Examples: The following command changes the maximum acceptable age for root bridge hello packets on all VLANs to 15 seconds:

DWS-1008# set spantree maxage 15 all success: change accepted.

See Also:

• show spantree

set spantree portcost

Changes the cost that transmission through a network port or ports in the default VLAN on a switch adds to the total cost of a path to the STP root bridge.

Syntax: set spantree portcost port-listcost cost

port-listList of ports. MSS applies the cost change to all the specified ports.

cost cost Numeric value. You can specify a value from 1 through 65,535. STP selects lower-cost paths over higher-cost paths.

Defaults: The default port cost depends on the port speed and link type. The table below lists the defaults for STP port path cost.

Port Speed

Link Type

Default Port Path

Cost

 

 

100 Mbps

Full Duplex Aggregate Link (Port Group)

19

100 Mbps

Full Duplex

18

100 Mbps

Half Duplex

19

10 Mbps

Full Duplex Aggregate Link (Port Group)

19

10 Mbps

Full Duplex

95

10 Mbps

Half Duplex

100

Access: Enabled.

Usage: This command applies only to the default VLAN (VLAN 1). To change the cost of a port in another VLAN, use the set spantree portvlancost command.

Examples: The following command changes the cost on ports 3 and 4 to 20:

DWS-1008# set spantree portcost 3,4 cost 20 success: change accepted.

See Also:

clear spantree portcost

clear spantree portvlancost

set spantree portvlancost

show spantree

show spantree portvlancost

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D-Link dws-1008 manual Set spantree portcost, Syntax set spantree portcost port-listcost cost