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c3560 PoE does not work with Nortel i2004 phones ???

I have a cisco switch 3560 w PoE

I have configured the ports for IP phones.

I have plugged the Nortel i2004 phones into the ports but ... no power

The port shows is err-disable state.

If I disconnect the IP phone, do a sh-no sh then the port shows UP UP for aprox 15 sec, then gets back into err-disabled state

Any idea ?

Thank you,

1 REPLY
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Re: c3560 PoE does not work with Nortel i2004 phones ???

i2004 are 802.3af compliant. Please check if current IOS supports 802.3af. Earler IOS versions only supported cisco poe.

What happens if you disable CDP on that port?

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