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gcgraham1701's avatar
gcgraham1701
Aspirant
Jun 23, 2017
Solved

AC1750 R6400 port forward stopped working

I installed the R6400 three months ago and the port forwarding worked flawlessly until two nights ago when my two cameras stopped working across the WAN. Here is what I've done so far to fix it.

  • Updated firmare to June 14th release.
  • Confirmed Comcast modem is still in bridge mode.
  • Comfirmed camera operation in LAN.
  • Resetup all port forwarding entries.
  • Confirmed DDNS operation.
  • Used actual ISP IP address with port.
  • I used multiple devices that use to be able to view cameras (computer, phone, ipad, etc)
  • It's like the router started blocking ports 8100 and 8101.

What did I miss?

  • gcgraham1701's avatar
    gcgraham1701
    Jun 30, 2017

    Figured it out. My ISP modem got scrambled and started handing out a private IP address to the Netgear Router although it was in bridge mode. Replaced it and all is back up and running just fine.