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NAT multiple source subnets to a single external IP

  • csxpcm
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06 Oct 2010 16:13 #64114 by csxpcm
Dear all,

My questions relates to a Draytek Vigor 2820Vn.

I want to run 3 private subnets:
192.168.1.0/24
192.168.2.0/24
192.168.3.0/24

Using the VLAN functionality. Each VLAN will map to a different subnet.

However, my question specially relates to NAT. Is it possible to NAT each of these internal subnets to a single public IP address.

Is this functionality configured using the 'NAT - Address Mapping' function?

Thankyou for your time.

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07 Oct 2010 11:27 #64131 by voodle
That's really not going to work I think, most of the draytek routers only do one NAT subnet. NAT - Address mapping is for forcing local IP addresses / ranges to use a specified public IP address
The 3300 series can do up to 4 though and has full 802.1Q VLAN tag support :)

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