System (AS) path access-list, use the following command.
Command
Mode
Description
ip as-path access-list WORD
{deny | permit } LINE
Global
Specifies a BGP AS path access list to be used in
filtering.
WORD: regular expression AS path access list name
deny: specify packets to reject
permit: specify packets to forward
LINE: a regular expression to match the BGP AS paths
no ip as-path access-list WORD
[{deny | permit } LINE]
Deletes the configured BGP AS path access list.
To display the defined BGP Autonomous System (AS) path access list, use the following
command.
Command
Mode
Description
show ip as-path-access-list
Enable
Global
Bridge
Shows information about BGP AS path access list.
show ip as-path-access-list
NAME
An AS path access list must be done within a route map and then referred to within a
protocol. And AS path access lists can be used in match conditions in route-maps to
match on access lists attached to BGP routes.
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