SMC Networks 10/100 Manual De Usuario
S
PANNING
T
REE
C
OMMANDS
3-117
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
• Gigabit Ethernet – full duplex: 4; trunk: 3
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• This command is used by the spanning-tree algorithm to
determine the best path between devices. Therefore, lower
values should be assigned to ports attached to faster media, and
higher values assigned to ports with slower media.
values should be assigned to ports attached to faster media, and
higher values assigned to ports with slower media.
• Path cost takes precedence over port priority.
Example
spanning-tree port-priority
Use this command to configure the priority for the specified
interface. Use the no form to restore the default.
interface. Use the no form to restore the default.
Syntax
spanning-tree port-priority priority
no spanning-tree port-priority
no spanning-tree port-priority
priority - The priority for a port. (Range: 0-255)
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree cost 50
Console(config-if)#
Console(config-if)#spanning-tree cost 50
Console(config-if)#