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conditional routing with Cisco router

middletn
middletn asked
on
Medium Priority
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Last Modified: 2012-06-22
Hi,
I have a Cisco 837 router.  I have a need to do conditional routing based on external IP address such that if a get traffic from that IP on a given port number I route it to a PC on the network, and if I get traffic on the same port number from another IP I route it to a second PC on the internal network.  

Can someone tell me the best way of achieving that?

regards

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Commented:
Are you using NAT/PAT and plan to pass this traffic through public outside to a private inside?

Regards,

3nerds

Author

Commented:
yes that's correct
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Commented:
Hmm, yes I was struggling  with that issue, however, the router we have replaced (another cisco) does do it somehow, unfortunately we can't access that old router to see how they archived it.

Screnario is this.  They have 3 remote workers, all who use remote desktop to get to their in office PC's

regards
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Commented:
Do you have multiple outside ip addresses?

The other way I have seen it done is via a proxy type setup using an Windowns sbs 2003 server.

Regards,

3nerds

Author

Commented:
That could be how they did it, they do have an SBS and the network gateway points to the SBS server, so I guess that might be handling the traffic, but how I don't know

regards

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Commented:
The remote desktop proxy in SBS 2003 is called remote work place. Here is a link to it.

http://support.microsoft.com/kb/833983

Good Luck,

3rnerd

Author

Commented:
Thanks
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