Spanning-tree cost, Spanning-tree cost -16 – SMC Networks TigerAccess SMC7816M User Manual

Page 796

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S

PANNING

T

REE

C

OMMANDS

31-16

Example
This example disables the spanning tree algorithm for port 5.

spanning-tree cost

This command configures the spanning tree path cost for the specified
interface. Use the no form to restore the default auto-configuration mode.

Syntax

spanning-tree cost cost
no spanning-tree cost

cost - The path cost for the port.
(Range: 0 for auto-configuration, 1-65535 for short path
cost method

34

, 1-200,000,000 for long path cost method)

Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree spanning-disabled
Console(config-if)#

Table 31-2 Recommended STA Path Cost Range

Port Type

IEEE 802.1D-1998

IEEE 802.1w-2001

Fast Ethernet

10-60

20,000-2,000,000

Gigabit Ethernet

3-10

2,000-200,000

Table 31-3 Recommended STA Path Cost

Port Type

Link Type

IEEE 802.1D-1998

IEEE 802.1w-2001

Fast
Ethernet

Half Duplex
Full Duplex
Trunk

19
18
15

200,000
100,000
50,000

Gigabit
Ethernet

Full Duplex
Trunk

4
3

10,000
5,000

34. Use the spanning-tree pathcost method command on page 31-9 to set the path cost method.

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