Command Line Reference Guide

676 | Multiple Spanning Tree Protocol (MSTP)
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Command
History
spanning-tree msti
c e s
Configure Multiple Spanning Tree instance cost and priority for an interface.
Syntax
spanning-tree msti instance {cost cost | priority priority}
To remove the cost or priority for the MST instance, use
no spanning-tree msti instance {cost cost | priority priority}
Parameters
Defaults
cost = depends on the interface type; priority = 128
Command Modes
INTERFACE
Command
History
spanning-tree mstp edge-port
c e s
Configures the interface as an Multiple Spanning Tree edge port and optionally a Bridge Protocol Data
Unit (BPDU) guard.
Syntax
spanning-tree mstp edge-port [bpduguard [shutdown-on-violation]]
Version 8.3.5.0 Introduced on the S55.
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
pre-Version 6.2.1.0 Introduced on E-Series
msti instance
Enter the keyword msti and the MST Instance number.
Range: zero (0) to 63
cost cost (OPTIONAL) Enter the keyword cost followed by the port cost value.
Range: 1 to 200000
Defaults:
100 Mb/s Ethernet interface = 200000
1-Gigabit Ethernet interface = 20000
10-Gigabit Ethernet interface = 2000
Port Channel interface with one 100 Mb/s Ethernet = 200000
Port Channel interface with one 1-Gigabit Ethernet = 20000
Port Channel interface with one 10-Gigabit Ethernet = 2000
Port Channel with two 1-Gigabit Ethernet = 18000
Port Channel with two 10-Gigabit Ethernet = 1800
Port Channel with two 100-Mbps Ethernet = 180000
priority priority Enter keyword priority followed by a value in increments of 16 as the priority.
Range: 0 to 240.
Default: 128
Version 8.3.5.0 Introduced on the S55.
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
Version 6.5.1.0 Introduced on E-Series