[SOLVED] Do snapshot builds on WRT1900ACv2 have broken UDP port forwarding?

It's highly unlikely fw3 is broken and is more likely that a required network package or packages are not installed for SIP (likely network related kmods, as well as ipset).

  • If not compiling your own image, I personally recommend dumping your installed packages prior to installing a new image:
    • opkg list-installed > /mnt/sda1/installed-pkgs_$(date "+%Y.%m.%d_%T")

  • Have you tried rebooting your server to ensure it's not the server?
    • I've occasionally had devices show network issues after flashing a new image and a reboot solves any wonkiness.

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