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Documentation update
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@ -525,13 +525,13 @@ incompatible with each other (that is to prevent you from shooting in the foot).
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<tag/bgpmask/
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<tag/bgpmask/
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BGP masks are patterns used for BGP path matching
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BGP masks are patterns used for BGP path matching
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(using <cf>path ˜ /2 3 5 ?/</cf> syntax). The masks
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(using <cf>path ˜ |2 3 5 *|</cf> syntax). The masks
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resemble wildcard patterns as used by UNIX shells. Autonomous
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resemble wildcard patterns as used by UNIX shells. Autonomous
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system numbers match themselves, <cf/?/ matches any (even empty)
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system numbers match themselves, <cf/*/ matches any (even empty)
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sequence of arbitrary AS numbers (<cf/*/ hasn't been chosen, because
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sequence of arbitrary AS numbers. For example:
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<cf>/*</cf> starts a comment). For example:
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<tt>|4 3 2 1| ˜ |? 4 3 *|</tt> is true, but
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<tt>/4 3 2 1/ ˜ /? 4 3 ?/</tt> is true, but
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<tt>|4 3 2 1| ˜ |? 4 5 *|</tt> is false.
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<tt>/4 3 2 1/ ˜ /? 4 5 ?/</tt> is false.
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There is also old syntax that uses / instead of | and ? instead of *.
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<tag/clist/
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<tag/clist/
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Community list is similar to set of pairs,
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Community list is similar to set of pairs,
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except that unlike other sets, it can be modified.
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except that unlike other sets, it can be modified.
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@ -875,7 +875,7 @@ protocol bgp {
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bgp_community.add((65000,5678));
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bgp_community.add((65000,5678));
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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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if bgp_path ~ / 65000 / then
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if bgp_path ~ | 65000 | then
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bgp_path.prepend(65000);
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bgp_path.prepend(65000);
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accept;
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accept;
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}
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}
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