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Command Mode
Global Configuration
Command Usage
Bridge priority is used in selecting the root device, root port, and
designated port. The device with the highest priority becomes the STA
root device. However, if all devices have the same priority, the device
with the lowest MAC address will then become the root device.
Example
bridge-group path-cost
Use this command to configure the spanning tree path cost for the
specified interface. Use the no form to restore the default.
Syntax
bridge-group bridge-group path-cost cost
no bridge-group bridge-group path-cost
• bridge-group - Bridge group index (bridge 1).
• cost - The path cost for the port. (Range: 1-65535)
The recommended range is:
- Ethernet: 50-600
- Fast Ethernet: 10-60
- Gigabit Ethernet: 3-10
Default Setting
• Ethernet – half duplex: 100; full duplex: 95; trunk: 90
• Fast Ethernet – half duplex: 19; full duplex: 18; trunk: 15
• Gigabit Ethernet – full duplex: 4; trunk: 3
Command Mode
Interface Configuration (Ethernet, Port Channel)
Console(config)#bridge 1 priority 40000
Console(config)#