Cluster Limit questions

Unanswered Question
Feb 19th, 2010

Is there a limit to how many non-CM service based servers can be in a cluster such as MOH or TFTP?

Manish

I have this problem too.
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Jaime Valencia Fri, 02/19/2010 - 12:21

With Cisco Unified CM 7.x, a cluster may contain as many as 20 servers, of which a maximum of eight may run the Cisco CallManager Service that provides call processing. The other servers may be configured as a dedicated database publisher, dedicated Trivial File Transfer Protocol (TFTP) server, or music on hold (MoH) servers. Media streaming applications (conference bridge or media termination point) may also be enabled on a separate server that registers with the cluster.

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/7x/callpros.html

If not your version, review the same chapter from the SRND for your CUCM version.

HTH

java

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www.cisco.com/go/pdihelpdesk

David Hailey Fri, 02/19/2010 - 21:49

Yes, but it depends on CUCM version.  Hard and fast rules.  1 Publisher.  8 Subscribers.  From there, you can have

additional "cluster" servers that serve specific purposes without providing specific DB or call-processing functions such as

TFTP, MoH, etc.

Java's link to the SRND should be sufficient to give you the numbers you need for your version.  Any further questions, just ask.

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