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Spanning Tree Commands
4-203
4
mst vlan
This command adds VLANs to a spanning tree instance. Use the
no
form to remove
the specified VLANs. Using the
no
form without any VLAN parameters to remove all
VLANs.
Syntax
[
no
]
mst
instance_id
vlan
vlan-range
•
instance_id
- Instance identifier of the spanning tree. (Range: 0-4094)
•
vlan-range
- Range of VLANs. (Range: 1-4094)
Default Setting
none
Command Mode
MST Configuration
Command Usage
• Use this command to group VLANs into spanning tree instances. MSTP
generates a unique spanning tree for each instance. This provides multiple
pathways across the network, thereby balancing the traffic load, preventing
wide-scale disruption when a bridge node in a single instance fails, and
allowing for faster convergence of a new topology for the failed instance.
• By default all VLANs are assigned to the Internal Spanning Tree (MSTI 0) that
connects all bridges and LANs within the MST region. This switch supports up
to 58 instances. You should try to group VLANs which cover the same general
area of your network. However, remember that you must configure all bridges
within the same MSTI Region (page 4-204) with the same set of instances,
and the same instance (on each bridge) with the same set of VLANs. Also,
note that RSTP treats each MSTI region as a single node, connecting all
regions to the Common Spanning Tree.
Example
mst priority
This command configures the priority of a spanning tree instance. Use the
no
form
to restore the default.
Syntax
mst
instance_id
priority
priority
no mst
instance_id
priority
•
instance_id
- Instance identifier of the spanning tree. (Range: 0-4094)
•
priority
- Priority of the 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)
Console(config-mstp)#mst 1 vlan 2-5
Console(config-mstp)#
Summary of Contents for 8126PL2-F
Page 1: ...MANAGEMENT GUIDE ta TigerSwitchTM 10 100 1000 L2 Lite SMB PoE Gigabit Switch SMC8126PL2 F ...
Page 2: ......
Page 6: ...vi ...
Page 22: ...Contents xxii ...
Page 26: ...Tables xxvi ...
Page 48: ...Initial Configuration 2 10 2 ...
Page 117: ...User Authentication 3 69 3 Web Click Security AAA Summary Figure 3 43 AAA Accounting Summary ...
Page 590: ...Command Line Interface 4 302 4 ...
Page 604: ...Glossary Glossary 8 ...
Page 612: ...Index 8 Index ...
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Page 614: ...149100000023A R01 SMC8126PL2 F ...