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S
PANNING
T
REE
C
OMMANDS
4-220
Default Setting
• Ethernet – half duplex: 2,000,000; full duplex: 1,000,000; trunk:
500,000
• Fast Ethernet – half duplex: 200,000; full duplex: 100,000; trunk:
50,000
• Gigabit Ethernet – full duplex: 10,000; trunk: 5,000
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.
• Path cost takes precedence over port priority.
• When the spanning-tree pathcost method (page -212) is set to short,
the maximum value for path cost is 65,535.
Example
spanning-tree port-priority
This command configures the priority for the specified interface. Use the
no
form to restore the default.
Syntax
spanning-tree port-priority
priority
no spanning-tree port-priority
priority
priority
- The priority for a port. (Range: 0-240, in steps of 16)
Default Setting
128
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree cost 50
Console(config-if)#
Summary of Contents for 8648T - annexe 1
Page 2: ......
Page 34: ...INTRODUCTION 1 10 ...
Page 48: ...INITIAL CONFIGURATION 2 14 ...
Page 159: ...PORT CONFIGURATION 3 111 Figure 3 48 Displaying Etherlike and RMON Statistics ...
Page 411: ...DNS COMMANDS 4 167 ...
Page 536: ...COMMAND LINE INTERFACE 4 291 ...
Page 542: ...TROUBLESHOOTING B 2 ...
Page 555: ......