14.
Multiple Spanning Tree Protocol (MSTP)
MN700004 Rev 01
161
MSTI Regional Root Identifier
MSTI Internal root path cost
MSTI Bridge Priority
MSTI Port Priority
MSTI Remaining hops
80 01 00 a0 12 11 29 92
00 00 00 00
80
80
28
MSTI2
Flags
MSTI Regional Root Identifier
MSTI Internal root path cost
MSTI Bridge Priority
MSTI Port Priority
MSTI Remaining hops
4e
80 02 00 a0 12 11 29 92
00 00 00 00
80
80
28
Table 14-8 Cisco BPDU parsed by a BiNOS device
F i e l d n a m e
V a l u e
N o t e
ETH Dest.
01 80 c2 00 00 00
ETH Src
00 08 a3 37 f1 c1
ETH Len
00 84
LLC
42 42 03
Protocol Identifier
00 00
Protocol version Identifier
03
BPDU type
02
CIST Flags
68
CIST Root Identifier
60 00 00 07 eb d5 a2 00
CIST Ext. Path Cost
00 00 00 00
CIST Bridge Identifier
60 00 00 07 eb d5 a2 00
CIST Port Identifier
80 01
Message age
00 00
Max age
14 00
Hello Time
02 00
Forward Delay
0f 00
Version 1 length (should be 0)
00
Matches the IEEE-802.1s
Extra byte
00
Version 3 length (Mrecords
total length)
00 5a
Refer to the Note below.