I host a website on my lan, and have the new arris g34 configured to forward the appropriate port range. However I cannot reach the external site from inside my LAN. Someone suggested that this is due to loopback restrictions on the g34. I can’t find a control point for any setting like that. Is there one?
Best answer by Netopia
NAT Loopback feature just needs to be implemented on the gateways and routers.
The reason why it works with a modem because the modem doesn’t have NAT (Network address translation). You’re probably running a router with the modem and that router supports NAT Loopback. Product like G34 is a wi-fi modem combo device and it has NAT, hence the reason to forward ports.
A couple of members created a few topics about NAT loopback.
Here’s a workaround.
None of their products support NAT loopback support at this time.
Thanks for the reply. I’d already run into the host file fix; I think I may not want to implement that. I’d switch to a modem which supports loopback.
Is this issue only relevant for products that include a firewall, like the G34? I’ve had arris modems (no wifi no firewall) until now, and never ran into this issue.
NAT Loopback feature just needs to be implemented on the gateways and routers.
The reason why it works with a modem because the modem doesn’t have NAT (Network address translation). You’re probably running a router with the modem and that router supports NAT Loopback. Product like G34 is a wi-fi modem combo device and it has NAT, hence the reason to forward ports.
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