HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Routing Confi - Page 252
Enabling 4-byte AS number suppression, Table 6, Description of the both, send
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Step Command Remarks Optional. 5. Enable the non-standard ORF peer { group-name | capability for a BGP peer or ipv6-address } capability-advertise By default, standard BGP ORF peer group. orf non-standard capability defined in RFC 5291 and RFC 5292 is supported. 6. Enable the ORF IP prefix negotiation capability for a BGP peer or peer group. peer { group-name | ip-address | ipv6-address } capability-advertise orf ipv6-prefix { both | receive | send } Not supported by default. Table 6 Description of the both, send, and receive parameters and the negotiation result Local parameter send receive Peer parameter • receive • both • send • both Negotiation result The ORF sending capability is enabled locally and the ORF receiving capability is enabled on the peer. The ORF receiving capability is enabled locally and the ORF sending capability is enabled on the peer. both both Both the ORF sending and receiving capabilities are enabled locally and on the peer. Enabling 4-byte AS number suppression When a switch that supports 4-byte AS numbers sends an Open message for peer relationship establishment, the Optional parameters field of the message indicates that the AS number occupies four bytes-in the range of 1 to 4294967295. If the peer device does not support 4-byte AS numbers (for examples, it supports only 2-byte AS numbers), the peer relationship cannot be established. After you enable the 4-byte AS number suppression function, the peer device can then process the Open message even though it does not support 4-byte AS numbers, and the IPv6 BGP peer relationship can be established. If the peer device supports 4-byte AS numbers, do not enable the 4-byte AS number suppression function; otherwise, the IPv6 BGP peer relationship cannot be established. To enable 4-byte AS number suppression: Step 1. Enter system view. 2. Enter BGP view. 3. Enter IPv6 address family view. 4. Enable 4-byte AS number suppression. Command system-view bgp as-number ipv6-family peer { group-name | ip-address } capability-advertise suppress-4-byte-as Remarks N/A N/A N/A Disabled by default. 242