TP-Link 3G/3.75G Router :: MR3420 - Works In 3g Only Doesn't Work In 3g Preferred
Dec 24, 2012
Region : India
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.12.21 Build 120523 Rel.37880n
ISP : Reliance
I've just set up a MR3420. It works fine in "WAN only" mode and provides access via our ADSL modem. It also works fine in "3G only" mode and provides access via a Reliance Netconnect+ USB modem (a Huawei E150 I think). I updated the firmware to the latest version in order to get it to work with the USB modem.
The problem I have is that when I set it to "3G preferred" it doesn't seem to connect over 3G. I can see it tries to connect but then fails and then WAN takes over. The connect and disconnect options are greyed out on the 3G page so I am unable to manually get it to retry. I've tried leaving it for a long time but it doesn't seem to connect over 3G ever. I've tried setting 3G to connect on demand and connect automatically but both behave the same.
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Jan 24, 2013
Region : Austria
Model : TL-MR3420
Hardware Version : V2
Firmware Version : TL-MR3420_V2_121206
ISP : 3
I am using a MR3420 V2 together with a E398 modem. The connection works well, but I can't do any port forwarding (virtual server). Using another router (Tiny Dovado) with the same E398 modem works flawlessly to forward ports.
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Jan 15, 2013
Region : New Zealand
Model : TL-MR3420
Hardware Version : V2
Firmware Version :
ISP : Telecom New Zealand
getting the MR3420 but will be using a ZTE 669 Turbo stick as the modem ISP Telecom New Zealand.I did notice that they seem to be supporting the ZTE 668+ which I'm guessing is a vary similar model.
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Mar 29, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Cellcom 3g - Israel
My USB Modem HUAWEI E173 not work as well with TL-MR3420 Its lose Identify every almost 15 minutes , and try to Identify again and some times not successfully until I reboot the unit . then its Identify successfully , after some minutes the problem happen again and again . I think its from the router software issue that it have not the correct driver of the modem .
also , the signal of the wireless not that good like the other routers which I used before .
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May 1, 2013
I have a E4200 v1, connected with a few PCs by ethernet ports and various devices by wifi. Now the wireless devices work perfectly but sometimes the PC via ethernet ports cannot connect to LAN and internet.
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May 26, 2012
I didn't install new program or make a lot of change in my computer lately?Anyway here's the ipconfig/all result of my computer
Windows IP Configuration
Host Name . . . . . . . . . . . . : asus-95bdea2abb
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
[code]...
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Apr 4, 2013
I have been using my laptop since a year now and yesterday suddenly my internet stopped working. On top of the connectivity bar a yellow sign appeared. Now my internet status is "No internet access" but when i connect my ethernet cable the internet starts working and i can see the "Internet access" status. I have re-installed my wi-fi driver too from the orignal CD that i got with my laptop, but still no luck also i did not install anything in past 1 week and the only anti-virus i have is Avast (tried disabling it too). I plugged out the cables from my router and plugged them again but that dint work too. There are 2 other laptops (running on windows 7 just like mine) on which the wifi connection is working but on mine it is not working.
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Mar 13, 2013
I try connecting via ethernet cable and it doesn't seem to work until the administrator of the network (my brother) comes home and then turns his computer on and starts using it. However, if i switch to a wireless adapter it sometimes works (like right now) even when my brother is not using the internet. Also, i tried to connect via wifi on my macbook pro to the same server and it used to work flawlessly 100% of the time, now i can only connect once in a while for short periods of times.
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Nov 5, 2012
I've got a 3560-X that passes POST according to console, but there are issues nonetheless...USB console doesn't work. RJ45 works just fine. No status lights turn on at any point (e.g. syst, xps...). 10g network module is installed with a 10g LRM SFP. All lights on the module are amber. However, it passes according to POST. Switch passes traffic, obeys config, etc. Link lights on RJ45 ports work fine. This was brand new out of the box. Thinking about trying IOS reload..
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Apr 18, 2013
I have a pair of OLD Cat6500's running CatOS:
WS-C6509 Software, Version NmpSW: 7.6(16)
Copyright (c) 1995-2005 by Cisco Systems
NMP S/W compiled on Dec 22 2005, 16:37:19
System Bootstrap Version: 7.1(1)
System Boot Image File is 'bootflash:cat6000-sup2k8.7-6-16.bin'
System Configuration register is 0x2
I know these are no longer supported, but I have to ready them for migration. Recently a problem began with these switches. What happens is that when I telnet to them, I cannot authenitcate via TACACS. This works fine for all our other IOS equipment, just not for these 2 switches. The error is:" % Error in authentication" and then I get kicked back to the login prompt.
The odd thing is that when I connect to the switch via the console port, I can authenticate fine with TACACS.
CMS> /c 14
[Code].....
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Mar 18, 2013
Region : Germany
Model : TL-MR3040
Hardware Version : V1
Firmware Version :
ISP :
Just got TL-MR3040 from amazon, not very happy that it is version 1, they could at least mention it in the description, but whatever...The problem is, i can not make it work with my PC laptop(thinkpad x120e with Windows 7 64 bit). Which means,1 not possible to get into web interface to configure it, and 2 if i configure it with old powerbook (os x 10.4) to share internet from usb stick, i can connect to it's wireless network but it doesn't share internet with my pc laptop,while mac and ipad working perfect...I've try to log in into web interface through the cable, still no luck...Not sure i want to re-install the whole system on my laptop just to see if it will change anything, it works with any other router, and usb sticks...
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May 7, 2011
hardware version D3, FW 4.10 and 4.11 same problem.
i tried with 4 wlan adapters: two of them support 802.11b/g, they always work find no matter which settings. the other two support 802.11b/g/n, as default "n" is enabled, so does DIR-615, both wlan adapters can be connected to DIR-615, they get their LAN-IP, but they can access neither DIR-615(no respone to ping) nor internet. but if i disable "n" mode either in the adapter or in DIR-615, everythin works fine, of course only with 54mbit max.
so what can i do to use the n mode?
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Dec 4, 2012
Region : Finland
Model : TL-MR3420
Hardware Version : V1
Firmware Version : cannot login to check it out
ISP :
Cannot login in to 192.168.1.1 - I have even reset the router - yesterday it worked well - today not - i ahve not done any update.
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Aug 10, 2011
The DIR-825 wireless simply doesn't work. When I called tech support, we cleared some settings and hard-powered the unit on/off and it finally turned on the wireless radio. A couple weeks later I pull out my laptop to use in the house via wireless and the wireless on the DIR-825 is OFFLINE AGAIN...fallen and it can't get UP.Is anyone having issues with keeping their wireless online? OK - powered it off for 5 minutes...now the wireless is working. I think changing configuration settings causes the thing to lock up.
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Feb 3, 2013
Recently I bought a Windows 8 (64bits) computer, which is now part of my home network, but it has problems with Shareport. The other computers can be easily connected to a USB printer on my DIR-825 (HW B1) router, but the W8 computer refuses to completely install Shareport (both the CD version and the latest download v1.17). I also tried Shareport-Plus v4.11 (found on the DIR 835 page), which did install correctly, but was still unable to see the USB printer. What can be done? Can D-Link provide a new version of Shareport?
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Dec 25, 2011
I can't get my brand new DCS-930L cam to connect to my network by using the WPA / WPA2 encryption. Works ok wired, with WEP or with no encryption enabled. Red led is on the front. I've tested sw version 1.02, 1.03 and the latest 1.04b03. Same result: WPA doesn't work. I have a Thomson TG789 Gateway/Router as provided by my ISP. All other units in the network works perfectly fine on WPA i.e. PC, Mac, printers, mobile phones etc etc.
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Jan 6, 2011
I have a DSL router Pirelli PDF A1000G.I have a Linksys e3000 and I have a dap-1522.When I bought a dap-1522 I thought it could do access point in fact i saw many videos in dlinktv before choosing an access point from DIY with mike etc to youtube there are 2 videos one showing bridged mode and another ap mode!Now what happens is this I have upgraded from firmware 1.11 that came as default to 1.21 i connect it wired to my linksys e3000 when it is connected with the ethernet cable wired I can connect to the internet and navigate and open sites and my ps3 can connect to it but my range is not very good only 40%!
Now I bring it downstairs remove the ethernet cable and connect it to the power and then you can connect to it but since it isn't connected to my router which is upstairs i can't access websites neither can I play on my ps3!I don't know does only ap mode works when it is connected to the router wired because what happens is if you don't put ethernet cables in the back of the dap-1522 and just connect it to power then here doewnstairs you can connect to the dap-1522 my signal is like 87% but while I'm connected with my laptop I can't access websites and in the ps3 I can't connect!
and choose access points there are (4) listed: dap-1522, dap-1160, dap-1353 and dap-2553, I thought of buying dap-1522 because it could support abgn while 1160 only supports g and 1353 only supports n to repeat to signal here downstairs and be a good access point!
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Nov 21, 2012
i have a DIR-615 Rev C1, firmware 3.13.
After a reboot my password doesn't work anymore (wich is normal I guess) and all default passwords dont either. Such as ''Password'' or ''Admin''.
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May 12, 2011
Edit I've found a work-around. It's on page 2: [URL]
I'm having this really weird issue with my DIR-655 revB. I have some port forwarding rules set up and externally they work fine. However, if I try connecting to my IP address using those same ports from a computer within my LAN, it won't connect.
Externally, I can ping my WAN address and connect through forwarded ports. No problems. Internally, pinging my WAN address apparently works (just now is the first time that's worked for me), however I can't access any of my computers using the WAN IP and port forwarded ports. I can access them by going directly to their hostnames or LAN IPs.
Things I've tried:
-Disabling/enabling firewalls on all computers involved
-Disabling/enabling QoS engine
-Disabling/enabling DNS relay
-Disabling/enabling Advanced DNS
-Adding custom nameservers from Google and Comodo
-Restarting computers
-Clearing DNS cache (I use a dynamic DNS name which works externally but not internally. This gets the correct IP internally and connecting directly to the IP doesn't work either.)
-Modifying the NAT Endpoint Filtering settings
I have an external DSL modem connected to the router using PPPoE if it matters.
The weird part is that it works externally but I've modified all of the values I can think of in the config with no luck. I upgraded to the DIR-655 from a DIR-615 which had all these settings in it and worked fine (until it started acting up which is why I replaced it).
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Apr 13, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_121123
ISP : BIGPOND
My problem is whenever I upload anything, my modem disconnects. My USB Dongle is a Telstra Ultimate 3G Sierra Wireless AirCard 312U. The problem is not present whenever I connect the dongle directly into the USB port on my LapTop.
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Feb 5, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 120905 Rel.73281n
I have successfully connected to my ISP with the 3G USB dongle.But it seems like the PIN code is not saved. I have to enter it after a reboot of the router.
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Nov 26, 2012
Region : Colombia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_120523
ISP : CLARO
Does not find Modem. Just purchased it in Cartagena, Colombia to use with ISP Claro.Using Modem ZTE model MF 190
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Jan 9, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.13.1 Build 121123 Rel.57630n
ISP : Telenor
I have TP-LINK 3G/3.75G Wireless N Router Model # TL-MR3420 which is compatible with Telenor 3G USB ZTE MF190. With quick setup I have successfully configured the router, but the router does not connect with 3G ZTE MF190. I even called the Telenor helpline, they say that, they've no support for TP-LINK.
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Apr 26, 2013
Region : Israel
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.31 Build 130128 Rel.56595n (Beta)
ISP : Israel . Cellcom 3g
When I plug the USB Modem to the router its show
Unknown USB Modem
this is the 3 usb modem I tried after I had bought the TL MR3420
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Apr 24, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Airtel India
i Want To Add External Battery In My TL-MR3420 .. Is It Possible . Any One Try It Or Not . I Have Always Power Problem In My Home That's Why i Need Battery For My TL-MR3420... Any One Guide Me .. Any Hardware Diagram For It .. i'm Android Dev And hardware Eng .. If U Provide Me Hardware Diagram Or Any Other Info i Will Add External Battery In It ...
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Feb 11, 2013
[COLOR=#000000]Region : Australia
Model : TL-MR3420
Hardware Version : V2
rated DC power specifications of the usb port on the MR series? Is it the same for all TPLINK routers?ie 5v @ x amps?
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Apr 10, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V2
Firmware Version :
ISP :
I'm trying to replace my old router with the TL-MR3420 but I cannot reach Internet.
I get "Internet" directly by a Cable into my apartment. This Cable is connected to the WAN input. Then I connect my computer to one of the LAN ports. (The Cable Connections are done exactly as on my previous router.)
The setup on my PC (running Windows 8) is as described in the manual (IP address automatic and DNS server automatic).
Internet doesn't work and I cannot reach the router from the browser using 192.168.1.1.
I'm not using any 3G and of course I have restarted the router (and PC) a couple of times. I thought I could just replace my old router with the new one... but NOT.
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Apr 22, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : Not Clear
Firmware Version :
ISP : Telstra
Is remote administration over 3G connection possible? The telstra public IP is not pingable. (from externally) Goes no where when I put the public IP into a browser. (from externally) Any settings changes to enable this?
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Jan 16, 2013
Region : NewZealand
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 1.2
ISP : Now.
Is the TL-MR3420 (previous model/shape) compatible with ADSL2+? I can't find clear indication that it is or isn't
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Jan 13, 2013
Region : Malaysia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.12.21 Build 120523 Rel.37880n
Just wonder if anyone using the same model of router and having bad connection with wireless? Its OK with the pc LAN (physical cable) connection but intermittent lost signal, request timeout when connect from notebook or iphone/ipad via wireless whether with DHCP or fixed internal IP.
I am having this issue since day 1, then upgrade the firmware by myself... Still no good. I keep the device into store send to warranty claim. After 2-3 months only get back the device, firmware being updated to above.. It seems to be OK for 1st week( i think) ... but now lost signal again.
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Mar 8, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Vodafone India
I have just bought a MR3420 and although it works fine on WAN, it does not work with the Micromax mmx325G 3G usb dongle. How to get this working?
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Feb 26, 2012
Like others I see on this board, we've got middle- and high-school age kids whose access to FB and other sites needs to be controlled/scheduled.
I thought the DIR-655 was great, in that it has features that, on the face of it, would seem to be ideal for blocking domains and restricting access.
My problem: I've never been able to get this to work.
I've set up schedules and created lists of domains that I want to limit access to according to the schedules, but the only constraint I've ever gotten to stick is blocking access completely to the router.
*None* of the schedule-based or website-based access controls have ever worked; I'll put the block in place to my daughter's computer's MAC address so she shouldn't be able to get to youtube or facebook, save, bounce the router, but then I go by her room and she's still busily chatting away online to her FB friends.
Based on similar posts I've seen on this forum, this may not be a unique problem.
So in a nutshell, this is what I want to do:
1) Block certain computers (identifiable by MAC address)
2) from being able to get to particular named domains (and any of their sub-domains)
3) according to a schedule that I can create and modify.
My preference would be to do this in the router, but again, responses I've seen here suggest that may not be possible.
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Jan 5, 2011
My DIR-655:
Hardware Version: A4
Product Page: DIR-655
The problem is that Website Filer doesn't work if on STEP 3: SELECT MACHINE of Access Control the machine was selected by MAC address. When the machine was selected by IP everything is fine.The problem is that IP addresses are assigned dynamically, so how to make sure that the policy would be applied to the same machine?
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