CoreSW1(config)#in
CoreSW1(config)#interface range fa0/7-10
CoreSW1(config-if-range)#channel-gr
CoreSW1(config-if-range)#channel-group 1 ?
mode Etherchannel Mode of the interface
CoreSW1(config-if-range)#channel-group 1 mode on
CoreSW1(config-if-range)#
Creating a port-channel interface Port-channel 1
%EC-5-CANNOT_BUNDLE2: Fa0/7 is not compatible with Po1 and will be suspended (dtp mode of Fa0/7 is on, Po1is off )
