CHAPTER 13: RAPID SPANNING TREE PROTOCOL
RAPID SPANNING TREE PROTOCOL
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
13–11
Configuring RSTP (continued)
ML2400(rstp)##
forceversion stp
ML2400(rstp)##
show-forceversion
Force Version : Force to STP only
ML2400(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
ML2400(rstp)##
forceversion rstp
ML2400(rstp)##
show-forceversion
Force Version : Normal RSTP
ML2400(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
ML2400(rstp)##
show-timers
Forward Delay Timer : 15 sec
Hello Timer
: 2 sec
Max Age
: 20 sec
(continued on next page)
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.