3Com WX4400 Reference Manual page 220

220 C 6: C
HAPTER ONFIGURING
WX S P
YSTEM ARAMETERS
The IEEE 802.1D spanning tree specifications refer to networking devices
that forward Layer 2 traffic as bridges. In this context, a WX switch is a
bridge. Where this manual or the product interface uses the term bridge,
you can assume the term is applicable to the WX switch.
To change the STP settings of a VLAN:
1 Access the VLAN table:
a Select the Configuration tool bar option.
b In the Organizer panel, click the plus sign next to the WX switch.
c Click the plus sign next to System.
d Select VLANs.
2 In the Content panel, select the VLAN.
3 In the Task List panel, select Spanning Tree.
This wizard configures STP features for an individual VLAN but does not
configure fast convergence features, which are global. (See "Enabling STP
Fast Convergence Features" on page 222.)
4 To enable STP, click Enabled.
5 In the Bridge Priority box, specify the priority of the STP bridge (0 to
65,535). The default is 32,768.
The bridge with the lowest priority value becomes the root bridge for the
spanning tree.
6 In the Max Age box, specify the maximum age value (6 to 40 seconds),
which controls how long information from other bridges is kept. The
default is 20 seconds.
7 In the Hello Time box, specify the interval (1 to 10 seconds) between each
configuration message from the root bridge. The default is 2 seconds.
8 In the Forward Delay box, specify the amount of time (4 to 30 seconds) a
bridge waits after a topology change to begin forwarding data packets.
The default is 15 seconds.
9 Click OK.