3com WX1200 User Manual

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414
C
HAPTER
 12: STP C
OMMANDS
Examples — The following command changes the maximum acceptable 
age for root bridge hello packets on all VLANs to 15 seconds:
WX4400# set spantree maxage 15 all
success: change accepted.
See Also
„
set spantree 
portcost
Changes the cost that transmission through a network port or ports in 
the default VLAN on a wireless LAN switch adds to the total cost of a 
path to the STP root bridge. 
Syntax — 
set spantree portcost port-list cost cost
„
port-list
 — List 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. Table 73 lists the defaults for STP port path cost. 
Table 73   SNMP Port Path Cost Defaults
Port Speed
Link Type
Default Port Path Cost
1000 Mbps
Full Duplex Aggregate 
Link (Port Group)
19
1000 Mbps
Full Duplex
4
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