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BGP: Add documentaion for extended messages
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@ -1901,6 +1901,11 @@ using the following configuration parameters:
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in neighbor's implementation of 4B AS extension. Even when disabled
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in neighbor's implementation of 4B AS extension. Even when disabled
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(off), BIRD behaves internally as AS4-aware BGP router. Default: on.
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(off), BIRD behaves internally as AS4-aware BGP router. Default: on.
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<tag>enable extended messages <m/switch/</tag>
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The BGP protocol uses maximum message length of 4096 bytes. This option
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provides an extension to allow extended messages with length up
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to 65535 bytes. Default: off.
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<tag>capabilities <m/switch/</tag>
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<tag>capabilities <m/switch/</tag>
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Use capability advertisement to advertise optional capabilities. This is
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Use capability advertisement to advertise optional capabilities. This is
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standard behavior for newer BGP implementations, but there might be some
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standard behavior for newer BGP implementations, but there might be some
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@ -2096,7 +2101,7 @@ protocol bgp {
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multihop; # ... which is connected indirectly
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multihop; # ... which is connected indirectly
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export filter { # We use non-trivial export rules
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export filter { # We use non-trivial export rules
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if source = RTS_STATIC then { # Export only static routes
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if source = RTS_STATIC then { # Export only static routes
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# Assign our community
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# Assign our community
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bgp_community.add((65000,64501));
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bgp_community.add((65000,64501));
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# Artificially increase path length
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# Artificially increase path length
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# by advertising local AS number twice
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# by advertising local AS number twice
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@ -2305,7 +2310,7 @@ these attributes:
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<tag>ip <cf/krt_prefsrc/</tag> (Linux)
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<tag>ip <cf/krt_prefsrc/</tag> (Linux)
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The preferred source address. Used in source address selection for
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The preferred source address. Used in source address selection for
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outgoing packets. Has to be one of the IP addresses of the router.
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outgoing packets. Has to be one of the IP addresses of the router.
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<tag>int <cf/krt_realm/</tag> (Linux)
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<tag>int <cf/krt_realm/</tag> (Linux)
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The realm of the route. Can be used for traffic classification.
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The realm of the route. Can be used for traffic classification.
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@ -113,7 +113,7 @@ idval:
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$$ = ipa_to_u32(SYM_VAL($1).px.ip);
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$$ = ipa_to_u32(SYM_VAL($1).px.ip);
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#endif
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#endif
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else
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else
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cf_error("Number of IPv4 address constant expected");
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cf_error("Number or IPv4 address constant expected");
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}
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}
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;
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;
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