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spanning-tree mst cost (4-240)
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 - Stack unit. (Range: 1-8)
- port - Port number. (Range: 1-25/49)
• port-channel channel-id (Range: 1-32)
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#