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44 C
HAPTER
4: A
DVANCED
M
ANAGEMENT
T
ASKS
Ignore STP
mode
No Yes, in
allClosed
mode
Ignores the blocking Spanning Tree Protocol
(STP) mode for the ports of a designated VLAN.
(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.
Table 5 VLAN Features (continued)
Feature
Layer 2
Modules
and
Switch
Fabric
Module
Layer 3
Modules Description