[cisco-voip] Changing TFTP address dynamically

[Wes Sisk]

The phone also attempts a DNS Lookup of ciscocm1 to locate its TFTP 
server.  Not sure what your DNS/NAT capabilities are, but you could use 
DHCP to poing the phone to different DNS servers for each cluster.

http://www.cisco.com/en/US/customer/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00803eda84.html#wp1023004

/Wes

Seth Call wrote:

> Good point Lelio and thanks for the suggestion Candace.  Much 
> appreciated all.
>
> ------------------------------------------------------------------------
> *From:* Lelio Fulgenzi [mailto:lelio at uoguelph.ca]
> *Sent:* Tuesday, March 22, 2005 4:43 PM
> *To:* Seth Call; medley at mac.com; cisco-voip at puck.nether.net; Candace 
> Holman
> *Subject:* Re: [cisco-voip] Changing TFTP address dynamically
>
> That'll do the trick!
>  
> But I found people are a little weary of loosing their directories 
> entries. You'll juat have to be aware of that when you go this route.
>
>     ----- Original Message -----
>     *From:* Candace Holman <mailto:Candace_Holman at harvard.edu>
>     *To:* Seth Call <mailto:scall at metreos.com> ; medley at mac.com
>     <mailto:medley at mac.com> ; cisco-voip at puck.nether.net
>     <mailto:cisco-voip at puck.nether.net>
>     *Sent:* Tuesday, March 22, 2005 11:37 AM
>     *Subject:* RE: [cisco-voip] Changing TFTP address dynamically
>
>     Regarding remotely resetting the phone without CCM, you could try
>     to do something with snmp to turn off/on inline power on the
>     switch port of the phone.
>
>     Candace
>
>     At 11:23 PM 3/21/2005, Seth Call wrote:
>
>>     Hi Tim:  I basically want a phone to register with a different
>>     cluster, but only when a user directs it to do so.  In this way
>>     they can get the device config off of a different cluster
>>     dynamically.   So& to get it to register to a different cluster
>>     is easiest done by changing the TFTP address to the other
>>     cluster, correct? 
>>
>>      
>>
>>     Thanks Lelio, you say ##*## wont work eh?  Thats disappointing
>>     news.  Its easy enough to automate that, but if thats not a sure
>>     way to get the phone to take the changes, and you are also saying
>>     I have to use the ccmadmin website& Maybe I could simulate web
>>     requests, but isnt ccmadmin run on an applet clientside? Hmmm&
>>
>>      
>>
>>     So, now Im trying to think how to cause CCM to send a reset
>>     automatically.
>>
>>     I /think/ certain AXL SOAP commands might cause the phone to
>>     process a reset, but thats just my best guess from what Ive seen
>>     using AXL somewhat and not paying too close attention to whats
>>     going on.
>>
>>      
>>
>>     Thanks everyone for their info;  I thought maybe DHCP could be
>>     per-MAC but you guys kindly confirmed it.
>>
>>      
>>
>>     -----Original Message-----
>>     *From:* Tim Medley [mailto:medley at mac.com]
>>     *Sent:* Monday, March 21, 2005 8:02 PM
>>     *To:* Seth Call; cisco-voip at puck.nether.net
>>     *Subject:* RE: [cisco-voip] Changing TFTP address dynamically
>>
>>      
>>
>>     What are you trying to accomplish? If you could explain why you
>>     want to change the tftp server address per device, perhaps we can
>>     come up with a different solution to accomplish the desired results.
>>
>>      
>>
>>     tm
>>
>>      
>>
>>     Tim Medley
>>
>>      
>>
>>     http://www.sccp2000.com <http://www.sccp2000.com/> *IP Telephony
>>     News, Tips and Tricks
>>     *
>>     ------------------------------------------------------------------------
>>     * **From:* cisco-voip-bounces at puck.nether.net
>>     [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf Of *Seth Call
>>     *Sent:* Monday, March 21, 2005 8:34 PM
>>     *To:* cisco-voip at puck.nether.net
>>     *Subject:* [cisco-voip] Changing TFTP address dynamically
>>
>>      
>>
>>     Is there a way to change the TFTP address of a phone
>>     programmatically or with a tool?
>>
>>      
>>
>>     Trying to make a service which does that... which if the user has
>>     to do that through the services menu (the only way I know how),
>>     it sorta defeats the purpose...
>>
>>      
>>
>>     Thanks guys and gals,
>>
>>     Seth Call
>>     _______________________________________________
>>     cisco-voip mailing list
>>     cisco-voip at puck.nether.net
>>     https://puck.nether.net/mailman/listinfo/cisco-voip
>
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