Configuring VLANs 197
■ MSS uses PVST+ BPDUs on VLAN ports that are tagged. PVST+ BPDUs
include tag information in the 802.1Q field of the BPDUs. MSS runs a
separate instance of PVST+ on each tagged VLAN.
When you create a VLAN, STP is disabled on the new VLAN by default,
regardless of the STP state of other VLANs on the WX switch.
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 configure STP:
1 In the Create VLAN wizard, click Spanning Tree Setup. The Spanning
Tree Setup page appears.
This page does not contain options for enabling fast convergence
features. (See Figure on page 205.)
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