Brocade 6910 Ethernet Access Switch Configuration Guide (Supporting R2.2.0.0) - Manual (Page 407)

Brocade 6910 Ethernet Access Switch Configuration Guide 351
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Spanning Tree Commands
spanning-tree protocol-migration
This command re-checks the appropriate BPDU format to send on the selected interface.
Syntax
spanning-tree protocol-migration interface
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12)
port-channel channel-id (Range: 1-12)
Command Mode
Privileged Exec
Command Usage
If at any time the switch detects STP BPDUs, including Configuration or Topology Change
Notification BPDUs, it will automatically set the selected interface to forced STP-compatible mode.
However, you can also use the spanning-tree protocol-migration command at any time to manually
re-check the appropriate BPDU format to send on the selected interfaces (i.e., RSTP or
STP-compatible).
Example
Console#spanning-tree protocol-migration eth 1/5
Console#
show spanning-tree
This command shows the configuration for the common spanning tree (CST), for all instances
within the multiple spanning tree (MST), or for a specific instance within the multiple spanning tree
(MST).
Syntax
show spanning-tree [interface | mst instance-id | brief | stp-enabled-only]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12)
port-channel channel-id (Range: 1-12)
instance-id - Instance identifier of the multiple spanning tree.
(Range: 0-4094)
brief - Shows a summary of global and interface settings.
stp-enabled-only - Displays global settings, and settings for interfaces for which STP is
enabled.