Entering Mst Configuration Mode - Cisco Nexus 5000 Series Configuration Manual
Nx-os layer 2 switching configuration guide, release 5.0(3)n1(1)
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Also See for Nexus 5000 Series:
- Cli configuration manual (660 pages) ,
- Configuration manual (334 pages) ,
- Command reference manual (196 pages)
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Entering MST Configuration Mode
SUMMARY STEPS
1. switch# configure terminal
2. switch(config)# spanning-tree mode mst
3. (Optional) switch(config)# no spanning-tree mode mst
DETAILED STEPS
Command or Action
Step 1
switch# configure terminal
Step 2
switch(config)# spanning-tree mode mst
Step 3
switch(config)# no spanning-tree mode mst
This example shows how to enable MST on the switch:
switch# configure terminal
switch(config)# spanning-tree mode mst
Note
Because STP is enabled by default, entering a show running-config command to view the resulting
configuration does not display the command that you entered to enable STP.
Entering MST Configuration Mode
You enter MST configuration mode to configure the MST name, VLAN-to-instance mapping, and MST
revision number on the switch.
For two or more switches to be in the same MST region, they must have the identical MST name,
VLAN-to-instance mapping, and MST revision number.
Each command reference line creates its pending regional configuration in MST configuration mode. In
Note
addition, the pending region configuration starts with the current region configuration.
When you are working in MST configuration mode, note the difference between the exit and abort commands.
Cisco Nexus 5000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.0(3)N1(1)
182
Configuring Multiple Spanning Tree
Purpose
Enters configuration mode.
Enables MST on the switch.
(Optional)
Disables MST on the switch and returns you to Rapid
PVST+.
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