Information Commands

Table 25 Common Internal Spanning Tree parameter descriptions

 

 

Parameter

Description

 

 

Role

Shows the current role of this port in the Spanning Tree. The port role can be one of

 

the following: Designated (DESG), Root (ROOT), Alternate (ALTN), Backup (BKUP),

 

Master (MAST).

 

 

Designated Bridge

Shows information about the bridge connected to each port, if applicable. Information

 

includes the priority (hex) and MAC address of the Designated Bridge.

 

 

Designated Port

The port ID of the port on the Designated Bridge to which this port is connected.

 

Information includes the port priority (hex) and the port number (hex).

 

 

Hello

The hello time parameter specifies, in seconds, how often the root bridge transmits a

 

configuration bridge protocol data unit (BPDU). Any bridge that is not the root bridge

 

uses the root bridge hello value.

 

 

Type

Type of link connected to the port, and whether the port is an edge port. Link type

 

values are AUTO, P2P, or SHARED.

 

 

Trunk group information

The following command displays Trunk Group information:

show portchannel information

Command mode: All

Trunk group 1, Enabled

port state:

20:STG 1 forwarding

21:STG 1 forwarding

When trunk groups are configured, you can view the state of each port in the various trunk groups.

NOTE: If Spanning Tree Protocol on any port in the trunk group is set to forwarding, the remaining ports in the trunk group are set to forwarding.

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