There are more things using CPU power that processes: IO, interrupts...
Openwrt its more complex. By default it only has telnet / ssh access.
But there's a web interface called LUCI which is similar. To flash openwrt you must flash the revert file first(go back to stock firmware) in the dd-wrt web upgrade, and then upgrade to openwrt with the stock firmware update.
here's the revert file: http://dl.dropbox.com/u/23958662/wr740nv4_webrevert.bin
Openwrt has wifi disabled by default, you must connect to it by ethernet.
Once it boots with the openwrt flashed, connect by telnet to 192.168.1.1
You will have to connect it to the switch of a router or something that can give internet.
so, if the main router has also 192.168.1.1 IP, you must change the openwrt ip first, to other range.
This is easy, by doing:
cd /etc/config
vi network
Then under "lan" section, change the 192.168.1.1 to 192.168.10.1, for example.
To insert text, press "i" first
Press ESC to return to normal mode
To exit saving the changes, go to normal mode and quickly press Shift+Z twice.
To discard any change press Control+Z
If you still don't know how Vi Editor works, check on the internet.
Once done, reboot to apply, then connect another ethernet cable between a switch and the openwrt router wan port, openwrt will automatically get internet if the main router has DHCP.
Connect again with telnet to the IP you set.
Check you have internet by doing ping google.es -w 4
If you get response, carry on.
Now do this commands
opkg update
opkg install luci
/etc/init.d/uhttpd enable
/etc/init.d/uhttpd start
After the last command, you will have the web interface, by entering the openwrt IP you set before in a web browser.
By default there is no password, just hit enter with a blank password.
There you can configure almost everything.
Keep in mind that a repeater and wireless bridge are a bit harder to make in openwrt. Check the openwrt forums for the configs, in the How To section.
Joined: 12 Sep 2012 Posts: 2 Location: Cape Town, South Africa
Posted: Wed Sep 12, 2012 10:09 Post subject: TL-WR740N v4.23
Hi all
I know you hate this question but i cannot find much clarity..
I just got the TP-Link TL-WR740N v4.23 yesterday & would like to flash dd-wrt onto it. I don't know what version to use - it doesn't seem that there's a stable release for this device. I don't really want a device that is not fully functional; although, I'm only connecting my modem to the WAN port (configured to PPPoE, put my credentials in etc), and connecting my PC to the LAN, and the WiFi signal is for my cellphone (and notebook). So, what should I flash, and in what order?
I have the current latest stock firmware (3.12.11 Build 120320 Rel.51047n).
The firmware is almost working, just few bugs, but it won't affect in most setups.
Try the latest dd-wrt, or openwrt if you want something more complex but with a deeper user manipulation (you can manually configure more parameters).
For any of them, upgrade in the web interface, in the section "firmware upgrade".
Connect with ethernet, not wifi, as a casual wifi disconnection during the upgrade may damage the router firmware.
I'd suggest that you search about the configuration of them before you upgrade.
If your computers knowledge is low, I'd suggest you to go with dd-wrt.
Its web interface is user friendly, and you will get your wan connectiong working fast.
If you find problems like low internet speed or usual disconnections it could be some bug in dd-wrt...then go for openwrt.
regards
I'm using tp link wr740n v4
i've upgraded dd-wrt 20/7...but i don't know why TX Power wrote 20dbm , but status system wrote 18dbm.
i want to increase tx power my wr740n >20dbm
how can i do?
Thanks for your help
hi
I've tried upgrading wr741nd v4 according to dabyd64 (gui upgrade).
I got the error:
"Error code: 18005
Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check the file name."
I've tried to change the file name to one of the TP-Link upgrade file names yet it failed.
My firmware is the latest in the TP-Link site: WR741ND_V4_120320.
Should I down-grade to some version in order to upgrade to the dd-wrt version?
should I try tftp? [how & when can I cause the wr741 to accept the put file?]
Please advice
hi
I've tried upgrading wr741nd v4 according to dabyd64 (gui upgrade).
I got the error:
"Error code: 18005
Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check the file name."
So what is the full file name of the file causing the above error?
Where did you get the file? _________________ Kernel panic: Aiee, killing interrupt handler!
I made several trails with several names including:
1. v2.bin [according to https://forum.openwrt.org/viewtopic.php?id=36735 yes not same model but same issue.. didn't worked for me. + trying the GargoyleRouter now.]
2. wr741nv4_en_3_12_11_up(110914).bin [tp-link official name for one of the updated tools in the site]
3. wr741nv4_en_3_12_11_up(120320).bin [official update name of my version]
4. wr741nv4_en_3_12_11_up(120620).bin [increased the version number for the sake of validation check of "updates only"]
all of them failed with the same error "Error code: 18005..."
using the GargoyleRouter gargoyle_1.5.7-ar71xx-generic-tl-wr741nd-v4-squashfs-factory.bin I was able to flash to the GargoyleRouter - and will try the dd-wrt
just for enriching my knowledge any idea why it failed? since file name probably isn't the issue are there keys which failed validation?
Tried it again (have 2 routers in my setup..) & got the same error.
+
The gargoyle-router refuses to upgrade this file as well (not sure if it's a bug or I should used the factory file or that there is an issue with the file).
Try the factory-to-ddwrt instead the webflash version.
The webflash is exclusive for dd-wrt.
If it still doesn't work, return to the stock firmware and then flash the factory-to-ddwrt version.