Linksys E2500 DD-WRT Upgrade Instructions and Enabling 5ghz with Tomato Firmware -

Linksys E2500 DD-WRT Upgrade Instructions and Enabling 5ghz with Tomato Firmware

1.) Flash directly to this file:

*I was never able to get the larger "Mega" file to work, at least not initially so I recommend the file above.

To enable 5ghz I had to do the "Clear NVRAM" Option before it was shown.

2.) Or if you don't need 5ghz (most devices do not support it and cannot see it) I prefer DD-WRT:

Latest versions here:


dd-wrt upgrade problems when you have more than one unit that you have accessed before from the same browser.
Clear cache and cookies

#when upgrading make sure you choose reset to firmware defaults or you may have problems getting web interface after like me!

I could not even reboot the connection would reset on me until I cleared cache and cookies it seems it was inteferring from another dd-wrt that was on the same

After upgrading only telnet was up (no port 80 web interface):

Connected to
Escape character is '^]'.

DD-WRT v3.0-r29218 mega (c) 2016 NewMedia-NET GmbH
Release: 03/07/16

Linksys E2500 login: root
     ___  ___     _      _____  ______       ____  ___
    / _ \/ _ \___| | /| / / _ \/_  __/ _  __|_  / / _ \
   / // / // /___/ |/ |/ / , _/ / /   | |/ //_ <_/ // /
  /____/____/    |__/|__/_/|_| /_/    |___/____(_)___/
                       DD-WRT v3.0

BusyBox v1.24.1 (2016-03-07 09:39:54 CET) built-in shell (ash)

root@Linksys E2500:~# reboot
root@Linksys E2500:~# Connection closed by foreign host.

#this did not fix it so I held the reinitialize button on the bottom of the unit for 10seconds
#this did fix it with the reset/reinitialize (I should have chose reset to defaults when upgrading)
I still have this problem even when choosing reset to firmware defaults

  • wget how to resume download!
  • strange vi errors in Linux Mint/Ubuntu line 58: E488: Trailing characters: t_Sbet line 63: E171: Missing :endif
  • MySQL Add multiple IPs for remote user including root howto
  • cPanel error Access denied for user 'root'@'localhost' when adding remote MySQL IP address solution
  • Text Editors - Top Linux Ubuntu/Debian/Mint Options
  • Linux shows my drive as being dead is it really? Buffer I/O error on device sdb, logical block 0 sd 3:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
  • use ffmpeg to watermark videos if mencoder/bmovl fail
  • mencoder bmovl error vf_bmovl: Unknown command: ''. Ignoring.
  • Linux Mint/Ubuntu/Debian Nvidia driver becomes slow graphics performance issue
  • Linux Mint missing ffmpeg solution to install from Ubuntu PPA
  • phpBB3 slow and internal dummy connection
  • check if Apache uses worker MPM or prefork MPM
  • text to speech for Linux
  • How to convert xlsx/xls Excel file into csv
  • Linux bash script how to generate a random password using /dev/urandom
  • ssh forward multiple ports in the same connection and command even works with NAT!
  • How to create openssl md5 password hash to use in /etc/shadow using bash
  • Avocent DSR8020 KVM/IP - Network Connect Error - Solution
  • PHP Parse error: syntax error, unexpected '[' in phpBB3/vendor/react/promise/src/functions.php on line 15
  • tar extraction changes ownership of /root directory