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12–4 MULTILINK ML1600 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
CONFIGURING STP CHAPTER 12: SPANNING TREE PROTOCOL (STP)
• Root Bridge Forward Delay: Indicates the designated root bridge forward delay. This
is the time the switch waits before switching from the listening to the 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 12-1: Viewing STP configuration
ML1600#
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
ML1600#