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Beginner

Dynamic UDP ports on Cisco 831

I got asked by a customer about handing out random UDP ports through a Cisco 831 router running DHCP and NAT. Apparently this is common in the gaming world. It is not something I have seen before. Can the customer do this with an 831? Apparently, it also works on the 67X series of DSL routers.

3 REPLIES 3
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Enthusiast

If you are referring to the router translating the users to a designated address on a random port, then this is accomplished by PAT (port address translation).

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Advisor

Is he providing a gaming server, or he want to allow game traffic in/out of his network ??

You can use NAT or PAT to achieve a translation to a public address.

Sankar Nair
UC Solutions Architect
Pacific Northwest | CDW
CCIE Collaboration #17135 Emeritus
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Game traffic in and out of his network. I hadn't thought about PAT. That is probably the answer.

Thanks!

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