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 Tp Link TL-MR3420 3G/3.75G router owner club V1

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kizwan
post Feb 27 2012, 01:05 PM

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QUOTE(cubesquare @ Feb 27 2012, 01:17 AM)
Hi, if connect using sony phone
for phone side, need to do any configuration?
or will auto recognize the phone?
*
Just need to set "Phone as a modem" or similar.
kizwan
post Feb 28 2012, 08:01 AM

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Use Hyperterminal http://www.hilgraeve.com/hyperterminal-trial/

If you got blank window when connected to your modem COM port, try press Enter to activate it.

This post has been edited by kizwan: Feb 28 2012, 08:06 AM
kizwan
post Feb 29 2012, 09:38 PM

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QUOTE(ks98 @ Feb 29 2012, 09:58 AM)
I used Putty to disable MF190 before. The first thing is you need to set correct COM port and then, type the command via keyboard and press "Enter". For my case, I didn't see anything on screen when I typed but if you waited for a while, then you'll see a response from the terminal on whether the command is successful.
Yes, exactly like that. I don't know how to explain it in a layman way. Sometime you need to press Enter before you can see any output in Putty or Hyperterminal window.

This post has been edited by kizwan: Feb 29 2012, 09:39 PM
kizwan
post Mar 1 2012, 12:32 AM

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I also faced the same scenario when using stock firmware. The download speed is very slow when connected to router. After I changed to OpenWrt firmware, I get full speed like when connected directly to my notebook.
kizwan
post Mar 4 2012, 01:16 AM

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QUOTE(fat16 @ Mar 3 2012, 09:00 AM)
Can u do some tutorial how to install OpenWrt firmware ?
*
Flashing OpenWrt firmware is very easy. But after flashing OpenWrt firmware, you need to do initial configuration. This is where your basic knowledge on linux in text-mode will be needed. This is summarized version on how to do the initial configuration:-
QUOTE(kizwan @ Dec 18 2011, 10:37 PM)

  1. Reset router to factory settings.
  2. Install openwrt firmware. (http://wiki.openwrt.org/toh/tp-link/tl-mr3420)
  3. Telnet to router
    CODE
    telnet 192.168.1.1

    Set root password:-
    CODE
    passwd root

  4. Now you can connect to router using SSH (use Putty).
  5. Install Web GUI. (http://wiki.openwrt.org/doc/howto/luci.essentials)
  6. Configure 3G function. (http://wiki.openwrt.org/doc/recipes/3gdongle)

*
Which firmware I use (for no. 2):-
QUOTE(kizwan @ Dec 21 2011, 02:58 AM)
I use firmware "Web interface" (in "None" column), branch Trunk, under "*-factory.bin" table/release ( http://wiki.openwrt.org/toh/tp-link/tl-mr3420 ).
*
QUOTE(fat16 @ Mar 3 2012, 09:00 AM)
Which Web interface LuCI or Gargoyle noob friendly ?
*
I don't know. I only use LuCI & it only need minor configuration.
  1. Network > Interfaces > (add interface for 3G)
    user posted image
  2. Network > Wifi > (add wireless)
    user posted image
  3. Network > Firewall > (add 3g zone)
    user posted image


This post has been edited by kizwan: Mar 4 2012, 02:01 AM
kizwan
post Mar 4 2012, 12:35 PM

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You should connect to 3g modem COM port using Putty or Hyperterminal. Follow the PDF file at first post.
kizwan
post Mar 27 2012, 01:03 AM

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Did you remember to set the IP address on the computer you're using? The IP address must in the same subnet 192.168.1.X

This post has been edited by kizwan: Mar 27 2012, 01:04 AM
kizwan
post Mar 27 2012, 01:22 AM

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The router (MR3420) IP address is 192.168.1.1

So, your computer should use IP address in the same subnet, 192.168.1.X

For your computer, you can use any IP address in this range: 192.168.1.2 - 192.168.1.254

Just set the IP address on your computer to 192.168.1.2
kizwan
post May 11 2012, 07:54 PM

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Latest firmware at TP-Link Malaysia also 110617.

http://www.tp-link.com.my/support/download...ersion=V1#tbl_j

http://www.tp-link.sg/support/download/?mo...ersion=V1#tbl_j
kizwan
post May 11 2012, 08:05 PM

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QUOTE(digilife @ May 11 2012, 06:16 AM)
recently my MR3420 behave strangely, internet speed never exceed 3Mbps, mostly max out at 2Mbps

frustrated, done a FW upgrade

and after the upgrade, speed increased tremendously

but i only upgrade the FW and din do Factory Default and Reboot to use back my previous settings  thumbup.gif

[attachmentid=2835212]

user posted image
*
You should censored/cover the MAC address. It's like your IC number.
kizwan
post Sep 14 2012, 12:26 PM

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MR3420 settings for 300Mbit/s speed (40MHz channel width). In case you guys unable to get 300Mbit/s connection, use this settings. Only for OpenWRT firmware & only with wireless card that support 40MHz channel. Also for 802.11n connection, security mode must WPA-AES or WPA2-AES (WEP & WPA-TKIP are not supported).

user posted image

Settings:-
(Set Channel = Auto)
user posted image

(Set "HT Mode" = "40MHz 2nd channel above")
user posted image
kizwan
post Sep 14 2012, 03:07 PM

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I'm still using my old Sony Ericsson K660i phone.

Added on September 14, 2012, 7:56 pmWhenever I get SMS/MMS on the phone (from Maxis & 3rd party who trying to scam our money), the phone battery will not charging anymore & it will shutdown when the battery completely drained. This is annoying especially while playing BF3. Does anyone know how to block SMS/MMS?

This post has been edited by kizwan: Sep 14 2012, 07:56 PM
kizwan
post Sep 25 2012, 07:41 PM

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QUOTE(chuahcs79 @ Sep 24 2012, 03:59 PM)
just set different channel or change to wireless G,.

i did the fruitie step change to wireless G, and everything superb now,  thumbup.gif
*
I have no problem with wireless N. All three of my devices doesn't have "limited connection" problem. My dell notebook have Intel 5300 bgn & my asus notebook have Atheros ar9285 bgn wireless cards. My other device is Samsung Galaxy Ace. What wireless card do you have?
kizwan
post Oct 17 2012, 09:31 PM

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QUOTE(Ruzumaki @ Oct 17 2012, 07:27 PM)
My MR3420 cannot survive with TP-link official firmware.
Official firmware throttle my speed to 0.1~0.01mbps speed
So I did some research and found the tutorial to flash openwrt on this website. I find it very Newbie Friendly, so I decided to share the link here.
http://www.kaskus.co.id/showthread.php?t=10124215

Don't forget to remove the %2A when download the openwrt firmware
http://www.4%2Ashared.com/file/LqtTaVCL/openwrt-mr3420-v1-squashfs-fac.html

Flashing openwrt require patient and time, configure can be tough for newbie. I manage to install miniupnp and setup DNS myself by googling for 1 days. I brick once my MR3420 once for wrong DNS configuration, but I manage to save back my router due to the very powerful failover function.

Openwrt is damn fast and powerful, allow 3G modem to successfully dial connection within 10sec. Damn love openwrt now, my speed damn so consistent all the time 10mbps++

Now I facing a problem is that my 3G modem will dc after idle sometime (few hour), it always dc when there is very less Active IP Connections. (DC when I didn't open any download) I always face dc problem when I put the connection to be on and idle overnight. Although I have set my auto-disconnect value to 0 or a very large value, the DC problem still occur when there is very less Active IP Connections and it idle for long time.  The auto-reconnect function in Openwrt is not working as what I expected

I saw something like this in my log, I notice there is auto-reconnect mechanism running but it is not successful. I click restart connection button on openwrt network interface webconfig page but it still fail to connect. I found that I have to manually restart the network interface (WAN) so that it only can successfuly reconnect. I use  ifdown wan0 ifup wan0 in SSH to let it restart the network interface.  Anyone have idea/script how to solve this?

Logs
» Click to show Spoiler - click again to hide... «

*
I got the same problem with official firmware, speed limited at 1.5Mbps only. OpenWRT solved the problem.

I also got the same problem (auto disconnect when idle) with one of the OpenWRT released but forgot the version. BTW, I got different error in the log. Try version r32130 or r32930 from trunk. I'm currently on the latter.
kizwan
post Oct 18 2012, 03:24 PM

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QUOTE(chuahcs79 @ Oct 18 2012, 01:55 AM)
can give me the link where to download the firmware u are using ?  icon_question.gif

Added on October 18, 2012, 5:40 amspeed this hour on tp link stock firmware  is good,

user posted image

so i think after all no matter whether tp link stock firmware or open wrt firmware, still depends on maxis,.

the Open WRT firmware can't Reconnect after DC doh.gif

as i try just now,. so is  doh.gif
*
I got your PM.

When I first use OpenWRT, I use image from trunk. Trunk doesn't have web interface & I installed it manually (my choice is LuCI) but trunk currently down ( I don't know since when: http://downloads.openwrt.org/snapshots/trunk/ar71xx/ ). It worked quite good & auto-reconnect after dc. Then I tried image from stable branch (named "Backfire": http://downloads.openwrt.org/backfire/10.03.1/ar71xx/ ) but it have a couple of bugs including failed to auto-reconnect after dc & some other bug I don't remember (these bugs probably got fixed or not with later/latest release).

Now I'm using beta branch named "Attitude Adjustment" ( http://downloads.openwrt.org/attitude_adju...ar71xx/generic/ ) & works great. The auto-reconnect take around 20 seconds after dc.

For trunk image, I did explain how to flash & configure (install web interface, 3g, etc) over here:-
http://forum.lowyat.net/index.php?showtopi...post&p=49464934

At the moment I recommend image from "Attitude Adjustment" branch. It have LuCI web interface by default.
  1. Make sure your MR3420 currently using official firmware.
  2. Download "openwrt-ar71xx-generic-tl-mr3420-v1-squashfs-factory.bin" & flash to your MR3420 router/modem (make sure you're connected to MR3420 using network cable, not wireless).
  3. After successful flash, open http://192.168.1.1 . It will ask you to set the password.
  4. [Skipped part where I configure the MR3420 to be able to connect to internet for next steps.]
  5. In OpenWRT (LuCI) web interface ( http://192.168.1.1 ), go to System >> Software & click "Update lists" button.
    If it failed to update, go to (System >> Software) Configuration & change the first line to this:-
    CODE
    #src/gz attitude_adjustment http://downloads.openwrt.org/snapshots/trunk/ar71xx/packages
    src/gz attitude_adjustment http://downloads.openwrt.org/attitude_adjustment/12.09-beta/ar71xx/generic/packages

    Then click "Update lists" button again.
  6. Then at "Status" section, click "Available packages" & install these packages:-
    • comgt
    • kmod-usb2
    • kmod-usb-ohci
    • kmod-usb-uhci
    • kmod-usb-serial
    • kmod-usb-serial-option
    • kmod-usb-serial-wwan
    • kmod-usb-acm
    • luci-proto-3g

    Optional package if your device initially present as USB storage device (check in http://192.168.1.1 >> Status >> Kernel Log). Per-instruction from OpenWRT website:-
    QUOTE
    • modeswitching tools, if your modem initially presents itself as a storage device - one of the following, depending on your modem:
      • usb-modeswitch and usb-modeswitch-data (recommended) A mode switching tool for controlling "flip flop" (multiple device) USB gear.
      • sdparm - utility to send SCSI commands (needed on Ovation MC935D)


    If you don't know whether you need or not, just install these packages too:-
    • usb-modeswitch
    • usb-modeswitch-data
  7. Go to Network >> Interfaces >> "Add new interface...":-
    ** Depend on the modem, the "Modem device" usually /dev/ttyACMx (e.g. /dev/ttyACM0 or /dev/ttyACM1) or also can be /dev/ttyUSBx
    » Click to show Spoiler - click again to hide... «
  8. Done.
The only reason I use OpenWRT is because with official firmware the connection speed is capped at 3G only even though the connection is HSDPA. With OpenWRT, this problem solved. I'm using Sony Ericsson K660i.

I have seen a 3G modem, can't remember which brand, got "fat" because of heat but my Sony Ericcson K660i phone works just fine without any fan cooling it & it running 24/7 since 4 years maybe. My MR3420 will be one year old this 30 October & also doesn't have fan cooling it either. Works well so far & doesn't hang even if I accidentally bumped it (I did knocked it with my fist because my phone suddenly off while playing BF3 smile.gif ). Also wireless N connection works ok for me, connected at 300 Mbps, no drop of connection at all & the coverage quiet good.

This post has been edited by kizwan: Oct 18 2012, 09:25 PM
kizwan
post Oct 18 2012, 06:57 PM

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QUOTE(chuahcs79 @ Oct 18 2012, 03:57 PM)
i stuck @ failed to update,.

is there anything i did wrong ? i have to flash back to tplink stock firmware to get online  doh.gif  sweat.gif
*
QUOTE(blacktubi @ Oct 18 2012, 03:58 PM)
You can't run "opkg update" because it required a working internet connection. sweat.gif
*
^^ Yes, what blacktubi said. According to your latest post you able to get it working. If you still need help on this let me know.

QUOTE(chuahcs79 @ Oct 18 2012, 05:32 PM)
after trying everything,

stuck @ modem device :

i try all below :

/dev/ttyACM0
/dev/ttyACM1
/dev/ttyUSB0
/dev/ttyUSB1
/dev/ttyUSB2
/dev/ttyUSB3
/dev/ttyUSB4
/dev/ttyUSB5
/dev/ttyUSB6


none of them able to device my both ZTE MF680 or E372  doh.gif  rclxub.gif

Added on October 18, 2012, 5:52 pmthink for a noob of linux like me better stay with stock firmware

as i remember Fruitie say: why try to fix when ain't broken  biggrin.gif
*
Yes, 1000 times infinity agree; don't fix if it ain't broken. But for the sake of argument & for knowledge, you can figure this out by look at log file in MR3420. Example:-
  1. Connect to your MR3420 via ssh protocol using Putty:-
    user posted image
    Enter username (root) & password (you set earlier).
  2. Disconnect & reconnect your modem to MR3420
  3. In putty, type in:-
    CODE
    logread | more

    and press Enter
  4. Then navigate the "log" using Up & Down arrow buttons on your keyboard until you see something like this (you need to look for "USB device" or similar):-
    user posted image
    It will give you idea which one you need to select in drop down menu.
kizwan
post Oct 18 2012, 07:59 PM

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QUOTE(xernix @ Oct 18 2012, 07:46 PM)
Where is usb-modeswitch & usb-modeswitch-data package? Should also install those 2 packages. They contain usb modem drivers. Well I'm using old Trunk  r33251, does the AA 12.09 beta come with those 2 package by default?
*
QUOTE
modeswitching tools, if your modem initially presents itself as a storage device - one of the following, depending on your modem:
usb-modeswitch and usb-modeswitch-data (recommended) A mode switching tool for controlling "flip flop" (multiple device) USB gear.

There are not modem drivers. Both not needed if you already disabled the autorun (on some modems that have internal software for dialling 3G connection). There are not installed by default in AA branch image & I didn't install them either.

This post has been edited by kizwan: Oct 18 2012, 08:03 PM
kizwan
post Oct 18 2012, 08:57 PM

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QUOTE(Ruzumaki @ Oct 18 2012, 08:13 PM)
Do you think usb-modeswitch and usb-modeswitch-data is require as well?
*
I don't need it though & I didn't install them either. Per-instruction from OpenWRT website:-
QUOTE
modeswitching tools, if your modem initially presents itself as a storage device - one of the following, depending on your modem:
usb-modeswitch and usb-modeswitch-data (recommended) A mode switching tool for controlling "flip flop" (multiple device) USB gear.

you will need it if your device also appear as storage device.

This post has been edited by kizwan: Oct 18 2012, 08:58 PM
kizwan
post Oct 18 2012, 09:15 PM

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QUOTE(xernix @ Oct 18 2012, 07:46 PM)
Where is usb-modeswitch & usb-modeswitch-data package? Should also install those 2 packages.
*
QUOTE(Ruzumaki @ Oct 18 2012, 08:31 PM)
chuahcs79,
I think the problem that your MF680 and E372 is not detected is due to this 2 module
usb-modeswitch and usb-modeswitch-data
I having the same problem becos I follow blindly on kizwan guide.  rclxub.gif
kizwan guide is very good already, I think he just forgot to mention on usb-modeswitch and usb-modeswitch-data

Remember to reboot router after install all the module
I manage to connected to 3G using ttyUSB1
*
Thank you to both of you for pointing that out. I only have one modem, so I don't know the importance of the two packages. I already updated my guide here:-
http://forum.lowyat.net/index.php?showtopi...&#entry55423902

QUOTE(maxcheam @ Oct 18 2012, 09:03 PM)
I find that the order of installing the packages is quite important especially for E367 and E372. No issues with E1762 though.

Here's what I have on mine:
luci-proto-3g
kmod-usb-serial
kmod-usb-serial-option
usb-modeswitch
usb-modeswitch-data

Running this command from command prompt as what kizwan shown via putty is the fastest way:
1. Login as root
2. opkg update
3. opkg install luci-proto-3g kmod-usb-serial kmod-usb-serial-option usb-modeswitch usb-modeswitch-data
4. sync
5. reboot

I don't know if it works for ZTE modems or not. Might want to give it a try. biggrin.gif
*
That is odd. It shouldn't doesn't matter. Anyway, your feedback can help others with the same modem.

QUOTE(chuahcs79 @ Oct 18 2012, 09:03 PM)
wow after load the  usb-modeswitch  &  usb-modeswitch-data my ZTE MF680 connect in 1 second after reboot  shocking.gif

it was done now, whewww,.

big thanks to -> Kizwan

also thanks to ruzumaki too  notworthy.gif
*
Congratulations! smile.gif
kizwan
post Oct 25 2012, 06:04 PM

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MR3420 v2 still using the same wireless card like v1 used which is AR9287. So, in WLAN, you will not see any improvement. I only buy if TP Link put dual-band (2.5GHz + 5GHz) wireless in their router. AR9287 only support single-band wireless. Dual-band routers are more efficient, have longer range, are less prone to interference from household devices, such as microwaves and older cordless phones, and are faster.
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