Rack1SW2(config)#int range fa0/16 – 17
Rack1SW2(config-if-range)#channel-group 1 mode desirable
Creating a port-channel interface Port-channel 1
00:42:18: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/16, changed state to down
00:42:19: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/17, changed state to down
00:42:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to up
00:42:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/17, changed state to up
00:42:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/16, changed state to up
00:42:22: %LINK-3-UPDOWN: Interface Port-channel1, changed state to up
Rack1SW2(config-if-range)#
Mode desirable as Sw2 has to negotiate the portchannel.
Verify that the portchannel is up:
Rack1SW2#show etherchannel 1 port-channel
…
Ports in the Port-channel:
Index Load Port EC state No of bits
——+——+——+——————+———–
0 00 Fa0/16 Desirable-Sl 0
0 00 Fa0/17 Desirable-Sl 0
