[cisco-voip] Subscriber refusing to join cluster

Fri Apr 11 01:51:52 EDT 2008

My issue here is still a mystery. We are just awaiting change control again for this weekend to try more stuff. I know this is normally a very easy thing. We logged a TAC case, and Wes is assisting with that, but I agree as everyone else mention already... why add more possible point of failure? It just cuts out on more point in the event of troubleshooting.... Just my thought.

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<mailto:louis.koekemoer at za.didata.com>

From: dschulz [mailto:dschulz at skyline-ats.com]
Sent: 10 April 2008 06:59 PM
To: 'Scott Voll'; 'Ryan Ratliff'
Cc: cisco-voip at puck.nether.net; Louis Koekemoer (ZA); 'Frazee, Timoth y'
Subject: RE: [cisco-voip] Subscriber refusing to join cluster

Scott - It is always best eliminate reliance on DNS.  Of course, some organizations may require it.  HTH

Dave

________________________________
From: Scott Voll [mailto:svoll.voip at gmail.com]
Sent: Thursday, April 10, 2008 11:09 AM
To: Ryan Ratliff
Cc: Dave; cisco-voip at puck.nether.net; Louis Koekemoer (ZA); Frazee, Timoth y
Subject: Re: [cisco-voip] Subscriber refusing to join cluster
So for those of us that will be upgrading to 6.x............ which is the better method?  With or Without DNS.

Thanks

Scott
On Mon, Apr 7, 2008 at 6:31 AM, Ryan Ratliff <rratliff at cisco.com<mailto:rratliff at cisco.com>> wrote:
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<mailto: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<mailto:louis.koekemoer at za.didata.com>

-----Original Message-----
From: Jonathan Charles [mailto:jonvoip at gmail.com<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<mailto: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<mailto: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<mailto:louis.koekemoer at za.didata.com>
>
>
>  -----Original Message-----
>
> From: Frazee, Timothy [mailto:Timothy_Frazee at adp.com<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<mailto: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>
>  [mailto: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<mailto: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<mailto:louis.koekemoer at za.didata.com>
>
>  -----Original Message-----
>  From: Jonathan Charles [mailto:jonvoip at gmail.com<mailto:jonvoip at gmail.com>]
>  Sent: 06 April 2008 02:25 PM
>  To: Louis Koekemoer (ZA)
>  Cc: cisco-voip at puck.nether.net<mailto: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<mailto: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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