3Com OfficeConnect WX1200, Command Reference Manual

Page: 414 / 646

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
„
display spantree on page 398
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