====== Information ======

  * [[https://www.netgear.com/home/products/networking/wifi-routers/R6260.aspx|NETGEAR R6260]]
  * [[https://openwrt.org|OpenWrt]]
  * [[https://openwrt.org/toh/netgear/r6260|OpenWrt Device Page]]
  * [[https://openwrt.org/releases/snapshot|Snapshot]]
  * https://github.com/openwrt/openwrt/commits/main/target/linux/ramips/mt7621

  * ''ramips/mt7621''

===== Notes =====

  * Stock firmware reports ''d(149)+p(153)+d(157)+d(161)'' for 5GHz channels with ''153'' selected and ''11(P)+7(S)'' for 2.4GHz with ''11'' selected

====== Snapshot ======

===== sysupgrade =====

  ssh root@192.168.1.1

  rm -f '/tmp/sysupgrade.img' && sync && sysupgrade --force -n -v 'https://downloads.openwrt.org/snapshots/targets/ramips/mt7621/openwrt-ramips-mt7621-netgear_r6260-squashfs-sysupgrade.bin'

  rm -f ~/'.ssh/known_hosts' && ping '192.168.1.1'

==== Windows ====

  * [[https://github.com/PowerShell/Win32-OpenSSH/releases/latest/download/OpenSSH-Win64.zip|OpenSSH-Win64.zip]]

  "%UserProfile%\Downloads\OpenSSH-Win64\ssh.exe" root@192.168.1.1

  rm -f '/tmp/sysupgrade.img' && sync && sysupgrade --force -n -v 'https://downloads.openwrt.org/snapshots/targets/ramips/mt7621/openwrt-ramips-mt7621-netgear_r6260-squashfs-sysupgrade.bin'

  DEL /S "%UserProfile%\.ssh\known_hosts" && ping -t "192.168.1.1"

===== Links =====

  * [[https://downloads.openwrt.org/snapshots/targets/ramips/mt7621/openwrt-ramips-mt7621-netgear_r6260-squashfs-factory.img|factory.bin]]
  * [[https://downloads.openwrt.org/snapshots/targets/ramips/mt7621/openwrt-ramips-mt7621-netgear_r6260-squashfs-sysupgrade.bin|sysupgrade.bin]]

====== Packages ======

===== LuCI =====

  * https://openwrt.org/docs/guide-user/luci/luci.essentials

  ssh root@192.168.1.1

  sync && passwd

  apk update && apk add 'luci' && sync

==== Windows ====

****

  "%UserProfile%\Downloads\OpenSSH-Win64\ssh.exe" root@192.168.1.1

====== LuCI ======

  * :!: http://192.168.1.1/cgi-bin/luci/admin/system/admin/dropbear

===== Settings =====

  * http://192.168.1.1/cgi-bin/luci/admin/system/system
  * http://192.168.1.1/cgi-bin/luci/admin/system/leds

===== cron =====

  * https://openwrt.org/docs/guide-user/base-system/cron#periodic_reboot
  * System -> Scheduled Tasks
  * :!: 2025/08/28: Not actively used ((sometimes freezes on reboot, needing manual plug-pull))

<code>
# Restart 3:00 AM
0 3 * * * sleep '70' && touch '/etc/banner' && reboot

# End</code>

===== DNS =====

  * Quad9 (ECS)
  * [[servers:upstream_dns_servers|More DNS Servers]]

  2620:fe::11

  2620:fe::fe:11

  9.9.9.11

  149.112.112.11

===== Firewall =====

  HTTP

  80

  HTTPS

  443

====== Recovery ======

  * Back to NETGEAR stock firmware
  * Can also initial-flash OpenWRT

===== nmrpflash =====

  * https://github.com/jclehner/nmrpflash

  * Reason for the ''libpcap'' command: https://github.com/jclehner/nmrpflash/issues/27
  * :!: Use ''factory'' for OpenWRT image (not ''sysupgrade'')

  sudo ln -sv 'libpcap.so.1' '/usr/lib64/libpcap.so.0.8'

  sudo ~/'Downloads/nmrpflash-0.9.16-linux/nmrpflash' -L

  sudo ~/'Downloads/nmrpflash-0.9.16-linux/nmrpflash' -i 'enp6s0' -f ~/'Downloads/openwrt-ramips-mt7621-netgear_r6260-squashfs-factory.img'

  sudo ~/'Downloads/nmrpflash-0.9.16-linux/nmrpflash' -i 'enp6s0' -f ~/'Downloads/R6260-V1.1.0.84_1.0.1/R6260-V1.1.0.84_1.0.1.img'

  sudo ~/'Downloads/nmrpflash-0.9.25-linux-x86_64/nmrpflash' -L

==== Windows ====

=== Npcap ===

  * https://npcap.com/#download
  * Last tested: ''npcap-1.83.exe''

  * ''[x]'' Install Npcap in WinPcap API-compatible Mode

=== nmrpflash ===

  * https://github.com/jclehner/nmrpflash/releases
  * Last tested: ''nmrpflash-0.9.25-win32.zip''

  * https://www.netgear.com/support/product/r6260/#download
  * https://kb.netgear.com/000064951/R6260-Firmware-Version-1-1-0-88
  * Last tested: ''R6260-V1.1.0.88.zip''

  * Post-flash URL: http://192.168.1.1/BRS_index.htm

  "%UserProfile%\Downloads\nmrpflash-0.9.25-win32\nmrpflash.exe" -L

  "%UserProfile%\Downloads\nmrpflash-0.9.25-win32\nmrpflash.exe" -a "192.168.1.1" -f "%UserProfile%\Downloads\R6260-V1.1.1.88\R6260-V1.1.1.88_1.0.1.img" -i "net7" -M "255.255.255.0" -R "NA" -v