SV: SV: [Asterisk-Users] Cisco and "protocol application invalid"

[Tom Rymes]

Bjorn,

Save yourself the trouble with the console cable. Take a spare PC,  
install Asterisk at Home, setup  the included DHCP server, install the  
appropriate files in the /tftpboot directory, and plug the PC and the  
phone into the same switch.

Voila!

Tom

On Aug 26, 2005, at 12:48 PM, Bjørn Ove Kristiansen wrote:

> Thanks for the suggestions everyone!
>
> The thing is, when I run tcpdump, this phone never really requests  
> anything
> as far as I can see.
>
> The IP-address serving is not handled by the Asterisk box, which is  
> on its
> dedicated IP-address, but by a consumer type SMC Barricade 4-port  
> router.
> There's no option to define boot tftp on this device.
>
> I'm thinking of getting myself a console cable for the phone, and  
> see if I'm
> able to log in and set the variables using that. Don't know if  
> these cables
> can be purchased in stores or if they'll have to be hand made..
>
> My biggest problem is that I simply do not know which IP-address  
> the phone
> is searching for - if its searching for any IP address at all.
>
> Thanks again, have a great weekend.
>
> Bjorn
>
> -----Opprinnelig melding-----
> Fra: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] På vegne av Tom Rymes
> Sendt: 16. august 2005 16:47
> Til: Asterisk Users Mailing List - Non-Commercial Discussion
> Emne: Re: SV: [Asterisk-Users] Cisco and "protocol application  
> invalid"
>
> On Aug 15, 2005, at 11:28 AM, Bjørn Ove Kristiansen wrote:
>
>
>> Hello!
>>
>> The issue is simply that I don't know which IP address the phone
>> tries to
>> connect to. I am not very familiar with dhcpd (never put it up by
>> hand), so
>> I'm not sure how the below would help me, but from what I can tell,
>> I still
>> need information on which IP-address the phone is trying to find
>> its tftp
>> on, right?
>>
>> Bjorn
>>
>
> [snip]
>
>
>> Michiel van Baak wrote:
>>
>>
>>
>>> I have put this in my dhcpd.conf to make sure my cisco
>>> phones connect to my TFTP server:
>>> server-name "192.168.2.1";
>>>
>>>
>>>
>> I'd be surprised if that worked... the server name is for.. um.. the
>> name of the server :)
>>
>> Try:
>>
>> option tftp-boot-server code 150 = ip-address;
>> option tftp-boot-server 192.168.44.3;
>>
>
> [snip]
>
>
> Bjorn,
>
> The phone will use whatever TFTP server your DHCP server tells it to
> use. That is what the above line "option tftp-boot-server" is
> supposed to do, it tells your DHCP server what address to give your
> phone. If your DHCP server does not give the phone an address, and
> you have not specified one manually through the phone's settings
> interface, then it will  (in my experience) default to the same
> address as your DHCP server.
>
> What are you using for a DHCP server?
>
> Can you enter the settings interface of the phone if you leave the
> ethernet disconnected? (If so, manually specify the TFTP server
> address.)
>
> Tom_______________________________________________
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