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1.Set the spanning tree type to MSTP (STA Configuration, page 3-130).
2. Enter the spanning tree priority for the selected MST instance (MSTP
VLAN Configuration).
3. Add the VLANs that will share this MSTI (MSTP VLAN
Configuration). Note: All VLANs are automatically added to the IST
(Instance 0).
To ensure that the MSTI maintains connectivity across the network, you
must configure a related set of bridges with the same MSTI settings.
Command Attributes
• MST Instance – Instance identifier of this spanning tree. (Default: 0)
• Priority – The priority of a spanning tree instance. (Range: 0-61440 in
steps of 4096; Options: 0, 4096, 8192, 12288, 16384, 20480, 24576,
28672, 32768, 36864, 40960, 45056, 49152, 53248, 57344, 61440;
Default: 32768)
• VLANs in MST Instance – VLANs assigned this instance.
• MST ID – Instance identifier to configure. (Range: 0-57; Default: 0)
• VLAN ID – VLAN to assign to this selected MST instance. (Range:
1-4094)
Web – Click Spanning Tree, MSTP, VLAN Configuration. Select an
instance identifier from the list, set the instance priority, and click Apply.
To add the VLAN members to an MSTI instance, enter the instance
identifier, the VLAN identifier, and click Add.