Cisco MDS 9000 Series Configuration Manual page 260

Verifying PortChannel Configuration
The show port-channel usage command displays details of the used and unused PortChannel
numbers.
Displays the PortChannel Usage
switch# show port-channel usage
Totally 3 port-channel numbers used
===================================
Used :
Unused:
Use the existing show commands to obtain further details on autocreated channel group attributes.
Autocreated PortChannels are indicated explicitly to help differentiate them from the manually
created PortChannels.
Displays the PortChannel Compatibility
switch# show port-channel compatibility-parameters
physical port layer
port mode
trunk mode
speed
port VSAN
port allowed VSAN list
Displays Autocreated PortChannels
switch# show interface fc1/1
fc1/1 is trunking
Hardware is Fibre Channel, FCOT is short wave laser
Port WWN is 20:0a:00:0b:5f:3b:fe:80
...
Receive data field Size is 2112
Beacon is turned off
Port-channel auto creation is enabled
Belongs to port-channel 123
...
Displays the Specified PortChannel Interface
switch# show port-channel database interface port-channel 128
port-channel 128
Administrative channel mode is active
Operational channel mode is active
Last membership update succeeded
Channel is auto created
First operational port is fc1/1
1 ports in total, 1 ports up
Ports:
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
242
77 - 79
1 - 76 , 80 - 256
fc1/1 [up] *
fibre channel or ethernet
E/AUTO only
Configuring PortChannels