Reference Guide

Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.2.1.0
Introduced on the E-Series.
spanning-tree msti
Configure multiple spanning tree instance cost and priority for an interface.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
spanning-tree msti instance {cost cost | priority priority}
Parameters
msti instance Enter the keyword msti and the MST instance number. The range is
zero (0) to 63.
cost cost (OPTIONAL) Enter the keyword cost followed by the port cost value.
The range is 1 to 200000. The defaults are:
• 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. The range is 0 to 240. The default is 128.
Defaults
• cost = depends on the interface type
• priority = 128
Command Modes INTERFACE
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
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