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Forum Discussion

412's avatar
412
Aspirant
Aug 14, 2019
Solved

Connection/firewall issue

I just switched to fiber. (Htc). Now I can’t log my tv on to internet through Orbi. It is logged on to orbi. There are several sites that are coming up 404 not found. Including orbi downloads.  If I...
  • FURRYe38's avatar
    FURRYe38
    Aug 15, 2019

    Any progress on this? 

    412 wrote:

    I just switched to fiber. (Htc). Now I can’t log my tv on to internet through Orbi. It is logged on to orbi. There are several sites that are coming up 404 not found. Including orbi downloads. 

    If I go to the htc modem. Everything works fine. The orbi does not change even if htc modem is turned off. Htc say it is not their equipment. It is a block in the orbi. Says it’s in dmz right now. 

     

    HELP

     

    DAN

     

ekhalil's avatar
ekhalil
Master
Aug 15, 2019
412 wrote:

I just switched to fiber. (Htc). Now I can’t log my tv on to internet through Orbi. It is logged on to orbi. There are several sites that are coming up 404 not found. Including orbi downloads. 

..........

One of the reasons that can cause such strange -unjustifiable- issue is having double NAT in your network. If your ISP modem is acting as a router and does NATing on the incoming WAN traffic then this can cause different issues since Orbi is also doing NATing. You need to check if you have double NAT.

Please open a Command Prompt on any computer attached to Orbi and type:

> tracert 8.8.8.8  (or traceroute 8.8.8.8 if you're using a Mac computer)

  1. If you see two private IP addresses listed in the first two hops then you have double NAT. Please check the model of your ISP modem and if you have a manual for it.
  2. If you see only one private address and the second hop shows a public address, then you’re all good and we need then to troubleshoot further to find the root cause of the issue,