Auto is passive, desireable is active
Acive is active, passive is passive, different manufacturers recommend configuring on
SW1 (config) #int range f0/1-2
SW1 (config-if-range) #channel-group?
<1-6> Channel Group number
SW1 (Config-if-range) #channel-group 1
% incomplete command.
SW1 (config-if-range) #channel-group?
<1-6> Channel Group number
SW1 (Config-if-range) #channel-group 1 mo
SW1 (Config-if-range) #channel-group 1 mode?
Active Enable LACP unconditionally
Auto Enable PAgP only if a PAgP device is detected
Desirable Enable PAgP unconditionally
On Enable Etherchannel only
Passive Enable LACP only if a LACP device is detected
SW1 (Config-if-range) #channel-group 1 mode on
SW1 (Config-if-range) #
Creating a Port-channel interface Port-channel 1
%link-5-changed:interface Port-channel 1, CHANGED state to up
%lineproto-5-updown:line protocol on Interface Port-channel 1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/2, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/2, changed
SW2 (Config-if-range) #channel-group 1 mode on
SW2 (Config-if-range) #
Creating a Port-channel interface Port-channel 1
%link-5-changed:interface Port-channel 1, CHANGED state to up
%lineproto-5-updown:line protocol on Interface Port-channel 1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/1, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/2, changed
%lineproto-5-updown:line protocol on Interface FASTETHERNET0/2, changed
Sw1#show EtherChannel Summary
CCNA Ethernet Channel Experiment