Nortel Networks 40M2420 manual Info/l2/stg, RSTP/MSTP Information

Alteon OS Command Reference

/info/l2/stg

RSTP/MSTP Information

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	*	DESG 8000-00:11:58:ae:39:00				8011	P2P
EXT1	128	2000	FWD
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.

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

40M2420, April 2007 Chapter 4: The Information Menu „ 85