Re: [cisco-voip] Can MRA work with old UCM configured with IP addresses?

[Dana Tong]

I’ve reconfigured it all to use FQDN and re-configured my nodes. And I’m logged 
in okay now and MRA is working.

Cheers
Dana


From: NateCCIE 
Sent: Thursday, 2 April 2020 12:45 PM
To: Dana Tong 
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Can MRA work with old UCM configured with IP 
addresses?

I know I have done one MRA with IPs, back when MRA was new. You still need the 
Cisco Uds srv record to be there and that record needs to be resolvable my the 
C.

That old system isn’t using MRA right now, so I don’t know if it’s changed in 
newer versions of expressway.
Sent from my iPhone


On Apr 1, 2020, at 8:13 PM, Dana Tong 
mailto:dana.t...@yellit.com.au>> wrote:

Hi all,

I have a customer who was installed some 9 years ago and the hosts were all 
configured with IP address instead of FQDN. They’re up on UCM 10.5(2) now and I 
have spun up Expressway X12.5.7.
The UC Traversal zone is up and running. The Expressway’s have certificates 
installed.
However I am hitting issues with getting the edge config and signing in. I get 
the usual “cannot communicate with server” when I try to login with Jabber.

I’ve tried changing some things such as configuring the UCM, IM, Unity 
servers in Expressway-C by IP or FQDN and have had some varying results on the 
Collaboration Solution Analyser. Sometimes its downloads the user UDS 
configuration and sometimes it doesn’t.

Is MRA do-able with the UCM using IP address? Or am I going to have to bite the 
bullet and reconfigure all the devices to use FQDN for their clustering? Or is 
there some kind of easy fix?

Cheers
Dana

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Re: [cisco-voip] Can MRA work with old UCM configured with IP addresses?

[Schlotterer, Tommy]

Check to make sure the Expressway-C has a reverse DNS record for the 
Expressway-E’s IP address.

Also, upload your Logs to here: https://cway.cisco.com/csa/

CSA usually has good advice for MRA issues.

Thanks

Tommy

Tommy Schlotterer|  Engineer

Presidio
 |  presidio.com

20 N Saint Clair 3rd Floor, Toledo, OH 43604
D: 419.214.1415|  C: 
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From: cisco-voip  On Behalf Of Dana Tong
Sent: Wednesday, April 1, 2020 6:26 PM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Can MRA work with old UCM configured with IP addresses?

EXTERNAL EMAIL




Hi all,

I have a customer who was installed some 9 years ago and the hosts were all 
configured with IP address instead of FQDN. They’re up on UCM 10.5(2) now and I 
have spun up Expressway X12.5.7.
The UC Traversal zone is up and running. The Expressway’s have certificates 
installed.
However I am hitting issues with getting the edge config and signing in. I get 
the usual “cannot communicate with server” when I try to login with Jabber.

I’ve tried changing some things such as configuring the UCM, IM, Unity 
servers in Expressway-C by IP or FQDN and have had some varying results on the 
Collaboration Solution Analyser. Sometimes its downloads the user UDS 
configuration and sometimes it doesn’t.

Is MRA do-able with the UCM using IP address? Or am I going to have to bite the 
bullet and reconfigure all the devices to use FQDN for their clustering? Or is 
there some kind of easy fix?

Cheers
Dana



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Re: [cisco-voip] Can MRA work with old UCM configured with IP addresses?

[NateCCIE]

I know I have done one MRA with IPs, back when MRA was new. You still need the 
Cisco Uds srv record to be there and that record needs to be resolvable my the 
C.

That old system isn’t using MRA right now, so I don’t know if it’s changed in 
newer versions of expressway. 

Sent from my iPhone

> On Apr 1, 2020, at 8:13 PM, Dana Tong  wrote:
> 
> 
> Hi all,
> 
> I have a customer who was installed some 9 years ago and the hosts were all 
> configured with IP address instead of FQDN. They’re up on UCM 10.5(2) now and 
> I have spun up Expressway X12.5.7.
> The UC Traversal zone is up and running. The Expressway’s have certificates 
> installed.
> However I am hitting issues with getting the edge config and signing in. I 
> get the usual “cannot communicate with server” when I try to login with 
> Jabber.
>  
> I’ve tried changing some things such as configuring the UCM, IM, Unity 
> servers in Expressway-C by IP or FQDN and have had some varying results on 
> the Collaboration Solution Analyser. Sometimes its downloads the user UDS 
> configuration and sometimes it doesn’t.
>  
> Is MRA do-able with the UCM using IP address? Or am I going to have to bite 
> the bullet and reconfigure all the devices to use FQDN for their clustering? 
> Or is there some kind of easy fix?
>  
> Cheers
> Dana
>  
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Re: [cisco-voip] Can MRA work with old UCM configured with IP addresses?

[Charles Goldsmith]

never tried, but I wouldn't be surprised if FQDN is required.  Are your
hosts discovered in the expressway core and showing as TCP Active?  I'm
also assuming you have TLS verify mode off?

On Wed, Apr 1, 2020 at 9:13 PM Dana Tong  wrote:

> Hi all,
>
>
> I have a customer who was installed some 9 years ago and the hosts were
> all configured with IP address instead of FQDN. They’re up on UCM 10.5(2)
> now and I have spun up Expressway X12.5.7.
>
> The UC Traversal zone is up and running. The Expressway’s have
> certificates installed.
>
> However I am hitting issues with getting the edge config and signing in. I
> get the usual “cannot communicate with server” when I try to login with
> Jabber.
>
>
>
> I’ve tried changing some things such as configuring the UCM, IM, Unity
> servers in Expressway-C by IP or FQDN and have had some varying results on
> the Collaboration Solution Analyser. Sometimes its downloads the user UDS
> configuration and sometimes it doesn’t.
>
>
>
> Is MRA do-able with the UCM using IP address? Or am I going to have to
> bite the bullet and reconfigure all the devices to use FQDN for their
> clustering? Or is there some kind of easy fix?
>
>
>
> Cheers
> Dana
>
>
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>
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