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doc:the doc of extcomumnity color

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Signed-off-by: guozhongfeng.gzf <guozhongfeng.gzf@alibaba-inc.com>
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guozhongfeng.gzf 2024-11-07 10:32:16 +08:00
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doc/user/bgp.rst
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@ -2921,6 +2921,23 @@ BGP Extended Communities in Route Map
This command sets colors values.
:rfc:`9256`.
``CO:COLOR``
This is a format to define colors value. ``CO`` part is always 00 (default),
it can be used to support the requirements of Color-Only steering when using
a Null Endpoint in the SR-TE Policy as specified in Section 8.8 of [RFC9256].
The below shows in detail what the different combinations of ``CO`` bits can
match on to for the purpose of determining what type of SR-TE Policy Tunnel
a BGP route can resolve over, and it also shows the order for resolving the
BGP route if there are different tunnels.
- ``00`` Can match on a specific endpoint only which should be the nexthop
of the route(Default Setting).
- ``01`` Can match on a specific endpoint or a null endpoint.
- ``10`` Can match on a specific endpoint, null endpoint or any endpoint.
- ``11`` Reserved for future use and shuould not be used.
.. clicmd:: set extcommunity bandwidth <(1-25600) | cumulative | num-multipaths> [non-transitive]
This command sets the BGP link-bandwidth extended community for the prefix