Configure an AS Path List
Configure an AS path list to restrict the routing information a router learns or advertises to and from a neighbor. The AS path list acts as a filter that matches AS paths.
Before you begin
Change the VRF instance as required to configure BGP on a specific VRF instance. The VRF must have an RP trigger of BGP. Not all parameters are configurable on non-default VRFs.
Procedure
- In the navigation pane, expand .
- Click Policy.
- Click the As Path List tab.
- Click Insert.
- Enter the appropriate information for your configuration.
- Click Insert.
As Path List field descriptions
Use the data in the following table to use the As Path List tab.
|
Name |
Description |
|---|---|
|
Id |
Specifies the AS path list. |
|
MemberId |
Specifies the AS path access list member ID. |
|
Mode |
Specifies the action to take if the system selects a policy for a specific route. Select permit (allow the route) or deny (ignore the route). |
|
AsRegularExpression |
Specifies the expression to use for the AS path. |