Configuring an AS path list

Use this procedure to 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.

Procedure

  1. In the navigation tree, open the following folders: Configuration > IP.
  2. Click Policy.
  3. Click the As Path List tab.
  4. Click Insert.
  5. Enter the appropriate information for your configuration.
  6. 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. The range is 0–1024.
MemberId Specifies the AS path access list member ID. The range is 0–65535.
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.