[cisco-voip] ATA problem in CUCM 7.1(3) !!!

Mon Feb 8 11:42:08 EST 2010

That may not work for 7.x but is a great tip for 6.x.

-Ryan

On Feb 8, 2010, at 10:51 AM, Jordi Solá Giralt wrote:

Hi, 

I had the same issue with a cluster in version 6.1.4, when trying to upgrade ATA's to the last firmware version, and I solved it by creating and assigning a CallManager Group with only two CallManagers (instead of three, as usual if you have a cluster with more than two servers) to the ATA devices. In this case the file size is lower than 4k and the bug doesn't appears... After the upgrade, now ATA's support config files greater than 4 k, so you can re-assign CallManager Groups. 

I hope this helps, 

Regards, 

<Mail Attachment.jpeg> 

De:	"Sinisa Djokic" <sdjokic at mds.rs>
Para:	<cisco-voip at puck.nether.net>
Fecha:	08/02/2010 16:42
Asunto:	[cisco-voip] ATA problem in CUCM 7.1(3) !!!
Enviado por:	cisco-voip-bounces at puck.nether.net

hi to all.. 

it seems that after cluster upgrade form 4.2(3) to 7.1(3) ATA 186 want upgrade it’s firmware from 3.2.3 sccp to 3.24 sccp which is the default one in CUCM 7.1(3).. 
ATA also want register to primarly confgiured CUCM ( and it keeps it’s last known config )..so, it is rather non-usable.. 
ATA isn’t newly added, it was already configured in 4.2(3) CUCM, so it exists in DB..so, there is no auto-reg problem.. 

so, after reading some of the threads and bugs description for CSCsd44357 and CSCsr45184 i did manage to “cut” some neccessary info in xml file ( ataMACADDRESS.cnf.xml ) and manage to make ATA pickup that config and load new firmware ( 3.2.4 ) using TFTP server on y PC.. 
i think ryann wrote something about it.. 

but, for cluster with 200 ATA devices it is going to be real problem.. 

so, if we’re hitting that 4k bug, or maybe some other bug.. 

is there any “nicer” solutions for this huge problem.. 

we can upgrade firmware on existing CUCM 4.2(3) and moved them after that to 7.1(3) with the same firmware, but isn’t that the same thing, if there is a bug in ATA’s 3.2.3 code.. 

this makes sense only if we’re having in mind that ATA speicific config file and XMLdefault.cnf.xml are smaller size in CUCM 4.x , beacuse CUCM 7.X does add some newer feature and info overhead.. 

thanx.. 

regards.. 

Sinisa Djokic 
System Engineer
CCNP,CCDA,CQS-CWLDS,CS-CIPTDS,CS-CIPCCES Cisco Certified 

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