[cisco-voip] 7940 invalid protocol

Craig Staffin craig at staffin.org
Thu Apr 5 13:30:50 EDT 2007


invalid protocal comes up usually when SSON 150 is not set in the DHCP scope

Craig

On 4/5/07, Voll, Scott <Scott.Voll at wesd.org> wrote:
>
>  I downgraded some phones last night to get my broadcast paging working.
>
>
>
> Now I have some phones that didn't booted up but display a "invalid
> protocol" on the screen.  They have unplugged and plugged back in and still
> no good.  How do I fix this?  I only reset 50 phones at a time so it
> shouldn't have been an overwhelmed TFTP server.
>
>
>
> Thoughts?
>
>
>
> Scott
>
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>
>


-- 
Craig Staffin
Craig at staffin.org
(H) 262-437-7313
(C) 262-613-6003
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