The line protocol on fastethernet 0/1 of my cisco 2811 refuses to come up. i have enabled the interface wit no shut. i don't know what could be wrong. however the line protocol of Fa0/0 of the same device comes up and is working with the same ethernet cable. i have tried making new cables, they always work with fa0/0 but not fa0/1, i have even replaced the IOS image still no solution. could it be a hardware problem? the show interface indicates interface is up but line protocol is down. help please.
Thanks Scot have tried various method but did not work. used a cross cable also but it could not come up. fooled the interface with no keepalive command then it came up, i suspect a hardware problem. But am still waiting if i can get any help.
Can you give us details of what is connected on FA0/1 and how it is connected? And it might also help if you would post interface configs.
Is it possible to (temporarily) move whatever is connected on FA0/1 to FA0/0? (perhaps move device and cable to FA0/0 and if it still does not work then put the device from FA0/1 onto the cable of FA0/0).
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