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Jabber and Multiple DNS Domains

have a customer that is running into some "minor" issues in getting Jabber to work well on their mobile devices.

The issues revolves around I think a DNS issue in that their Internet domain is "mycomp.com" while inside they are "corp.mycomp.local"

Am I correct in that this is easily fixed for the expressway-E and expressway-C is to have the following setup:

On the External DNS server

_collab-edge.tls.mycomp.com  =>  expresswaye.mycomp.com

 

On the Internal DNS server:

_cisco-uds._tcp.mycomp.com => cucm1.corp.mycorp.local

_cisco-uds._tcp.corp.mycomp.local =>  cucm1.corp.mycomp.local

 

If the Expressways are configured correctly, then this should work and the credentials for the users should be the same instde and out, OR am I missing something?

 

Thanks

1 Reply 1

Manish Gogna
Cisco Employee
Cisco Employee

Hi Richard,

Please check the following links

https://ciscocollab.wordpress.com/2014/07/23/collaboration-edge-mra-with-split-dns-domains/

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/Windows/9_7/CJAB_BK_C606D8A9_00_cisco-jabber-dns-configuration-guide/CJAB_BK_C606D8A9_00_cisco-jabber-dns-configuration-guide_chapter_010.html#CJAB_TK_D380F2C5_00

HTH

Manish