|Exam 400-101||Question id=152||Layer 2 Technologies|
After an EtherChannel is configured between two Cisco switches, interface port channel 1 is in the down/down state. SwitchA is configured with channel-group 1 mode active, while SwitchB is configured with channel-group 1 mode desirable.
Why is the EtherChannel bundle not working?
The switches are using mismatched EtherChannel negotiation modes.|
The switch ports are not configured in trunking mode.|
Priority must be configured on both switches.|
The channel group identifier must be different for SwitchA and SwitchB.|