I've got a Cisco 7960 IP Phone (firmware version at present: 3.1) on my network that is configured to use my desktop machine as a TFTP server.
The phone connects to the DHCP server fine, and is visible on the network. The phone tries to connect to the TFTP server and request the files. The TFTP server that I'm using (the solarwinds one for windows) logs the request for each file requested, but returns a timeout error without transferring the file. The phone gives the same error.
After monitoring the packets with Ethereal, I've found that the TFTP packets sent from the 7960 are malformed.
Does anyone have any advice that would help me get this working?
I have the same problem! TFTP server can not be a reson of malformed packets from 7960-phone! But i've tryed a lot of tftp-servers, and problem hasn't decided! I have not any idea about reason of this serious problem!
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