[cisco-voip] SDLLinkOutOfService

[Ryan Ratliff]

Loss of connectivity, dropped tcp acks leading to the session being  
reset by one party, etc.  The only conclusive way to see what is  
happening is to get it in a packet capture and that can be difficult  
with a random failure.

-Ryan

On Apr 21, 2009, at 2:17 PM, Melvin Fong wrote:

Is there a typical network issue that may be causing this?
All the services show running and running since last reboot of call
managers.

-----Original Message-----
From: Ryan Ratliff [mailto:rratliff at cisco.com]
Sent: Tuesday, April 21, 2009 11:11 AM
To: Melvin Fong
Cc: Chris Ward; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] SDLLinkOutOfService

In the alarm it will call out the remote node and application id.
Basically when this error is logged the tcp connection on port 8002
between servers running the ccm service has been lost.  The server
will automatically try and reconnect.

You've either got a transient network issue or a ccm service stopping/
crashing somewhere.

-Ryan

On Apr 21, 2009, at 1:52 PM, Melvin Fong wrote:

Chris,

    Yes all servers were moved, 2 to the new data center and one to an
offsite center.

IP's remained the same.

Mel



From: Chris Ward [mailto:chrward at cisco.com]
Sent: Tuesday, April 21, 2009 10:20 AM
To: Melvin Fong; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] SDLLinkOutOfService



Melvin,

This means that either CCM or CTI is not able to communicate with CCM
or CTI on another node. How many nodes in the cluster? When you moved
the datacenter, were all servers moved? Were any removed from the
cluster? Did the IP addressing scheme remain the same?

Chris Ward

From: Melvin Fong <mfong at pacific.edu>
Date: Tue, 21 Apr 2009 10:13:59 -0700
To: <cisco-voip at puck.nether.net>
Subject: [cisco-voip] SDLLinkOutOfService

Since we moved our data center we have been getting the alert
"SDLLinkOutOfService"
When I look at the call manager is up (or back up), sometimes we also
get an alert that the server is down (call manager).  We are running
UCM 6.1.2 1000-13 and are set to auto/auto.  Any ideas as to what may
be causing this?  Thanks for any help from anyone!

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