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Standard User andrewh1973
(newbie) Mon 23-Jul-12 18:48:44
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TP-Link TD-W8951ND admin interface dead after 24 hours...


[link to this post]
 
Hi

Last week I purchased a TP-Link TD-W8951ND as I was having problems with my existing D-Link DSL-2640R router with dropped connections and excessively long time for it to reconnect.

So, connection-wise so far so good, the TP-Link seems a lot more stable and either there have not been any random drops since or there have been and it's able to auto reconnect quickly.

What is not so great is the admin interface. The D-Link would very occasionally fail to respond if you tried to log into it, but the TP-Link seems to be consistently refusing to respond after about 24 to 36 hours. The internet connection itself is still up so the router hasn't actually crashed, but it just will not respond with the admin login. There's not even a page timeout either, the browser just sits there waiting for the site to load.

Have I got a dud router or has anyone else seen this problem? It's running the latest V4 firmware, release 120511, though that was not what was originally supplied. Updating it has made no difference then.

Thoughts please!

Andrew Holland/
Standard User andrewh1973
(newbie) Sat 04-Aug-12 22:13:09
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Got a replacement 24 hours ago, same firmware, same configuration. Same problem! TP-Link say they've never seen this problem before... surely I can't be the only one?

Andrew Holland/
Standard User NICK_ADSL_UK
(fountain of knowledge) Sat 04-Aug-12 22:43:45
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Wherever possible it's always best to use IE 9 for going into the admin panel or updating routers as using other browsers can stall from time to time

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Standard User BatBoy
(legend) Sat 04-Aug-12 23:52:14
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: NICK_ADSL_UK] [link to this post]
 
Other browsers can stall?


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Standard User andrewh1973
(newbie) Sun 05-Aug-12 00:14:56
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: NICK_ADSL_UK] [link to this post]
 
It's not a browser issue, I used IE9 as my default browser anyway. Regardless, this cannot be the problem as telnet access also stops.

Andrew Holland/
Standard User Deadbeat
(knowledge is power) Sun 05-Aug-12 00:17:46
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
TP-Link is generally good kit. Given that and the D-Link's past "failure to respond", I would be looking at your system. Have you tried booting to "Safe Mode With Networking" and using IE rather than any other browser? Can you ping the gateway?
Standard User andrewh1973
(newbie) Sun 05-Aug-12 00:39:50
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: Deadbeat] [link to this post]
 
It's nothing to do with the computer since I have more than one and none of them can connect after around 24 hours either. The D-Link was (is) a different kettle of fish, it would randomly decide not to present the web admin interface - sometimes it would it work for weeks before deciding not to, occasionally it would crash totally or the wifi side of things would suddenly stop. It is a router so beset by weirdness that you can't even upgrade the firmware on it (any attempt to do so results in an error).

The TP-Link to its credit by contrast is keeping a solid, stable, internet connection and the wifi works fine even when the admin system goes into a coma. It's definitely something with the router but I've no idea what. The only thing that I thought might be a factor is that my home network has long been on the 10.0.0.x subnet. So the first thing I do with any router is change the default IP to one in that range. I've now reversed that to see if that makes any difference. Shouldn't do, but with odd bugs like this, you never know.

Andrew Holland/

Edited by andrewh1973 (Sun 05-Aug-12 00:41:51)

Standard User BatBoy
(legend) Sun 05-Aug-12 09:26:53
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
When I've had routers freeze on me, it's often overheating - which is a bit of a contradiction.


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Standard User andrewh1973
(newbie) Sun 05-Aug-12 09:48:06
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: BatBoy] [link to this post]
 
Hmm I've thought it could be an overheating issue also. But the unit is well ventilated and it doesn't feel all that hot. If it was that though, surely there'd be others complaining about it and TP-Link would already know it's a problem?

Andrew Holland/
Standard User BatBoy
(legend) Sun 05-Aug-12 09:55:46
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Well, they say they haven't heard about any problems at all, so it doesn't exactly rule overheating out.
Interesting that your D-link also had problems freezing. Maybe it's something else, other than the routers?


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Standard User sills
(learned) Sun 05-Aug-12 09:58:23
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
In reply to a post by andrewh1973:
Have I got a dud router or has anyone else seen this problem?

It's not just you, one I installed for a client does the same.

Don't think the two were related, but a few weeks later it's PSU died and TP-Link support said it wasn't covered by the warranty, only the router itself is, so I'd have to buy a new one. The PSU from the clients old router fitted, so it's using that now. Put me off using TP-Link kit again though.
Standard User andrewh1973
(newbie) Sun 05-Aug-12 10:07:27
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: BatBoy] [link to this post]
 
I have an another old router that I used to use before both of these, a D-Link DSL-504. That has never crashed, and I dug it out recently and it still works (it just connects at half the speed of an ADSL2 router and lacks wifi, which is why it's no longer used). It's just coincidence that I happen to have this kind of problem with two different routers... if you google the D-Link DSL-2640R you'll see people have had all sorts of problems with it, seems to me that is was just not one of D-Link's better products (and that's putting it kindly.. any router that can screw up displaying the system log - half the time you'd get a garbled HTML page showing inline javascript! - clearly has quite basic problems with its firmware!). The TP-Link clearly has something affecting it, so if it does this again now that it's back on the default sub net, I'll go back to the D-Link and just leave the TP-Link powered up but disconnected from everything for 2 days and see if it still plays up then. Would prove out if a client is causing the problem (and if it is, there's still a problem with their firmware - no client doing basic operations should be able to crash a routers web and telnet admin sub systems)...

Andrew Holland/

Edited by andrewh1973 (Sun 05-Aug-12 10:13:14)

Standard User andrewh1973
(newbie) Sun 05-Aug-12 10:11:24
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: sills] [link to this post]
 
Hmm interesting, I have mused that it could be a power supply issue also. Not impressed by TP-Link's response to your problem though.

Thanks for letting me know I'm not alone!

Andrew Holland/
Standard User sills
(learned) Sun 05-Aug-12 10:44:06
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
I might have made it sound like the replacement PSU fixed it, but it didn't. You still have to reboot it to get into the web interface after a few days. The router itself still keeps working fine, you just can't get to the settings.
Standard User BatBoy
(legend) Sun 05-Aug-12 10:51:20
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Are you doing something like collecting stats for Routerstats or something on a regular basis?
I've encountered problems with UIs freezing on many different routers when doing that.


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Edited by BatBoy (Sun 05-Aug-12 10:51:44)

Standard User sills
(learned) Sun 05-Aug-12 11:45:18
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: BatBoy] [link to this post]
 
Nope. You can log in once OK, leave it a few days not accessing it at all and try again and it doesn't work.
Standard User andrewh1973
(newbie) Sun 05-Aug-12 13:16:43
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: sills] [link to this post]
 
Yup, exactly the same as for me. What hardware version is it?

Andrew Holland/
Standard User jchamier
(knowledge is power) Sun 05-Aug-12 13:58:37
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: NICK_ADSL_UK] [link to this post]
 
In reply to a post by NICK_ADSL_UK:
Wherever possible it's always best to use IE 9 for going into the admin panel or updating routers as using other browsers can stall from time to time


Big issue if you don't have any Windows computers!

James be* pro (16.8 / 1.2 sync) - BQM - FTTC cab installed 18-jun-2012 - not yet active - est 44.6 / 6.5
Standard User Pipexer
(eat-sleep-adslguide) Sun 05-Aug-12 14:27:45
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: jchamier] [link to this post]
 
In reply to a post by jchamier:
In reply to a post by NICK_ADSL_UK:
Wherever possible it's always best to use IE 9 for going into the admin panel or updating routers as using other browsers can stall from time to time


Big issue if you don't have any Windows computers!

Why would any sane person not have a Windows computer? tongue

On a(nother tongue) serious note though they always generally do work better on IE...

Zen 8000 Pro
Standard User jchamier
(knowledge is power) Sun 05-Aug-12 15:00:02
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: Pipexer] [link to this post]
 
In reply to a post by Pipexer:
Why would any sane person not have a Windows computer? tongue


smile

On a(nother tongue) serious note though they always generally do work better on IE...


Not in my experience, never had a problem with Firefox and/or Chrome (yuck), or Safari personally, but I prefer Firefox. I have Windows in a VM, just never needed to use it for a (domestic) router configuration page !!

IE9 is the most standards compliant browser MS has ever issued, so if something doesn't work in Firefox/Chrome its unlikely to work in IE9. Unless you have an XP VM with IE 6 (yikes) around.

w3c standards are there for a reason - http://www.w3.org/

James be* pro (16.8 / 1.2 sync) - BQM - FTTC cab installed 18-jun-2012 - not yet active - est 44.6 / 6.5
Standard User 4M2
(experienced) Sun 05-Aug-12 15:51:54
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: jchamier] [link to this post]
 
May seem a silly question: but why should it be necessary to access a router's settings, log, stats etc. from a browser (excluding using telnet commands and DMT etc.) It would seem more logical to have written a means to access the router from, e.g. with XP, Network Connections > LAN rather than open a browser since I can access another pc or another device from "My Network Places" - or am I missing something obviously fundamental with regard to a LAN?

Putting the router's address into a browser just seems an odd way of doing things somehow...
Standard User Pipexer
(eat-sleep-adslguide) Sun 05-Aug-12 16:19:55
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: 4M2] [link to this post]
 
Browser is OS-agnostic. Whereas if it was done through something in the OS they would have to write the driver/software/specification to work with every OS going. Also, a HTTP server on the router/device does not tax the resources too heavy. It's a very logical place to do it through the browser, alongside ftp and telnet - imho.

Zen 8000 Pro
Standard User BatBoy
(legend) Sun 05-Aug-12 16:29:01
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: Pipexer] [link to this post]
 
And SNMP


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Standard User sills
(learned) Sun 05-Aug-12 16:52:12
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
In reply to a post by andrewh1973:
What hardware version is it?

Don't know, sorry. It's on a customers site so can't find out easily.
Standard User 4M2
(experienced) Sun 05-Aug-12 16:57:31
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: Pipexer] [link to this post]
 
Thanks for the explanation Pipexer - I really appreciate it smile

It's just that I also have a 3g dongle that is CD formatted and I don't have to open a browser to access it in order to connect to the internet or change any settings - I can open it as if it were a drive/removable storage device from the OS GUI. Obviously a different type of connection but it does sometimes make me think why a router can not be accessed in a similar way.

BTW. My Nero authoring/burning app hates the 3g dongle because it thinks it's a CD drive and can not recognise it properly crazy
Standard User zyborg47
(eat-sleep-adslguide) Mon 06-Aug-12 12:29:47
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: sills] [link to this post]
 
In reply to a post by sills:
Nope. You can log in once OK, leave it a few days not accessing it at all and try again and it doesn't work.


I had that problem with my Tp-link WR1043ND, but only when it was connected to my netgear ADSL modem, i could not even get the dialogue box so i could log in. TP-link said it could be because the CPU is at full load. I had to turn the router off and switch it back on so I could get into the control panel.

Strange thing is, since I been using the router with my wireless service, it have been fine, been on for a week and I can still log into it.

Adrian

Desktop machine now powered by windows 7 pro 64bit , laptop by ubuntu

ALL PAY Wireless broadband
Standard User blat
(newbie) Mon 03-Dec-12 02:24:40
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
just bought a TD-W8951ND on friday. Installed well, worked perfectly until sunday night, now it just keeps dropping all the time. Everything goes dead apart from the power light and the wireless light (not blinking). need to switch off and on again to make it work. it usually fails again straight away. every 5 or 6 goes it decides to work for a while. not happy. Had another tp-link before this, its great and still working at my parents place after 3 years, but not this one frown

oh and btw ie9 sucks....
Standard User blat
(newbie) Tue 04-Dec-12 02:27:15
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: blat] [link to this post]
 
upgraded to latest firmware and it has been stable for the last 24 hours. also have router sitting on top of a small block for maximum airflow all round, before this it was just sitting on a flat surface.
Standard User blat
(newbie) Wed 05-Dec-12 04:53:33
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: blat] [link to this post]
 
I was a bit premature with my last post. Worked fine as a modem, but as soon as I asked the wifi to perform the whole thing just died.

Have eventually resolved the issue by replacing the 0.6A power supply with a 1.2A one. Seems it was just brownout. Someone else also mentioned PS problems in this topic so I suggest to anyone else having problems with this model this is the first thing you try.

Its now behaving like a great little modem/router, I'll post again if it stops behaving itself.
Standard User andrewh1973
(newbie) Sun 20-Jan-13 23:07:40
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: blat] [link to this post]
 
Right well I got a 3rd one from TP-Link directly, under warranty. This one was a v5 and unlike the v4, the admin screens do not lock up after 48 hours. However, I'm sending it back to them tomorrow because it keeps randomly dropping the connection and not reconnecting again until after a reboot! ISP confirm line is not at fault and router is just disconnecting for no reason the ISP is aware of!

What do I have to do get a working router here?!

Andrew Holland/
Standard User markdfr
(newbie) Thu 15-Aug-13 18:55:40
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Hi All

I have had trouble with TP-Link modems and despite what I have read regarding denials of issues by TP-Link there are many that have the same issue. In relation to mine the 1st modem I had was the TD-W8961ND V1 I purchase this unit as the modem supplied by my ISP was a simple LAN one with no wireless connection and I wasn't happy with my old Linksys wireless router as it was too slow and around 6 years old. So I thought i'd get a speedier modem and wireless unit to go with my newer wifi IT and Smart equipment.

The TD-W8961ND worked great and lasted a trouble free 6 months before the problem of drop out started. 1st intermittent drop out then failure of web interface and prolonged drop out and loss of internet and wireless to LAN connection. There was something else, the unit was very hot!. So I sent this back to the Amazon seller and instead of replacing it they gave me a full refund including postage back to them. Their explanation was that they no longer offered TP-Link in their range due to pricing issues. Fair enough I thought and plugged in my old reliable, slow ad hoc Wifi router plus modem system to keep me going.

I tried to source a replacement elsewhere and no joy, out of stock or too expensive. So I purchased another modem to tide me over until the next stage of upgrading and the available the TD-W8951ND V5 did pretty much what I wanted and was up to the task with the 150mbps WiFi.

So I waited with baited breath for this to arrive which it did and I spent hours reconfiguring the unit to suit the wide range of WIFi equipment for remote access, etc. It was 3 in the morning and I was nearly finished when the web interface failed to respond. I went over to the modem and the frigging thing was way too hot. I unplugged it and left it for 10 mis to cool down and reconnected it again. It work for about 20 mins before the dreaded failure occurred again.

So why is it that TP-Link equipment fails on systems with lots of connections with a lot of traffic. The heat is the key, it can't handle hi traffic or the PSUs that come with them are not stable enough. There is one that is sure that it's not my setup. It works with outdated kit plus it has multiple layers of protection to alleviate electrical spikes with protection from the fusebox and incoming telephone lines to UPS units on every expensive piece of network attached kit including the modem.

So what do we have? A range of modems that are essentially souped up to a point beyond the capacity of the hardware. It can be compared to putting an oversized turbo on a small engined car. it'll go fast for a while when it's not being pushed but when you hitch it up to a trailer the engine will surely blow!
Standard User franco_gianola
(newbie) Sat 26-Apr-14 11:11:28
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Re: TP-Link TD-W8951ND admin interface dead after 24 hours..


[re: andrewh1973] [link to this post]
 
Hi i got same identical problems with 8951ND
After a lot of test perhaps i got a solution:
No power issue , no firmware version issue.
in ACL i was using :
- WEB for Lan access
- WEB for Wan access
- Ping for Wan access

Now i'm using

- WEB for Both access (wan & Lan)
- Ping for Wan access


Seems the configuration interface doesn't crash anymore

Firmware Version:
5.0.0 Build 120522 Rel.23978
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