HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 200
Configuring BGP route reception filtering policies, Command, Remarks, filter-policy import
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Step 4. Configure BGP route distribution filtering policies. Command • Reference an ACL or IPv6 prefix list to filter routes redistributed to all peers: filter-policy { acl6-number | prefix-list ipv6-prefix-name } export [ direct | isisv6 process-id | ospfv3 process-id | ripng process-id | static ] • Reference a routing policy to filter advertisements to a peer or peer group: peer { group-name | ipv6-address } route-policy route-policy-name export • Reference an ACL to filter advertisements to a peer or peer group: peer { group-name | ipv6-address } filter-policy acl6-number export • Reference an AS path list to filter routing information sent to a peer or peer group: peer { group-name | ipv6-address } as-path-acl as-path-acl-number export • Reference an IPv6 prefix list to filter routing information sent to peer { group-name | ipv6-address } prefix-list ipv6-prefix-name export Remarks Use at least one method. Not configured by default. Configuring BGP route reception filtering policies You can use the following methods to configure BGP route reception filtering policies: • Use an ACL or prefix list to filter routing information received from all peers. • Use a routing policy, ACL, AS path list, or prefix list to filter routing information received from a peer or peer group. If you configure multiple filtering policies, apply them in the following sequence: 1. filter-policy import 2. peer filter-policy import 3. peer as-path-acl import 4. peer prefix-list import 5. peer route-policy import Only routes passing all the configured policies can be received. To configure BGP route reception filtering policies (IPv4): 189
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