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Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index ff599216..90ceb184 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -5094,6 +5094,8 @@ Bitmask matching is written using <m/value/<cf>/</cf><m/mask/ or <cf/!/<m/value/<cf>/</cf><m/mask/ pairs. It means that <cf/(/<m/data/ <cf/&/ <m/mask/<cf/)/ is or is not equal to <m/value/. It is also possible to use multiple value/mask pairs connected by logical operators <cf/&&/ or <cf/||/. +Note that for negated matches, value must be either zero or equal to bitmask +(e.g. !0x0/0xf or !0xf/0xf, but not !0x3/0xf). <sect2>IPv4 Flowspec |