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

  * https://wiki.dd-wrt.com/wiki/index.php/Netgear_R6260
  * https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/latest/netgear-r6260/

====== Update ======

  * Command Shell -> Commands (top box) -> ''[Run Commands]'' (bottom green button) ((update and restart automatically happens shortly after download finish, [[https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1269628&sid=1f3ea9b71102c68432d79aff1ff08fcc#1269628|source]]))
  * [[https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/latest/netgear-r6260/|Date check]]

  * http://192.168.1.1/Diagnostics.asp

  wget -O '/tmp/firmware.bin' 'http://download1.dd-wrt.com/dd-wrtv2/downloads/betas/latest/netgear-r6260/r6260-webflash.bin'

  ping '192.168.1.1'

  ping -t "192.168.1.1"

====== Settings ======

===== Network Stack Tuning =====

==== Testing ====

  * 2025/10/04: VLC seemingly prefers a 60s+ buffer ((cuts out randomly 45s or less when router TCP/UDP timeouts were 15s))

  * http://192.168.1.1/Management.asp

  * TCP Congestion Control: ''highspeed''
  * Maximum Connections: ''1048576''
  * TCP Timeout: ''60'' seconds
  * UDP Timeout: ''60'' seconds

==== Defaults ====

  * TCP Congestion Control: ''westwood''
  * Maximum Connections: ''32768''
  * TCP Timeout: ''3600'' seconds
  * UDP Timeout: ''120'' seconds

===== Administration =====

==== Keep Alive ====

  * http://192.168.1.1/Alive.asp

  * Schedule Reboot -> ''[x]'' Enable Schedule -> ''[x]'' At a Set Time: ''02:45 Everyday''

====== Initial Flash ======

  * ''factory-to-ddwrt.img''

===== nmrpflash =====

  * :!: 2025/10/25: FreeBSD ''nmrpflash'' can't be used to initial-flash DD-WRT (([[https://github.com/jclehner/nmrpflash/issues/84|TFTP block rollover]]; [[#freebsd|NETGEAR stock]] flashes fine for webUI flash to DD-WRT later))

==== 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://download1.dd-wrt.com/dd-wrtv2/downloads/betas/latest/netgear-r6260/

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

  "%UserProfile%\Downloads\nmrpflash-0.9.25-win32\nmrpflash.exe" -f "%UserProfile%\Downloads\factory-to-ddwrt.img" -i "net7" -v

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

  * Back to NETGEAR stock firmware

===== nmrpflash =====

==== FreeBSD ====

  * [[bsd:freebsd_15.0_xfce|FreeBSD 15.0 (Xfce)]]

  su -

  pkg install 'nmrpflash'

  nmrpflash -L

  nmrpflash -a '192.168.1.1' -f '/home/espionage724/Downloads/R6260-V1.1.1.88/R6260-V1.1.1.88_1.0.1.img' -i 'em0' -M '255.255.255.0' -R 'NA' -v

  pkg remove 'nmrpflash'

  exit

==== 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