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From Vasu D. Dasari via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7550 

Decode Provider Bridge GVRP Address

Packets with destination MAC address to be that of, provider bridge GVRP address
 or 01:80:c2:00:00:0d, the packets are decoded as STP packets 
with "Unknown BPDU type".

svn path=/trunk/; revision=44184
This commit is contained in:
Alexis La Goutte 2012-08-01 12:22:34 +00:00
parent 025200992d
commit 90ca174c9e
1 changed files with 2 additions and 1 deletions
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3
epan/dissectors/packet-bpdu.c
View File

@ -274,7 +274,7 @@ dissect_bpdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
dstaddr = pinfo->dl_dst.data;
if(dstaddr[0] == 0x01 && dstaddr[1] == 0x80 &&
dstaddr[2] == 0xC2 && dstaddr[3] == 0x00 &&
dstaddr[4] == 0x00 && ((dstaddr[5] & 0xF0) == 0x20)) {
dstaddr[4] == 0x00 && ((dstaddr[5] == 0x0D) || ((dstaddr[5] & 0xF0) == 0x20))) {
switch (dstaddr[5]) {
@ -284,6 +284,7 @@ dissect_bpdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
return;
case 0x21:
case 0x0D:
/* for GVRP */
call_dissector(gvrp_handle, tvb, pinfo, tree);
return;