Dell 9.7(0.0) Spanning-tree, Usage Information Example Guard, Field Description Interface Name

Usage Information

Example (Guard)

Bridge Identifier has priority 32768, Address 0001.e801.6aa8 Configured hello time 2, max age 20, forward delay 15, max hops 20

We are the root of MSTI 0 (CIST)

Current root has priority 32768, Address 0001.e801.6aa8 CIST regional root ID Priority 32768, Address 0001.e801.6aa8 CIST external path cost 0

Number of topology changes 1, last change occured 00:00:15 ago on Te 1/1

Port 257 (TenGigabitEthernet 1/1) is LBK_INC Discarding Port path cost 20000, Port priority 128, Port Identifier 128.257

Designated root has priority 32768, address 0001.e801.6aa8 Designated bridge has priority 32768, address 0001.e801.6aa8 Designated port id is 128.257, designated path cost 0 Number of transitions to forwarding state 1

BPDU (MRecords): sent 21, received 9 The port is not in the Edge port mode

The following describes the show spanning-tree msti 5 guard command shown in the following example.

Field	Description
Interface Name	MSTP interface.
Instance	MSTP instance.
Sts	Port state: root-inconsistent (INCON Root), forwarding
	(FWD), listening (LIS), blocking (BLK), or shut down (EDS
	Shut).
Guard Type	Type of STP guard configured (Root, Loop, or BPDU guard).

Dell#show spanning-tree msti 5 guard

Interface		Sts Guard	type
Name	Instance
------------------------------------
Te 1/1	5	INCON(Root)	Rootguard
Te 1/2	5	FWD	Loopguard
Te 1/3	5	EDS(Shut)	Bpduguard

spanning-tree

Enable the multiple spanning tree protocol on the interface.

S6000

Syntaxspanning-tree

To disable the multiple spanning tree protocol on the interface, use the no spanning-treecommand.

1008 Multiple Spanning Tree Protocol (MSTP)