TP-LINK TL-WR740N 741ND 841N and client bridge problem

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julesrulezsomehow
DD-WRT Novice


Joined: 04 Nov 2011
Posts: 1

PostPosted: Sun Nov 06, 2011 1:42    Post subject: Re: TP-Link TL-WR740N V2 frustration solution partially Reply with quote
franz47 wrote:
After spending many hours trying to configure my TP-Link TL-WR740N V2 as a repeater, searching a lot on the dd-wrt forum and elsewhere, reading that other users have the same problem and feeling very frustrated I have arrived at a solution with which I can live, although the result is not a real repeater solution. Maybe other  frustrated users are interested in the story.
At first how I did not succeed:
The first instructions I tried to follow were at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
I installed the Build 15778 from
http://www.dd-wrt.com/site/support/router-database
for the TP-Link WR740N V2 and then tried to follow the instructions at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
There is a chapter there on routers using the Atheros chipset. Trying to follow these instructions I could get a configuration which made a connection between laptop WLAN and the ath0.1 interface but I never could get a connection to the internet.
I then read the posting of penko_bg at
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=85130&highlight=
who briefly explained
>„first i connect like client with dhcp setings,then i make my router with different ip,and start dhcp >server,and final i add second network with different name(you can try to add second network with >same name, like client name network)“

and got the impression that all the time I had tried something which ist not possible

Then I found instructions at
http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater
From this:
>DO NOT USE THE RECOMMENDED BUILDS ON THE DD-WRT HOMEPAGE, those >are outdated and buggy.
and
>There is no "Repeater" mode on Atheros units, but you still can use it as repeater, just set the >original interface as "client" and get it to connect to your AP, then create a virtual interface to >broadcast the new SSID.

This explained why trying to configure a client-bridge was not successful.

So I installed the build 16994 from
ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2011/05-08-11-r16994/tplink_tl-wr740nv2/
and then followed the instructions cited above, which worked well.

Important from the instructions
>Also note that the device should be in GATEWAY MODE instead of ROUTER mode, otherwise >Masquerade/NAT does not happen.

So I ended up as follows:

On device A: Thomson ADSL-Gateway
WLAN-Access Point -1 ( DHCP server on) in subnet 10.0.0.X., SSID A

On device B: TP-Link TL-WR740N V2

Ath0 WLAN interface configured as CLIENT with same SSID Aconnected to WLAN-Access Point -1 receiving network configuration by DHCP server there, is also in subnet 10.0.0.X.

Ath0.1 WLAN-interface configured as AP with new SSID B. Subnet 192.168.1.X and DHCP-server on.

Means the WR740N works as a router connections wirelessly on the WAN-side:
WAN connection: WLAN-ath0
LAN-connection: WLAN ath.01 and the 4 or 5 LAN connectors.

I first tried out without any security, worked out. The same way it worked with WPA2 etc on both subnets.

The only drawback ist that the subnets are different and so at the moment I cannot access my network printer in subnet 10.0.0.X from PCs in subnet 192.168.1.X. But the main aim, to get a wireless internet connection to the end of my garden, is fulfilled. If one tries to get access on the two subnets it might be useful to define them as 10.0.0.X and 10.0.1.X and subnet masks permitting access between the subnets.

BTW I contacted TP-Link about differences between WR740N and WR740ND. They answered that there really is no difference except the detachable antenna. Why are there different firmwares for the two models?

I am still curious, whether anybody has succeeded to get a configuration with the secondary net having the same subnet and SSID? I have stored my configs to be able to get back to a working solution and will try to get a solution with the same subnet again, maybe it is still possible?

Regards
Franz47


thanks Franz47,

my wr740N v3 works now in client mode. to be honest. i have no idea why. Embarassed i dont know if this client mode thing is still an issue. in case it is i hope this short description could help you.

i did as franz described in his workaround.

now: ap0 connects to the main wireless-router
while ap0.1 opens a new wireless network with a different name for the clients to connect.

ap0 and ap0.1 seem to be routed as ap0 is in 192.168.0.X and ap0.1 in 192.168.1.1

I even can login to the mainrouter which is in a different ip-area my laptop is.
wan connection type under the main settings is set to automatic.

dhcp server is switched off. i am using fixed ips.


thanks again!
Sponsor
Waldo.Pepper
DD-WRT Novice


Joined: 07 Feb 2011
Posts: 3

PostPosted: Wed Feb 15, 2012 9:15    Post subject: Reply with quote
I don't mean to bite the open source hand that feed me, or seem ungrateful. Just sharing my story or creating a wireless bridge out of my TP-LINK TL-WR741ND ver 1.9.

Of course DD-WRT installed properly. And I installed it meticulously. I even got to the point where I could conduct a site survey and connected it successfully to the primary router in my household. But even after all that success, ip addresses would not pass through the TP-LINK to either wired or wireless clients.

I fiddled with it for over a week, reverting it to factory and back and forth thinking something minor had gone amiss. But no nothing was helpful. DHCP would not operate properly.

So finally as an experiment I installed OpenWRT using the gargoyle interface. Installation and configuration could not have taken more than ten minutes. After a reboot the device is now operating perfectly as a wireless bridge. Perfectly.

I am certainly no coder, but I am fairly savvy - and to me this points to something in need of repair.
macaddr
DD-WRT Novice


Joined: 10 May 2010
Posts: 27

PostPosted: Fri Feb 17, 2012 2:06    Post subject: Reply with quote
solution for client bridge issue.

http://www.dd-wrt.com/phpBB2/viewtopic.php?t=151010
Waldo.Pepper
DD-WRT Novice


Joined: 07 Feb 2011
Posts: 3

PostPosted: Fri Feb 17, 2012 7:18    Post subject: Reply with quote
Thanks. I looked at that, and for a duffer like myself it is not worth the trouble.
tezjet
DD-WRT Novice


Joined: 29 Feb 2012
Posts: 1

PostPosted: Wed Feb 29, 2012 20:49    Post subject: Reply with quote
Waldo.Pepper wrote:
I don't mean to bite the open source hand that feed me, or seem ungrateful. Just sharing my story or creating a wireless bridge out of my TP-LINK TL-WR741ND ver 1.9.

Of course DD-WRT installed properly. And I installed it meticulously. I even got to the point where I could conduct a site survey and connected it successfully to the primary router in my household. But even after all that success, ip addresses would not pass through the TP-LINK to either wired or wireless clients.

I fiddled with it for over a week, reverting it to factory and back and forth thinking something minor had gone amiss. But no nothing was helpful. DHCP would not operate properly.

So finally as an experiment I installed OpenWRT using the gargoyle interface. Installation and configuration could not have taken more than ten minutes. After a reboot the device is now operating perfectly as a wireless bridge. Perfectly.

I am certainly no coder, but I am fairly savvy - and to me this points to something in need of repair.



Same experience here! Was dealing with dd-wrt and not having any luck. I was getting transmission but no reception on my main wireless.

For the next person who lands on this thread having the same issues, here is my steps that I found thanks to User: Nilist over on the gargoyle forums

Quote:

OK, took the plunge and bought a TL-WR841N v7.2
As described by others, could not install the Gargoyle 1.4.5 v5 firmware through the TP-Link web interface (wrong HW version), so did the following:

1. Downloaded the latest OpenWRT build for v7 from here:
http://wiki.openwrt.org/toh/tp-link/tl-wr841nd
2. Downloaded the Gargoyle v5 factory image
(gargoyle_1.5.3-ar71xx-tl-wr841nd-v5-squashfs-factory.bin)<-- Link in download section over at gargoyles website. 1.5.3 Was the latest at the time
3. Installed the OpenWRT firmware through the TP-Link Web UI
4. The OpenWRT came without LuCI web interface, so used PuTTY to telnet to router to set password (telnet in using the stock 192.168.1.1 and type "passwd")
5. Used WinSCP to upload Gargoyle v5 factory image firmware to /tmp and rename to fw.bin
6. Opened a terminal window in WinSCP and executed

mtd -r write /tmp/fw.bin firmware


That's it! Now running Gargoyle 1.4.5 on TL-WR841 v7.2 almost without touching Linux
Alberto_di_holylander
DD-WRT Novice


Joined: 23 Nov 2011
Posts: 3
Location: Cartagena

PostPosted: Tue May 08, 2012 9:58    Post subject: Re: TP-Link TL-WR740N V2 frustration solution partially Reply with quote
franz47 wrote:
After spending many hours trying to configure my TP-Link TL-WR740N V2 as a repeater, searching a lot on the dd-wrt forum and elsewhere, reading that other users have the same problem and feeling very frustrated I have arrived at a solution with which I can live, although the result is not a real repeater solution. Maybe other  frustrated users are interested in the story.
At first how I did not succeed:
The first instructions I tried to follow were at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
I installed the Build 15778 from
http://www.dd-wrt.com/site/support/router-database
for the TP-Link WR740N V2 and then tried to follow the instructions at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
There is a chapter there on routers using the Atheros chipset. Trying to follow these instructions I could get a configuration which made a connection between laptop WLAN and the ath0.1 interface but I never could get a connection to the internet.
I then read the posting of penko_bg at
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=85130&highlight=
who briefly explained
>„first i connect like client with dhcp setings,then i make my router with different ip,and start dhcp >server,and final i add second network with different name(you can try to add second network with >same name, like client name network)“

and got the impression that all the time I had tried something which ist not possible

Then I found instructions at
http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater
From this:
>DO NOT USE THE RECOMMENDED BUILDS ON THE DD-WRT HOMEPAGE, those >are outdated and buggy.
and
>There is no "Repeater" mode on Atheros units, but you still can use it as repeater, just set the >original interface as "client" and get it to connect to your AP, then create a virtual interface to >broadcast the new SSID.

This explained why trying to configure a client-bridge was not successful.

So I installed the build 16994 from
ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2011/05-08-11-r16994/tplink_tl-wr740nv2/
and then followed the instructions cited above, which worked well.

Important from the instructions
>Also note that the device should be in GATEWAY MODE instead of ROUTER mode, otherwise >Masquerade/NAT does not happen.

So I ended up as follows:

On device A: Thomson ADSL-Gateway
WLAN-Access Point -1 ( DHCP server on) in subnet 10.0.0.X., SSID A

On device B: TP-Link TL-WR740N V2

Ath0 WLAN interface configured as CLIENT with same SSID Aconnected to WLAN-Access Point -1 receiving network configuration by DHCP server there, is also in subnet 10.0.0.X.

Ath0.1 WLAN-interface configured as AP with new SSID B. Subnet 192.168.1.X and DHCP-server on.

Means the WR740N works as a router connections wirelessly on the WAN-side:
WAN connection: WLAN-ath0
LAN-connection: WLAN ath.01 and the 4 or 5 LAN connectors.

I first tried out without any security, worked out. The same way it worked with WPA2 etc on both subnets.

The only drawback ist that the subnets are different and so at the moment I cannot access my network printer in subnet 10.0.0.X from PCs in subnet 192.168.1.X. But the main aim, to get a wireless internet connection to the end of my garden, is fulfilled. If one tries to get access on the two subnets it might be useful to define them as 10.0.0.X and 10.0.1.X and subnet masks permitting access between the subnets.

BTW I contacted TP-Link about differences between WR740N and WR740ND. They answered that there really is no difference except the detachable antenna. Why are there different firmwares for the two models?

I am still curious, whether anybody has succeeded to get a configuration with the secondary net having the same subnet and SSID? I have stored my configs to be able to get back to a working solution and will try to get a solution with the same subnet again, maybe it is still possible?

Regards
Franz47


Hi there! thanks all of you very much for your information Wink, it was very useful.

In my case I have a tp-wr740N v2.5 and I tried a couple of method mentioned here. However, the only which worked well was the one from Franz47. This is what I did:

- Followed the instructions here:
http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater



- Pay attention on this two milestones:
>DO NOT USE THE RECOMMENDED BUILDS ON THE DD-WRT HOMEPAGE, those >are outdated and buggy.
and
>There is no "Repeater" mode on Atheros units, but you still can use it as repeater, just set the >original interface as "client" and get it to connect to your AP, then create a virtual interface to >broadcast the new SSID.

So I installed the build from brainslayer:
ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2011/05-08-11-r16994/tplink_tl-wr740nv2/

and then followed the instructions cited above, which worked well.

Router A ( primary ) was configured as wifi access point ssidA and dhcp server, Router B (tp-link) was conected to router A in "client" mode. Then I created a wifi virtual interface with ssid B.
Security settings were the same.
It is important to set up the dhcp service and the wan interface on router B.

Works like a charm ! Smile

( More information in Spanish here : http://www.albertosuarezcaballero.es/blog/files/TL-WR740N-repetidor.php)

_________________
|| Comtrend CT-5361 running Gargoyle 1.3||
|| Netgear WNR3500v2 running dd-wrt.v24-14929_NEWD-2_K2.6_mini ||
|| Linksys WRT54G running dd-wrt.v24_mini_wrt54g-14929 ||
|| Tp-link tl-wr740n v2.5 running dd-wrt v24-sp2 std - build 16994 ||

Posicionamiento web
Apartamentos en la Manga
Alberto Suarez blog
masseto
DD-WRT Novice


Joined: 14 Jun 2011
Posts: 10

PostPosted: Sat Jul 28, 2012 17:35    Post subject: another way to use WR741ND as Client-Bridge with VAP Reply with quote
Due to its low price of only 15.50 € inkl. transportation with Post (new item, not second hand) this week I ordered for a friend that WR741ND to act as Wlan Client @a Sony Bravia. The Wlan USB Sticks of Sony are more expensive and he would like to have as well Wlan access @that room above.

So today I configured that piece to run as a kind of Repeater and it works. You will need about ~ 20 min for that.

Model: WR741ND V2.3
DD WRT 19519

First I set WR741ND as AP (running), than changed into Client Bridge (running) and added a VAP because a "Universal Repeater" Option is not available (running).

So for that small money is doing what was intended.

Because I´m too lazy to write it down, here you can see what we´ve done.

Maybe someone will help it.









according the last screen:

as well you can use your Wlan Router instead of one AP, in that case you have to use as IP (adapted to yours): 192.168.6.1
dapema
DD-WRT Novice


Joined: 26 Oct 2012
Posts: 2

PostPosted: Tue Nov 06, 2012 9:22    Post subject: Re: TP-Link TL-WR740N V2 frustration solution partially Reply with quote
julesrulezsomehow wrote:
franz47 wrote:
After spending many hours trying to configure my TP-Link TL-WR740N V2 as a repeater, searching a lot on the dd-wrt forum and elsewhere, reading that other users have the same problem and feeling very frustrated I have arrived at a solution with which I can live, although the result is not a real repeater solution. Maybe other  frustrated users are interested in the story.
At first how I did not succeed:
The first instructions I tried to follow were at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
I installed the Build 15778 from
http://www.dd-wrt.com/site/support/router-database
for the TP-Link WR740N V2 and then tried to follow the instructions at
http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge
There is a chapter there on routers using the Atheros chipset. Trying to follow these instructions I could get a configuration which made a connection between laptop WLAN and the ath0.1 interface but I never could get a connection to the internet.
I then read the posting of penko_bg at
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=85130&highlight=
who briefly explained
>„first i connect like client with dhcp setings,then i make my router with different ip,and start dhcp >server,and final i add second network with different name(you can try to add second network with >same name, like client name network)“

and got the impression that all the time I had tried something which ist not possible

Then I found instructions at
http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater
From this:
>DO NOT USE THE RECOMMENDED BUILDS ON THE DD-WRT HOMEPAGE, those >are outdated and buggy.
and
>There is no "Repeater" mode on Atheros units, but you still can use it as repeater, just set the >original interface as "client" and get it to connect to your AP, then create a virtual interface to >broadcast the new SSID.

This explained why trying to configure a client-bridge was not successful.

So I installed the build 16994 from
ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2011/05-08-11-r16994/tplink_tl-wr740nv2/
and then followed the instructions cited above, which worked well.

Important from the instructions
>Also note that the device should be in GATEWAY MODE instead of ROUTER mode, otherwise >Masquerade/NAT does not happen.

So I ended up as follows:

On device A: Thomson ADSL-Gateway
WLAN-Access Point -1 ( DHCP server on) in subnet 10.0.0.X., SSID A

On device B: TP-Link TL-WR740N V2

Ath0 WLAN interface configured as CLIENT with same SSID Aconnected to WLAN-Access Point -1 receiving network configuration by DHCP server there, is also in subnet 10.0.0.X.

Ath0.1 WLAN-interface configured as AP with new SSID B. Subnet 192.168.1.X and DHCP-server on.

Means the WR740N works as a router connections wirelessly on the WAN-side:
WAN connection: WLAN-ath0
LAN-connection: WLAN ath.01 and the 4 or 5 LAN connectors.

I first tried out without any security, worked out. The same way it worked with WPA2 etc on both subnets.

The only drawback ist that the subnets are different and so at the moment I cannot access my network printer in subnet 10.0.0.X from PCs in subnet 192.168.1.X. But the main aim, to get a wireless internet connection to the end of my garden, is fulfilled. If one tries to get access on the two subnets it might be useful to define them as 10.0.0.X and 10.0.1.X and subnet masks permitting access between the subnets.

BTW I contacted TP-Link about differences between WR740N and WR740ND. They answered that there really is no difference except the detachable antenna. Why are there different firmwares for the two models?

I am still curious, whether anybody has succeeded to get a configuration with the secondary net having the same subnet and SSID? I have stored my configs to be able to get back to a working solution and will try to get a solution with the same subnet again, maybe it is still possible?

Regards
Franz47


thanks Franz47,

my wr740N v3 works now in client mode. to be honest. i have no idea why. Embarassed i dont know if this client mode thing is still an issue. in case it is i hope this short description could help you.

i did as franz described in his workaround.

now: ap0 connects to the main wireless-router
while ap0.1 opens a new wireless network with a different name for the clients to connect.

ap0 and ap0.1 seem to be routed as ap0 is in 192.168.0.X and ap0.1 in 192.168.1.1

I even can login to the mainrouter which is in a different ip-area my laptop is.
wan connection type under the main settings is set to automatic.

dhcp server is switched off. i am using fixed ips.


thanks again!


Hi there, I'm with same issue as you ( but a year later), I own wr740n v3, but the only thing I've achieved is to enter principal's router ip config page.

2ndary router seems linked, but there's no internet connection through it. I've tried almost all how to's and tutorials but nothing worked yet.

Would you please detail all procedure?

Guys, do you think I should give that gargoyle a try?
I'm a bit worried with moving 'cause I don't find a revert for wr740n v3, just in case.....
h3inzerh4rdt
DD-WRT Novice


Joined: 07 Nov 2012
Posts: 2

PostPosted: Wed Nov 07, 2012 14:13    Post subject: WR841N Client-Bridge no WAN address Reply with quote
Hello,

it took me a day to get me to where I am right now.

I want to use my WR841N as a Wlan-client for my PC. Therefore I put it in Client-Bridge mode to connect to our neighbours internetrouter following the DD-WRT Wiki tutorial on "Client Bridge".

I can ping the neighbours internetrouter and also see the UI of the internetrouter in my webbrowser.

What I cannot do is access the Internet using my PC.

I think the problem is that my Client-bridge router does not have a WAN address. Is there any possibility to enter it manually, because I know the WAN address of the internet router.

Hope I did provide enough information for you guys.

Best regards
dapema
DD-WRT Novice


Joined: 26 Oct 2012
Posts: 2

PostPosted: Wed Nov 07, 2012 16:12    Post subject: Re: WR841N Client-Bridge no WAN address Reply with quote
h3inzerh4rdt wrote:
Hello,

it took me a day to get me to where I am right now.

I want to use my WR841N as a Wlan-client for my PC. Therefore I put it in Client-Bridge mode to connect to our neighbours internetrouter following the DD-WRT Wiki tutorial on "Client Bridge".

I can ping the neighbours internetrouter and also see the UI of the internetrouter in my webbrowser.

What I cannot do is access the Internet using my PC.

I think the problem is that my Client-bridge router does not have a WAN address. Is there any possibility to enter it manually, because I know the WAN address of the internet router.

Hope I did provide enough information for you guys.

Best regards


Same happens to me and so many... I'm with model wr740n v3.

I've tried to move to openwrt, but I can't because router identifies openwrt as suspicious firm.
h3inzerh4rdt
DD-WRT Novice


Joined: 07 Nov 2012
Posts: 2

PostPosted: Thu Nov 08, 2012 13:05    Post subject: Re: WR841N Client-Bridge no WAN address Reply with quote
h3inzerh4rdt wrote:
Hello,

it took me a day to get me to where I am right now.

I want to use my WR841N as a Wlan-client for my PC. Therefore I put it in Client-Bridge mode to connect to our neighbours internetrouter following the DD-WRT Wiki tutorial on "Client Bridge".

I can ping the neighbours internetrouter and also see the UI of the internetrouter in my webbrowser.

What I cannot do is access the Internet using my PC.

I think the problem is that my Client-bridge router does not have a WAN address. Is there any possibility to enter it manually, because I know the WAN address of the internet router.

Hope I did provide enough information for you guys.

Best regards


Problem solved. Router now works fine in Client bridge mode. Problem is: I don't know why.
I did a hard reset and put it in client mode (with different subnets) then put it in client bridge mode (with same subnets) and it works fine. Also I can only connect to the internet if I put my lan card in DHCP. Don't think it is a solution for you guys but wanted to let you know.
calagumba
DD-WRT Novice


Joined: 08 Feb 2013
Posts: 1

PostPosted: Fri Feb 08, 2013 13:38    Post subject: Reply with quote
Hey,

my WR741ND Rev.2.4 is running as a client connected to a wpa2 network without problems.

First i had problems. No chance with the suggested DD-WRT version from the Router Database but since using DD-WRT 19519 it took 10 minutes.

Hope someone can solve problems in the same way.
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