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AS Path List

AS Path list specifies one or more BGP AS paths.

Diagram

Classes

policy_objects (sdwan)

NameTypeConstraintMandatoryDefault Value
as_path_listsList[as_path_lists]No

as_path_lists (sdwan.policy_objects)

NameTypeConstraintMandatoryDefault Value
nameStringRegex: ^[A-Za-z0-9-_]{1,128}$Yes
as_pathsListStringYes

Examples

Example-1: This example shows the configuration of an AS-Path list which contains the regex to look for BGP prefixes where AS 65000 has been used as transit.

sdwan:
policy_objects:
as_path_lists:
- name: TRANSIT_AS_65000
as_paths:
- _65000_

Example-2: This example shows the configuration of an AS-Path list which contains the regex to look for BGP prefixes where AS 65000 is the last transit AS.

sdwan:
policy_objects:
as_path_lists:
- name: NEIGHBOR_TRANSIT_AS
as_paths:
- ^65000

Example-3: This example shows the configuration of an AS-Path list which contains the regex to look for BGP prefixes where AS 65000 originator of the prefix.

sdwan:
policy_objects:
as_path_lists:
- name: ORIGINATOR_AS_65000
as_paths:
- 65000$

Example-4: This example shows the configuration of an AS-Path list which contains the regex to look for BGP prefixes where AS-Path is empty.

sdwan:
policy_objects:
as_path_lists:
- name: EMPTY_AS_PATH
as_paths:
- ^$

Example-5: This example shows the configuration of an AS-Path list which contains the regex to look for BGP prefixes where AS 65000 has been used as transit.

sdwan:
policy_objects:
as_path_lists:
- name: AS_PATH_4
as_paths:
- ^.*

Example-6: This example shows the configuration of two AS-Path lists, which contains the regex to look for BGP prefixes where AS 65000 and 65100 has been used as transit.

sdwan:
policy_objects:
as_path_lists:
- name: AS_PATH_1
as_paths:
- _65100_
- name: AS_PATH_2
as_paths:
- _65000_

Example-7: This example shows the configuration of a single AS-Path list, which contains the regex to look for BGP prefixes where the last AS-Path is 65100 OR 65101.

sdwan:
policy_objects:
as_path_lists:
- name: ASPATH-PRIVATE
as_paths:
- ^65100
- ^65101