GE Multilink ML3000 - Page 219

CHAPTER 13: RAPID SPANNING TREE PROTOCOL RAPID SPANNING TREE PROTOCOL
MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL 13–11
Configuring RSTP (continued)
ML3000(rstp)## forceversion stp
ML3000(rstp)## show-forceversion
Force Version : Force to STP only
ML3000(rstp)## show stp config
RSTP CONFIGURATION
-----------------
Rapid STP/STP Enabled(Global) : YES
RSTP/STP Enabled Ports : 9,10,11,12,13,14,15,16
Protocol : Force to STP only
Bridge ID : 80:00:00:20:06:25:ed:89
Bridge Priority : 0
Bridge Forward Delay : 15
Bridge Hello Time : 02
Bridge Max Age : 20
Root Port : 0
Root Path Cost : 0
Designated Root : 80:00:00:20:06:25:ed:89
Designated Root Priority : 0
Root Bridge Forward Delay : 15
Root Bridge Hello Time : 02
Root Bridge Max Age : 20
Topology Change Count : 0
Time Since Topology Chg : 100
ML3000(rstp)## forceversion rstp
ML3000(rstp)## show-forceversion
Force Version : Normal RSTP
ML3000(rstp)## show stp config
RSTP CONFIGURATION
-----------------
Rapid STP/STP Enabled(Global) : YES
RSTP/STP Enabled Ports : 9,10,11,12,13,14,15,16
Protocol : Normal RSTP
Bridge ID : 80:00:00:20:06:25:ed:89
Bridge Priority : 0
Bridge Forward Delay : 15
Bridge Hello Time : 02
Bridge Max Age : 20
Root Port : 0
Root Path Cost : 0
Designated Root : 80:00:00:20:06:25:ed:89
Designated Root Priority : 0
Root Bridge Forward Delay : 15
Root Bridge Hello Time : 02
Root Bridge Max Age : 20
Topology Change Count : 0
Time Since Topology Chg : 141
ML3000(rstp)## show-timers
Forward Delay Timer : 15 sec
Hello Timer : 2 sec
The forceversion capability can be
used for compatibility with STP
devices. In this example, the switch is
forced to STP mode.
Using forceversion, the switch is now
operating using RSTP. Note the
show
stp config
command also indicates
the switch protocol is RSTP.