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Displaying the stp state of a port-based vlan – Brocade TurboIron 24X Series Configuration Guide User Manual

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Brocade TurboIron 24X Series Configuration Guide

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Configuring standard STP parameters

Displaying the STP state of a port-based VLAN

When you display information for a port-based VLAN, that information includes the STP state of the
VLAN.

To display information for a port-based VLAN, enter a command such as the following at any level of
the CLI. The STP state is shown in bold type in this example.

Syntax: show vlan [ | ethernet []

The parameter specifies a VLAN for which you want to display the configuration
information.

The parameter specifies a port. If you use this parameter, the command lists all the
VLAN memberships for the port. .

Displaying detailed STP information for each interface

To display the detailed STP information, enter the following command at any level of the CLI.

Design Cost

The cost to the root bridge as advertised by the designated bridge that is
connected to this port. If the designated bridge is the root bridge itself, then the
cost is 0. The identity of the designated bridge is shown in the Design Bridge field.

Designated Root

The root bridge as recognized on this port. The value is the same as the root
bridge ID listed in the Root ID field.

Designated Bridge

The designated bridge to which this port is connected. The designated bridge is
the device that connects the network segment on the port to the root bridge.

TABLE 88

CLI display of STP information (Continued)

This field...

Displays...

TurboIron#show vlans

Total PORT-VLAN entries: 2

Maximum PORT-VLAN entries: 16

legend: [S=Slot]

PORT-VLAN 1, Name DEFAULT-VLAN, Priority level0, Spanning tree On

Untagged Ports: (S3) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Untagged Ports: (S3) 17 18 19 20 21 22 23 24

Untagged Ports: (S4) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Untagged Ports: (S4) 18 19 20 21 22 23 24

Tagged Ports: None

Uplink Ports: None

PORT-VLAN 2, Name greenwell, Priority level0, Spanning tree Off

Untagged Ports: (S1) 1 2 3 4 5 6 7 8

Untagged Ports: (S4) 1

Tagged Ports: None

Uplink Ports: None