RAX120 version 108 blocks DHCP discovery on Mitel phone

[rar0331]

Hi,

    I have found that version .108 blocks my  Mitel IP phone from getting a IP address.  It hangs in discovery mode.  If I downgrade to .84 the problem goes away, but the router is unstable and keeps locking up.  Anyone else had a similar experience ?

     Thx

[michaelkenward]

Did you reset the router to factory settings after the firmware flash?

New firmware sometimes introduces changes that are not compatible with the old configuration.

So while it isn't guaranteed to fix problems a factory reset is the first thing to try if you have issues with new firmware.

This is a nuisance because you then have to reconfigure the device all over again.

You can backup your settings before you reset and restore them later. But that may just bring back the fault. Then again, at least you will know if the reset fixed the problem.

The factory reset is more a "witchcraft" move than a technically informed solution, but it does seem to fix problems, especially on the wifi front.