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-rw-r--r--src/ipset.86
1 files changed, 5 insertions, 1 deletions
diff --git a/src/ipset.8 b/src/ipset.8
index 648e935..37b31eb 100644
--- a/src/ipset.8
+++ b/src/ipset.8
@@ -767,7 +767,11 @@ the interface is flagged with \fBphysdev:\fR, the interface is interpreted
as the incoming/outgoing bridge port.
.PP
The lookup time grows linearly with the number of the different prefix
-values added to the set.
+values added to the set.
+.PP
+The internal restriction of the \fBhash:net,iface\fR set type is that
+the same network prefix cannot be stored with more than 64 different interfaces
+in a single set.
.PP
Examples:
.IP