Nortel Networks 40M2420 manual Info/l2/cist, Common Internal Spanning Tree Information

Alteon OS Command Reference

/info/l2/cist

Common Internal Spanning Tree Information

Common Internal Spanning Tree:
VLANs:	2-4094
Current Root:		Path-Cost Port MaxAge FwdDel
8000	00:11:58:ae:39:00		0	0	20	15
Cist Regional Root:		Path-Cost
8000	00:11:58:ae:39:00		0
Parameters: Priority		MaxAge	FwdDel	Hops
	32768	20	15	20

Port	Prio	Cost	State	Role Designated Bridge	Des Port Hello 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 *
MGT1	0	0	FWD *
MGT2	0	0	DSB *	DESG 8000-00:11:58:ae:39:00	8011	2	P2P
EXT1	128	20000	FWD
EXT2	128	20000	DISC	BKUP 8000-00:11:58:ae:39:00	8011	2	P2P
EXT3	128	20000	FWD	DESG 8000-00:11:58:ae:39:00	8013	2	P2P
EXT4	128	20000	DISC	BKUP 8000-00:11:58:ae:39:00	8013	2	Shared
EXT5	128	20000	FWD	DESG 8000-00:11:58:ae:39:00	8011	2	P2P
EXT6	128	20000	FWD	DESG 8000-00:11:58:ae:39:00	8011	2	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.

In addition to seeing if Common Internal Spanning Tree (CIST) is enabled or disabled, you can view CIST bridge information, including the following:

„Priority

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