[Freeswitch-users] TFTP Server & Cisco 7540

Dave Stevenson stevendt at primrosebank.net
Thu Nov 19 10:25:42 PST 2009


Thanks Guys,

I had not realised until the last couple of days that DHCP did more than 
just providing the IP address to the client. I have been happily just doing 
that for a few years now without anything other than my Router providing the 
DHCP function. It's only now that I have taken the plunge into IP telephony 
that I realise that it can do more and for Cisco phones, should provide the 
address of the TFTP server. My work-around at the moment is to used fixed IP 
addresses in the phone for it's own IP address and the TFTP server - not as 
neat as I would like, but it works. I will look at a better long term 
solution with a different DHCP server (as already mentioned earlier in this 
thread).

Looking on the bright side, I have got the phone provisioned - though I'm 
still working out what all the options are, but it is working.

As Brian has spotted - my reference to a 7540 was an error - I got in right 
in the body of the original post, but not when I edited the subject line - 
oooops - sorry.

The phone is a 7940 !

regards
Dave



----- Original Message ----- 
From: "Karl J. Vesterling" <kjv at ken-ton.com>
To: <freeswitch-users at lists.freeswitch.org>
Sent: Thursday, November 19, 2009 6:11 PM
Subject: Re: [Freeswitch-users] TFTP Server & Cisco 7540


> Yeah, roger that...
> Here is an excerpt from the page I did on the Cisco 7960G HowTo:
>
> http://wiki.freeswitch.org/wiki/Freeswitch_Cisco_7960G_Howto
>
> It's for Linux, but you'll get some good pointers on the TFTP option 
> you're looking for.
> I haven't provisioned any 7540's...  Good luck!
>
> Best Regards,
> Karl J. Vesterling
> kjv at ken-ton.com
> 202-461-3231 x0
>
> On Nov 19, 2009, at 11:55 AM, Brian West wrote:
>
>> Some Cisco phones need DHCP option 150.
>>
>> /b
>>
>> On Nov 19, 2009, at 10:46 AM, Dave Stevenson wrote:
>>
>>> Metik,
>>>
>>> thanks a lot for the tip, I will certainly look at it, particularly
>>> if it
>>> does DHCP too.
>>>
>>> At the moment, I use my ADSL Router to provide DHCP to the network
>>> but I've
>>> just discovered that you can't configure options in its DHCP server
>>> to point
>>> to the TFTP server for the phone. At the moment, I have to have the
>>> phone
>>> set to a static IP address to be able to configure the TFTP server
>>> address
>>> which is not as flexible as using DHCP. I had thought about changing
>>> over to
>>> use Windows Server DHCP services but it sounds like ttpd32 would do
>>> the
>>> trick.
>>>
>>> I just need to decide whether I want all of my machines to rely on
>>> getting
>>> their IP address from another PC - it feels like having DHCP in the
>>> router
>>> is more robust.
>>>
>>> Regards
>>> Dave
>>
>>
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