[cisco-voip] Subscriber refusing to join cluster

Ryan Ratliff rratliff at cisco.com
Mon Apr 7 09:31:52 EDT 2008


DNS is not required for CUCM.  That said if you have configured a DNS  
server it is required that the server be able to do a dns reverse  
lookup on itself and every other server in the cluster.   So if  
configure a DNS server during installation, DNS has to be operating  
properly.  If you don't configure a DNS server, then don't worry  
about it as the hosts file on each server should get populated with  
IP address and hostname info during install.

Did you add the subscriber to System->Server on the pub before the  
install?  This is what allows the sub to talk to the pub's database,  
etc.  That error sure sounds like a connectivity issue.

-Ryan

On Apr 6, 2008, at 3:58 PM, Dave wrote:
I have run v6 before without DNS, and had no issues.  I cannot locate  
the documentation where DNS is a requirement.   AFAIK, you just need  
to change all IP addresses in the Enterprise Parameters to their IP  
addresses (Cisco's recommendation).

- original message -
Subject:	Re: [cisco-voip] Subscriber refusing to join cluster
From:	"Louis Koekemoer (ZA)" <Louis.Koekemoer at za.didata.com>
Date:		04/06/2008 5:08 PM

Yip, the are on the same subnet, same 6500 switch. Publisher is x.x.x. 
10 and subscriber x.x.x.11. I see Chris mentioned that DNS is  
required in 6.x. I don't know if this is applicable to 5.x as well. I  
cannot remember that I had to do this the previous time I've done  
this, but will give it a go as soon as I can.


Kind Regards

Louis Koekemoer
Cisco IPT Systems Engineer
Dimension Data South Africa
   +27 11 575 6560
+  +27 76 608 7221
  louis.koekemoer at za.didata.com


-----Original Message-----
From: Jonathan Charles [mailto:jonvoip at gmail.com]
Sent: 06 April 2008 04:08 PM
To: Louis Koekemoer (ZA)
Cc: Frazee, Timothy; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Subscriber refusing to join cluster

See, that part helps.

OK, are these two on the same subnet? Are they separated by a firewall?



Jonathan

On Sun, Apr 6, 2008 at 8:29 AM, Louis Koekemoer (ZA)
<Louis.Koekemoer at za.didata.com> wrote:
> Sorry, I forgot to mention it is CCM5.1(3)
>
>
>
>  Kind Regards
>
>  Louis Koekemoer
>  Cisco IPT Systems Engineer
>  Dimension Data South Africa
>   +27 11 575 6560
>  +  +27 76 608 7221
>   louis.koekemoer at za.didata.com
>
>
>  -----Original Message-----
>
> From: Frazee, Timothy [mailto:Timothy_Frazee at adp.com]
>  Sent: 06 April 2008 02:44 PM
>  To: Louis Koekemoer (ZA); Jonathan Charles
>  Cc: cisco-voip at puck.nether.net
>
>
> Subject: RE: [cisco-voip] Subscriber refusing to join cluster
>
>  I think Jonathan meant to add and entry to either
>  winnt/system32/drivers/etc/hosts or windows/system32/drivers/etc/ 
> hosts
>
>  Assuming you have a 3.x or 4.x server.
>
>  You didn't tell anyone what flavor of callmanager your working with.
>
>
>  -----Original Message-----
>  From: cisco-voip-bounces at puck.nether.net
>  [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Louis  
> Koekemoer
>  (ZA)
>  Sent: Sunday, April 06, 2008 10:33 PM
>  To: Jonathan Charles
>  Cc: cisco-voip at puck.nether.net
>  Subject: Re: [cisco-voip] Subscriber refusing to join cluster
>
>  Hi Jonathan,
>
>  But if the Subscriber is not fully installed, how can I add a  
> hostname
>  for Publisher on it? What I have done is on the Publisher I after the
>  2nd attempt, I removed subscriber totally, reloaded Publisher, and  
> added
>  the subscriber on the hostname, and I also added another entry on  
> the IP
>  address. This obviously was also not successful. The thing is just  
> that
>  I have done this before, and it was so easy. I really suspect some
>  network or hardware issue here. I'm trying to locate another  
> server to
>  try and eliminate the server hardware as a possibility.
>
>
>  Kind Regards
>
>  Louis Koekemoer
>  Cisco IPT Systems Engineer
>  Dimension Data South Africa
>   +27 11 575 6560
>  +  +27 76 608 7221
>   louis.koekemoer at za.didata.com
>
>  -----Original Message-----
>  From: Jonathan Charles [mailto:jonvoip at gmail.com]
>  Sent: 06 April 2008 02:25 PM
>  To: Louis Koekemoer (ZA)
>  Cc: cisco-voip at puck.nether.net
>  Subject: Re: [cisco-voip] Subsciber refusing to join cluster
>
>  Add a hosts entry on both to each other.
>
>
>  Jonathan
>
>  On Sun, Apr 6, 2008 at 5:06 AM, Louis Koekemoer (ZA)
>  <Louis.Koekemoer at za.didata.com> wrote:
>>
>>
>>
>>
>> I need help on adding a subscriber server to a cluster. I did create
>  the
>> subscriber on the Publisher, and after some time installing
>  subscriber, at
>> the point of joining to Publisher I get the following message "The
>> configuration validation with ZAMDH06056 (xxx.xxx.xxx.xxx.) failed.
>  The
>> server could not send /receive UDP packets to the Publisher on port
>  8500. Is
>> network connection to ZADMH06056 up? Is the MTU size correct for this
>> network? Does the network allow packet fragments?" We can ping this
>  server
>> from the voice VLAN, and I can ping Subscriber IP from Publisher, so
>  we
>> don't think we have network connectivity issues here.
>>
>>
>>
>> Kind Regards
>>
>>
>>
>> Louis
>>
>>
>>
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