We seem to send 3 extra bytes in a TCN, which will be whatever happens to be on the stack. Thanks to Aji_Srinivas at emc.com for seeing. Signed-off-by: Stephen Hemminger <shemminger at osdl.org> diff -Naur a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c --- a/net/bridge/br_stp_bpdu.c 2006-09-03 23:40:08.000000000 +0530 +++ b/net/bridge/br_stp_bpdu.c 2006-09-03 23:40:33.000000000 +0530 @@ -121,7 +121,7 @@ buf[1] = 0; buf[2] = 0; buf[3] = BPDU_TYPE_TCN; - br_send_bpdu(p, buf, 7); + br_send_bpdu(p, buf, 4); } /*
