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Multiple RDC connections to Windows 7 workstations with Cisco RV220W

Posted on 2014-01-27
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Last Modified: 2014-01-27
Hi experts,

I'm trying to configure a Cisco RV220W to allow multiple RDC connections to Windows 7 workstations from the Internet.

I have been able to set it up to successfully connect to one. However when I add a second entry in the access rules on the Cisco RV220W, I cannot connect to the second computer.

I have changed the standard RDC port and have a different port setup for each computer.

There are 2 rules in the Cisco RV220W, each one points to one IP address of the computers I'm trying to connect to. I setup the second identical to the first, with the exception of the IP address of the computer I'm trying to connect to.

If I remove the first, the second one works, if I remove the second, the first works, so it seems like it can only connect to one at a time.

Any thoughts or suggestions on how to allow multiple RDC connections from the outside?
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Question by:ChiIT
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Expert Comment

by:Jullez
ID: 39813377
Are you able to RDP internally with the ports you changed to each machine?
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Author Comment

by:ChiIT
ID: 39813674
Hi, thanks for responding. Yes I can. If I only put one entry into the access rules as a time, I can actually connect to either based on the access rule I put in. (different IP addresses).

I've included screen shots of the Cisco config....

when I only have 1 inbound entry, I can connect. When I add 2, I can't connect to both, only the first one I entered..
accessrules1.jpg
accessrules2.jpg
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Expert Comment

by:Jullez
ID: 39813694
What do you have configured in port forwarding section?
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Author Comment

by:ChiIT
ID: 39813747
I don't have anything in there. Its empty. I found this article, and it sounded like access rules was the way to set this up.....though, now that I read this, sounds like it was for between 2 routers rather than to desktops......

http://sbkb.cisco.com/CiscoSB/GetArticle.aspx?docid=e2ba2b891ee24260bdd79e3b95498c55_Configuration_of_Remote_Desktop_Protocol_on_RV120W_and_RV220.xml&pid=2&converted=0
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Expert Comment

by:Jullez
ID: 39813753
In port forwarding, set the correct IP address corresponding to the RDP port you have configured on the machines.
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Author Comment

by:ChiIT
ID: 39813768
It needs to be a different port for each computer, correct?
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Expert Comment

by:Jullez
ID: 39813780
Yes, from outside you will be connecting to x.y.z.w:3391 (port that you configured on the workstation), 2 port forwarding rules.
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Author Comment

by:ChiIT
ID: 39813809
attached is what I entered....I had to create a custom service, which I put in a port range that includes both computers....

the same thing happens..when I only have one port forward in there, I can connect, when I put the second one in, I can only connect to the first one...

It doesn't matter if I put in the port for computer 1 or 2, I can connect to whichever one is in there when its only 1...

do I need to make a separate custom service for each port? there is the ability to put in a range in the config...
portforward1.jpg
portforward2.jpg
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Accepted Solution

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Jullez earned 500 total points
ID: 39813819
You have to use a custom port - cant just use RDC for both.

Call them RDC3390 and RDC 3391 etc.

Firewall > Advanced Settings > Custom Settings. Add a new service specifying the name, protocol, and ports.

Firewall > Port Forwarding and add a port forwarding record. And set the following values.

 
Action: Always Allow

Service: <Your Newly Created Service>

Destination IP: <Your internal address>

Forward From Port: Same as incoming port

Forward To Port: <RDP port on machine>
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Author Comment

by:ChiIT
ID: 39813846
I think that worked...testing.....
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Author Comment

by:ChiIT
ID: 39813878
it works...thank you VERY much. I'm not sure I understand why the port range doesn't work under the custom service I created...but I just tested it all, custom service with only a single port works for both computers, a single custom service with a range does not...

Luckily I only have a few computers that need this. If I have 100 I can see it would get to be a bit of a chore entering all of the custom services...
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Author Closing Comment

by:ChiIT
ID: 39813901
Excellent help, thank you very much
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Expert Comment

by:Jullez
ID: 39813906
You are very welcome!
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