Allied Telesis SwitchBlade x3100 Series Manual page 397

Example (R)STP Configuration - Standard VLAN
TABLE 4-12
Step Command
show stp
6
--- STP Information -------------------------------------------------------------
Spanning Tree Type...................... RSTP
Instance Name......................... MAIN (0)
Instance State........................ ENABLED
Root Bridge ID Priority................. 32768
Root Bridge ID MAC Address............ 00:0C:25:00:06:AD
Max Age (seconds)..................... 20
Hello Time (seconds).................. 2
Forward Delay (seconds)............... 15
Bridge ID Priority...................... 32768 (priority 32768 mstid 0)
Bridge ID MAC Address................. EC:CD:6D:03:10:CB
Bridge Max Age (seconds).............. 20
Bridge Hello Time (seconds)........... 2
Bridge Forward Delay (seconds)........ 15
Int Role
----- ---------- ---------- ---------- ----------- -------------------------
0.0 ALTERNATE
0.20 DESIGNATED
0.21 DESIGNATED
0.22 ROOT
1.2 DESIGNATED
1.3 DESIGNATED
11.0 DESIGNATED
Switch the SBx3112 from a designated bridge to the root bridge
set stp priority 1000
7
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
Configuration Procedure for RSTP
State Cost
DISCARDING 20000 128.321
FORWARDING 200000 128.341
FORWARDING 200000 128.342
FORWARDING 20000 128.343
FORWARDING 2000 128.387
FORWARDING 2000 128.388
FORWARDING 20000 128.1025
Description/Notes
Prio.Number Type
RSTP
RSTP
RSTP
RSTP
RSTP
RSTP
RSTP
Reduces the priority from 32768 to 1000
(rounded down to 0). This results in the
SBx3112 switching from a designated bridge to
the root bridge.
Introduction
4-77