Chapter 21: Multiple Spanning Tree Protocol (MSTP) Commands
394 Section III: Layer 2 Switching
SET MSTP CIST PORT
Syntax
set mstp cist port[=
port_list
|all] priority=
priority
[inpathcost=
inpathcost
|default|auto]
[expathcost=
expathcost
|default|auto]
[edgeport=yes|no|on|off|true|false]
[pointtopoint=yes|no|off|true|false|auto]
[migrationchech=yes|on|true]
Parameters
port_list
Specifies a list of ports. To specify multiple ports, use a comma (,)
to separate them. To specify a range of ports, use a hyphen (-).
all
Specifies all the switch ports.
priority
Specifies the port priority for CIST. The smaller number has higher
priority to be a root port.The range is 0 to 255. The default value is
128. The switch converts the specified number into an increment of
16, which is lose to and smaller than the specified number. For
example, when you specifies 70, the switch sets the priority to 64.
inpathcost
Specifies the cost of the path to the CIST root bridge in the MST
region.
inpathcost
Specifies the inpathcost. The range is 1 to 200,000,000. See
Table 45 for the recommended cost and default costs per speed.
default
Returns the setting to the default value.
Table 45. In-Path Costs
Port Speed Recommended Cost Default Cost
10 Mbps 200,000 to 2,000,000 2,000,000
100 Mbps 20,000 to 200,000 200,000
1000 Mbps 2,000 to 20,000 20,000
Trunk Ports
(10/100/1000 Mbps)
None (The past cost is
always 2,000.)
2,000
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