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New Member

FastEthernet0/14 failed front-end loopback test

Could anyone please explain what the following means and how did it happened? You assistance will be greatly appreciated. Thanks!

PCPM2924A#show post

FastEthernet0/14 failed front-end loopback test

FastEthernet0/17 failed front-end loopback test

FastEthernet0/18 failed front-end loopback test

FastEthernet0/19 failed front-end loopback test

FastEthernet0/20 failed front-end loopback test

PCPM2924A#

1 REPLY
New Member

Re: FastEthernet0/14 failed front-end loopback test

Hey Edbuera,

During the startup process the switch detected few bad ports. Those ports will not work because the hardware is bad. The only thing you could do is ask cisco to replace it.

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