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-rw-r--r--doc/bird.sgml8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index aeea613f..2363fb52 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1295,7 +1295,9 @@ in the foot).
prefix. The literals are written as <cf><m/ipaddress//<m/pxlen/ from
<m/ipaddress//<m/pxlen/</cf>, where the first part is the destination
prefix and the second art is the source prefix. They support the same
- operators as IP prefixes, but just for the destination part.
+ operators as IP prefixes, but just for the destination part. They also
+ support <cf/.src/ and <cf/.dst/ operators to get respective parts of the
+ address as separate <cf/NET_IP6/ values.
<cf/NET_VPN4/ and <cf/NET_VPN6/ prefixes hold an IP prefix with VPN
Route Distinguisher (<rfc id="4364">). They support the same special
@@ -1309,7 +1311,9 @@ in the foot).
and <cf/.asn/ which extracts the ASN.
<cf/NET_FLOW4/ and <cf/NET_FLOW6/ hold an IP prefix together with a
- flowspec rule. Filters currently don't support flowspec parsing.
+ flowspec rule. Filters currently do not support much flowspec parsing,
+ only <cf/.src/ and <cf/.dst/ operators to get source and destination
+ parts of the flowspec as separate <cf/NET_IP4/ / <cf/NET_IP6/ values.
<cf/NET_MPLS/ holds a single MPLS label and its handling is currently
not implemented.