Cisco Jabber DNS Entries (MRA)

[ibtihaj2010]

Hello All , 

I need some help with the Jabber DNS Entries (Cisco MRA)

CUPS server is working good , all Jabber client can login internally by using the CUPS Server IP

1 - Internal domain :  pol.polo.com.pk

2 - External domain: polo.com.pk

All internal servers (CUCM/CUPS) resolve with pol.polo.com.pk , e.g. CUCM1.pol.polo.com.pk , CUPS.pol.polo.com.pk

Jabber User Login: username@polo.com.pk

For internet DNS/SRV record , I understand the following , but it still is giving error as it cannot communicate with the server.

SRV Record - _cisco-uds._tcp.polo.com.pk ---- CUCM1.pol.polo.com.pk
A Record -       CUCM1.pol.polo.com.pk ---- IP Address of CUCM-PUB

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Am I making any mistake? Also If this is all correct , we can somehow (maybe using some tool) , find out the actual DNS lookup request on the PC that is been generated using the Jabber client? 

Regards

Ibtihaj

[Jaime Valencia]

Read here

http://www.cisco.com/c/en/us/support/docs/unified-communications/expressway-series/117811-configure-vcs-00.html

[Suresh Hudda]

I would suggest you first stream line the setup for internal login purpose, then do further troubleshooting for MRA login.

Edit: Here, A record is fine, but you need to create SRV record as this "_cisco-uds._tcp.cucm1.pol.polo.com.pk" in enterprise DNS.

Let the jabber to discover CUCM/IMP automatically, so don't put IMP ip address in advanced settings of Jabber client.

You can do DNS lookup from a windows desktop where jabber client exists.

go to command prompt and use below command for nslookup.

nslookup

set type=srv

cisco-uds._tcp.pol.polo.com.pk

Above command's output should show CUCM FQDN and IP address.

Suresh

[ibtihaj2010]

Hello Suresh 

Thanks for the info.

I am still not sure what to do, do I need to add this record under polo.com.pk or pol.pool.com.pk internally?

Thanks

Ibtihaj

[Rafig Yolchuyev]

You need to create this record in your public DNS.

In general for running MRA   you need to have  these records in your public DNS:

_collab-edge._tls.polo.com.pk   target  domain your VCS-E.polo.com.pk

_sips._tcp.polo.com.pk   target  domain your VCS-E.polo.com.pk

_sip._tcp.polo.com.pk   target  domain your VCS-E.polo.com.pk

_sip._udp.polo.com.pk   target  domain your VCS-E.polo.com.pk

And nslookup these records from public DNS  8.8.8.8 , if it's resolve  then everything is OK  on DNS side and need to check  internally on Expressway

Rafig

[Rafig Yolchuyev]

sorry  forgot this part:

In internal  Domain side pol.polo.com.pk   you need to create these records:

_SIPS._TCP  host offering this service  should be your Expressway C with FQDN

_SIP. _TCP   host offering this service  should be your Expressway C with FQDN

_CUPLOGIN._TCP  host offering this service  should be your IM&Presence with fqdn

_cisco-uds._TCP   host offering this service  should be your Call Manager with fqdn

and in UDP side only this record:

_SIP._UDP    host offering this service  should be your Expressway C with FQDN

 can see one of the example in attached file.

let's say that your call manager  ucm.pol.polo.com.pk  then  your  SRV record should be as:

_cisco-uds._TCP.ucm.pol.polo.com.pk  where ucm.pol.polo.com.pk is your Call Manager  FQDN