Web Management Guide-R04

Table Of Contents
Chapter 7
| Spanning Tree Algorithm
Configuring Multiple Spanning Trees
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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.
Parameters
These parameters are displayed:
MST ID – Instance identifier to configure. (Range: 0-4094)
VLAN ID – VLAN to assign to this MST instance. (Range: 1-4094)
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)
Web Interface
To create instances for MSTP:
1. Click Spanning Tree, MSTP.
2. Select Configure Global from the Step list.
3. Select Add from the Action list.
4. Specify the MST instance identifier and the initial VLAN member. Additional
member can be added using the Spanning Tree > MSTP (Configure Global -
Add Member) page. If the priority is not specified, the default value 32768 is
used.
5. Click Apply.
Figure 129: Creating an MST Instance