Specifications

Switching show mstp cist port 8-191
Software Release 2.7.3
C613-03098-00 REV A
show mstp cist port
Syntax SHow MSTp CIST POrt[={port-list|ALL}]
where port-list is a port number, range (specified as n-m), or comma-separated
list of port numbers and/or ranges. Port numbers start at 1 and end at m,
where m is the highest numbered Ethernet switch port, including uplink ports.
Description This command displays the port information about the common internal
spanning tree (CIST). See Figure 8-24 on page 8-191, and Table 8-44 on
page 8-191.
The port parameter specifies the ports to display. If all is specified, all ports in
the switch are displayed.
Figure 8-24: Example output from the show mstp cist port command
CIST Port Information
----------------------------------------------------------------------------------
Port Number..............................1
Port Identifier........................127:1
Port Role..............................Designated Port
Port State.............................Forwarding
Port Number..............................2
Port Identifier........................127:2
Port Role..............................Designated Port
Port State.............................Forwarding
Port Number..............................3
Port Identifier........................127:3
Port Role..............................Designated Port
Port State.............................Forwarding
----------------------------------------------------------------------------------
Table 8-44: Parameters displayed in the output of the show mstp cist port command
Parameter Meaning
Port Number The number of the port in the switch.
Port Identifier The unique identifier of the port. This parameter
consists of two parts, one part is the port number,
and the other is the priority configured for the port.
Port Role The role of the port, this can be either; Disabled,
Alternate, Backup, Designated, or Root.
Port State The state of the port, this can be either; Disabled,
Discarding, Learning, or Forwarding.