Topic: 350-401 topic 1 question 225

Refer to the exhibit.

The EtherChannel between SW2 and SW3 is not operational. Which action resolves this issue?

A.
Configure the channel-group mode on SW3 Gi0/0 and Gi0/1 to active.
B.
Configure the mode on SW2 Gi0/0 to trunk.
C.
Configure the channel-group mode on SW2 Gi0/0 and Gi0/1 to on.
D.
Configure the mode on SW2 Gi0/1 to access.

Re: 350-401 topic 1 question 225

Wrong exhibit, missing channel-group 1 mode active under g0/0.
Fixed exhibit: https://ibb.co/BgC7K4H

Re: 350-401 topic 1 question 225

Thank you sir

Re: 350-401 topic 1 question 225

Question and answers are wiered:
-according to config snippet SW2 G0/0 is not configured to participate in the channel
-according to show command none of the Interfaces is participating in the Channel But i can't find a mistake why G0/1 is not working.
The given answer is the best i can find, but it will not fix that all interfaces participate in teh channel afterwards

Re: 350-401 topic 1 question 225

this exhibit makes few sense anyway as LACP on the gi0/1 should converge

Re: 350-401 topic 1 question 225

No correct answer, just tested all of the answers and nothing works. it should be choose two then set the port to trunk and enable LACP.

Re: 350-401 topic 1 question 225

Sw2 Gi0/0... has switchport mode access... easy. Answer is B.

Re: 350-401 topic 1 question 225

Can someone explain why Gi0/1 is down if everything is matching correctly?

Re: 350-401 topic 1 question 225

Clearly the G0/0 link is the problem, but wondered why G0/1 would not come up.
Then realized not only is there a link state mismatch, but the Ethernet pair on the same switch is a mismatch so LACP throws the whole thing out, even though G0/1 between switches is a match

Re: 350-401 topic 1 question 225

2 configurations need to be done
#1 on SW2 need to set G0/0 to Trunk
#2 on SW2 need to set G0/0 to LACP Mode Active < If you don't set this up it will not bundle and it will be missing the config.

Re: 350-401 topic 1 question 225

Apparently the exhibit given here has that cut off.
But it has to be implied it is there, since show eth summ shows that G0/0 is a candidate.

Re: 350-401 topic 1 question 225

TCKOON is right the immage is missing the channel-group 1 mode active statement but if you google it you will find the right picture.

Re: 350-401 topic 1 question 225

easy one, b is correct

Re: 350-401 topic 1 question 225

Answer B is correct.
Just the typo in SW2 Gi0/0 config snippet. Where ther is missing " channel-group 1 mode active".

SW2 Gi0/0 , switchport mode access need to chagne to trunk.

Re: 350-401 topic 1 question 225

The answer B would not bring the etherchannel up. For the etherchannel to be up, we need 'channel-group 1 mode active on SW2 go0/0.' There are two issues in the config of Gi0/0 of SW2.

Re: 350-401 topic 1 question 225

wasn't trunk mode known to be sending out DTP packets, despite being a static configuration? when we use 'swi mode trunk' by default dtp packets will be sent unless we issue 'switchport nonegotiate'

Re: 350-401 topic 1 question 225

But switchport nonegotiate IS configured.

Re: 350-401 topic 1 question 225

All the physical interfaces in the ether-channel must have the same config (access/trunk, allowed VLANs, duplex, speed) to form logical channel. Correct answer is B