3Com CoreBuilder 9000 Device View User Manual page 44

44 C 4: A
HAPTER DVANCED
M T
ANAGEMENT ASKS
Table 5 VLAN Features (continued)
Layer 2
Modules
and
Switch
Fabric
Feature Module
Ignore STP No
mode
Layer 3
Modules Description
Yes, in Ignores the blocking Spanning Tree Protocol
allClosed (STP) mode for the ports of a designated VLAN.
mode (One instance of STP runs on the module, but
you can disable it on a per-VLAN basis.) This
mode, only available in allClosed mode, is dis-
abled by default. You select (on a per-VLAN
basis), which VLANs ignore STP blocked ports.
It is typically used for VLANs with router inter-
faces that ignore the STP state. This mode
allows routing over a port that is blocked by
STP.