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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

DGA0122 Dual LAN Subnets: Difference between revisions

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Desired outcome: You want the router to have a main NAT's IPv4 block and allocate IPs by DHCP to your LAN, but you want an additional public subnet which you can use on specific devices on your LAN that you configure manually.
Desired outcome: You want the router to have a main NAT's IPv4 block and allocate IPs by DHCP to your LAN, but you want an additional public subnet which you can use on specific devices on your LAN that you configure manually.


Prerequesits: The router is in the initial state as delivered, configured without a public (Internet facing) block of IPv4 addresses. It only has one public IP address, and all IP addresses on the LAN are private and rely on network address translation (NAT).
Prerequisites: The router is in the initial state as delivered, configured without a public (Internet facing) block of IPv4 addresses. It only has one public IP address, and all IP addresses on the LAN are private and rely on network address translation (NAT).


Then, the IP block can be allocated to your line and some manual configuration can be applied to the router as follows:
Then, the IP block can be allocated to your line and some manual configuration can be applied to the router as follows:
Retrieved from "http://support.aa.net.uk/DGA0122_Dual_LAN_Subnets"