Hst Posted May 8, 2019 Author Share Posted May 8, 2019 Link to comment Share on other sites More sharing options...
Hst Posted May 8, 2019 Author Share Posted May 8, 2019 I’m guessing I will have to use DMZ for the double NAT? Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted May 8, 2019 Administrators Share Posted May 8, 2019 Yes the R1 needs to be in the DMZ of your other router to avoid that. Link to comment Share on other sites More sharing options...
Hst Posted May 9, 2019 Author Share Posted May 9, 2019 How do you set up the DMZ I know how to navigate to it. Link to comment Share on other sites More sharing options...
Administrators Netduma Alex Posted May 9, 2019 Administrators Share Posted May 9, 2019 9 hours ago, Hst said: How do you set up the DMZ I know how to navigate to it. On your modem, go to Advanced > DMZ, press Enable, and put the WAN IP address of the Netduma router into the v4 host fields. I believe you can find the WAN IP for this in the Device Manager on the old R1 firmware. You may also be able to find it on your modem too if it has a Device List. Then leave the v6 host fields blank. Now press save. Link to comment Share on other sites More sharing options...
Hst Posted May 9, 2019 Author Share Posted May 9, 2019 It says I can’t leave the v6 field blank Link to comment Share on other sites More sharing options...
Administrators Netduma Alex Posted May 9, 2019 Administrators Share Posted May 9, 2019 Can you please take a screenshot of the DMZ config page on your modem? Thanks. Link to comment Share on other sites More sharing options...
Hst Posted May 9, 2019 Author Share Posted May 9, 2019 Link to comment Share on other sites More sharing options...
Administrators Netduma Fraser Posted May 9, 2019 Administrators Share Posted May 9, 2019 It looks like you have IPv6 enabled so disable IPv6 completely and then redo the DMZ and see if it will allow you to just enter the IPv4 address. Link to comment Share on other sites More sharing options...
Hst Posted May 12, 2019 Author Share Posted May 12, 2019 It doesn’t appear I’m able to disable the IPv6 address, it doesn’t show me an option to. Link to comment Share on other sites More sharing options...
Administrators Netduma Alex Posted May 13, 2019 Administrators Share Posted May 13, 2019 Does your modem have a page where you can see a list of connected devices? Does it list what IPv6 address it thinks the R1 is using? Link to comment Share on other sites More sharing options...
Hst Posted May 14, 2019 Author Share Posted May 14, 2019 My modem does have a page for connected devices but it does not list a lPv6 address for the Netduma Link to comment Share on other sites More sharing options...
Administrators Netduma Alex Posted May 14, 2019 Administrators Share Posted May 14, 2019 Could you check your user guide? I see there's a link at the bottom on your Xfinity modem's setup page. I don't understand why it won't let you enter just an IPv4 address for the DMZ, but since i'm not an Xfinity support engineer I can't really help you with that i'm afraid. Link to comment Share on other sites More sharing options...
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