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Alteon OS Command Reference
Chapter 4: The Information Menu
8540M2420, April 2007
/info/l2/stg
RSTP/MSTP Information
NOTE – The sample screens that appear in this document might differ slightly from the screens
displayed by your system. Screen content varies based on the type of BladeCenter unit that you
are using and the firmware versions and options that are installed.
The switch software can be set to use the IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
or the IEEE 802.1s Multiple Spanning Tree Protocol (MSTP).
If RSTP/MSTP is turned on (see page 225), you can view RSTP/MSTP bridge information for
the Spanning Tree Group, including the following:
Priority
Hello interval
Maximum age value
Spanning Tree Group 1: On (RSTP)
VLANs: 1
Current Root: Path-Cost Port Hello MaxAge FwdDel
8000 00:11:58:ae:39:00 0 EXT4 2 20 15
Parameters: Priority Hello MaxAge FwdDel Aging
32768 2 20 15 300
Port Prio Cost State Role Designated Bridge Des Port Type
----- ---- --------- ----- ---- ---------------------- -------- -----
INT1 0 0 DSB *
INT2 0 0 DSB *
INT3 0 0 FWD *
INT4 0 0 DSB *
INT5 0 0 DSB *
INT6 0 0 DSB *
INT7 0 0 DSB *
INT8 0 0 DSB *
INT9 0 0 DSB *
INT10 0 0 DSB *
INT11 0 0 DSB *
INT12 0 0 DSB *
INT13 0 0 DSB *
INT14 0 0 DSB *
EXT1 128 2000 FWD DESG 8000-00:11:58:ae:39:00 8011 P2P
EXT2 128 2000 DISC BKUP 8000-00:11:58:ae:39:00 8011 P2P
EXT3 128 2000 FWD DESG 8000-00:11:58:ae:39:00 8013 P2P
EXT4 128 20000 DISC BKUP 8000-00:11:58:ae:39:00 8013 Shared
EXT5 128 2000 FWD DESG 8000-00:11:58:ae:39:00 8011 P2P
EXT6 128 2000 FWD DESG 8000-00:11:58:ae:39:00 8011 P2P
* = STP turned off for this port.