path: root/ebtables.8
diff options
Diffstat (limited to 'ebtables.8')
1 files changed, 13 insertions, 0 deletions
diff --git a/ebtables.8 b/ebtables.8
index 465d635..998449d 100644
--- a/ebtables.8
+++ b/ebtables.8
@@ -473,6 +473,19 @@ to explicitly load them with a -m option like in
.BR iptables .
However, these
extensions deal with functionality supported by supplemental kernel modules.
+.SS 802.3
+Specify 802.3 DSAP/SSAP fields or SNAP type. These only work if the protocol equals
+.BR "LENGTH " (see " protocol " above).
+.BR "--802_3-sap " "[!] \fIsap\fP"
+DSAP and SSAP are two one byte 802.3 fields. The bytes are always
+equal, so only one byte (hexadecimal) is needed as an argument.
+.BR "--802_3-type " "[!] \fItype\fP"
+If the 802.3 DSAP and SSAP values are 0xaa then the SNAP type field must
+be consulted to determine the payload protocol. This is a two byte
+(hexadecimal) argument. Only 802.3 frames with DSAP/SSAP 0xaa are
+checked for type.
.SS arp
Specify arp fields. These will only work if the protocol equals
.BR ARP " or " RARP .