Which three modes are valid for forming an EtherChannel between the ports of two switches?
(Choose three.)
A.
Active/active
B.
Active/passive
C.
Passive/passive
D.
Auto/auto
E.
Auto/desirable
Desirable/on
E.
Auto/desirable
Desirable/on
To configure an EtherChannel using LACP negotiation, each side must be set to either active or passive; only interfaces configured in active mode will attempt to negotiate an EtherChannel. Passive interfaces merely respond to LACP requests. PAgP behaves the same, but its two modes are refered to as desirable and auto
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WRONG! Auto desirable will not form a channel.
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Correcting Auto and ON will not form a channel.
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