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Chapter 3 - Configuring the REX2
36 Campus-REX2 RS Interface Card User Manual
Viewing Spanning Tree Status
Access the Spanning Tree Status screen to view the configured
parameters as well as information about both the bridge Line and the
LAN ports. From the Bridge Configuration screen (page 3-32), type
then press to access the Spanning Tree Configuration screen.
Item 10 which allows you to view Spanning Tree Status is available only
when Spanning Tree Protocol is enabled.
1 To view Spanning Tree status, from the Spanning Tree Configuration
screen type + then press .
This screen displays configured parameters and statistics for Spanning
Tree Protocol. Spanning Tree Status indicates the following:
• Root Bridge indicates the MAC address of the root bridge. You are
notified when the Campus-REX2 is designated the root bridge.
• Root Port, Root Bridge Priority, and Root Path Cost indicates
the calculated values for each of these functions for the
Campus-REX2 after the resolution of Spanning Tree (resolves
network topology).
• Root Max Age indicates the reported maximum age for Spanning
Tree information before it is discarded.
• Root Hello Time is the reported time interval in seconds when the
Campus-REX2 sends Spanning Tree Protocol packets (BPDUs).
2
ENTER
1 0 ENTER
Jul 07, 2003 ADC TELECOMMUNICATIONS, CAMPUS RS, Version 5.1 08:19:34
Local Unit ID: Local I/F: REX2
Remote Unit ID: Remote I/F: REX2
Circuit ID:
SPANNING TREE STATUS
Root Bridge: 00:20:A7:01:02:08 (this unit)
Root Port: 0
Root Bridge Priority: 32768
Root Path Cost: 0
Root Max Age (sec): 20
Root Hello Time (sec): 2
Root Forward Delay (sec): 15
Time since last Topology Change (sec): 25883
Number of Topology Changes: 4
LAN LINE
Port State: listening listening
Designated Bridge: 00:20:A7:01:02:08 00:20:A7:01:02:08
Designated Port ID: 1 2
Designated Port Cost: 0 0
(R)eturn (M)ain Menu
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