GE MULTILINK ML2400 User Manual
Page 200
12–4
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
SPANNING TREE PROTOCOL (STP)
CHAPTER 12: SPANNING TREE PROTOCOL (STP)
forwarding state. The default is 15 seconds, with a range of 4 to 30 seconds.
• Root Bridge Hello Time: Indicates the designated root bridge's hello time. Hello
information is transmitted every 2 seconds.
• Root Bridge Max Age: Indicates the designated root bridge maximum age, after
which it discards the information as being old and receives new updates.
These variables can be changed using the “priority”, “cost”, “port” and “timers” commands
described later in this chapter.
Example 12-2 illustrates the
show stp
command with the
ports
parameter. The variables
listed in this example are defined as follows:
•
Port#
: indicates the port number. Value ranges from 01 to max number of ports in
the switch
•
Type
: indicates the type of port - TP indicates Twisted Pair
Example 12-1: Viewing STP configuration
ML2400#
show stp config
STP CONFIGURATION
-----------------
Spanning Tree Enabled(Global) : NO
Spanning Tree Enabled(Ports)
: YES, 9,10,11,12,13,14,15,16
Protocol
: Normal STP
Bridge ID
: 80:00:00:20:06:25:ed:80
Bridge Priority
: 32768
Bridge Forward Delay
: 15
Bridge Hello Time
: 2
Bridge Max Age
: 20
Root Port
: 0
Root Path Cost
: 0
Designated Root
: 80:00:00:20:06:25:ed:80
Designated Root Priority
: 32768
Root Bridge Forward Delay
: 15
Root Bridge Hello Time
: 2
Root Bridge Max Age
: 20
RSTP CONFIGURATION
-----------------
Rapid STP/STP Enabled(Global) : NO
ML2400#
Example 12-2: Viewing STP ports
ML2400#
show stp ports
STP Port Configuration
--------------------------------------------------------------------------------------
Port#
Type
Priority
Path Cost
State
Des. Bridge
Des. Port
--------------------------------------------------------------------------------------
09
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:09
10
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0a
11
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0b
12
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0c
13
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0d
14
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0e
15
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:0f
16
TP(10/100)
128
100
Disabled
80:00:00:20:06:25:ed:80
80:10
ML2400#