D-Link DGS-3630-52PC Manual - Page 196
ip as-path access-list, MI and EI Mode Only
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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Switch# configure terminal Switch(config)# router bgp 65100 Switch(config-router)# distance bgp 50 100 12-36 ip as-path access-list (MI and EI Mode Only) This command is used to define a rule entry for a BGP Autonomous System (AS) path access list. Use the no form of this command to remove the definition of an AS path access-list. ip as-path access-list ACCESS-LIST-NAME [{permit | deny} REGEXP] no ip as-path access-list ACCESS-LIST-NAME Parameters ACCESS-LIST-NAME permit deny REGEXP Specifies the name of an AS path access list. The maximum length is 16 bytes Specifies that routes that match the rule entry are permitted. Specifies that routes that match the rule entry are denied. Specifies a regular expression for the matching pattern. Default None. Command Mode Global Configuration Mode. Command Default Level Level: 12. Usage Guideline Use this command to define an AS path access list entry. An AS path access list can contain multiple rule entries, either as a deny entry or a permit entry. Use the neighbor filter-list command to apply an AS path access list to a neighbor session as an ingress filter or an egress filter. If an access list is applied, if the route matches an access list entry, then no further check will be done against other rules. If the match rule is a permit rule, then the route is permitted. If the matched rule is a deny rule, then the route is denied. Use the match as-path command to match an access list in a route map entry definition. To match a route map entry, all match statements must be satisfied. To match an AS path access list, if an entry in the access list matches the route, then no further check will be done against the remaining entries in the access list. If the matched entry is a permit entry, then the AS path access list is matched. If the matched entry is a deny entry, then the AS path access list is not matched. If none of the rule entries in the AS path access list match the route, then the AS path access list is not matched. Example This example shows how to define an AS-path access-list called "mylist" to deny neighbors with the AS number 65535. Switch# configure terminal Switch(config)# ip as-path access-list mylist deny ^65535$ 191
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