TPLINK TL-WDR4300 v1 firmware upgrade

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A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Sat Aug 19, 2017 12:40    Post subject: TPLINK TL-WDR4300 v1 firmware upgrade Reply with quote
Hi,

I'm trying to upgrade DD-WRT on my TPLINK TL-WDR4300 v1 from r24461 (June 2014) to r33006 (Aug 2017).
I downloaded the tl-wdr4300-webflash.bin.
I did the 30/30/30 reset, I got the "change password" page and then tried the upgrade via WebUI.
Here i get the message "upgrade refused". I then tried it via TFTP, which can't seem to establish a connection.
I then erased the NVRAM via telnet and tried the upgrade again, again failing.
Trying to upgrade to an older version first (e.g. December 2014) doesn't work either.

Does anyone know what I could do to convince the router to upgrade?
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ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2318
Location: Canada

PostPosted: Sun Aug 20, 2017 3:45    Post subject: Hidden TFTP on TP-Link routers Reply with quote
Try the hidden TFTP on TP-Link routers: http://bkil.blogspot.ca/2014/12/hidden-tftp-of-tp-link-routers.html

Download the dd-wrt build you want to upgrade to and rename it as per the page above.

You may need a switch in between the router and your computer (you can use an old spare router that runs dd-wrt): https://www.dd-wrt.com/wiki/index.php/Switch

The reason for the switch is to establish the connection between the computer and the switch before booting the TP-Link router. Otherwise, you will most likely miss the TFTP window (the link will not be established in time).

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Sun Aug 20, 2017 14:24    Post subject: Reply with quote
Thanks for your reply!
I think I'll have to buy a switch then, no old routers around here.
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2318
Location: Canada

PostPosted: Sun Aug 20, 2017 22:34    Post subject: Find an old router Reply with quote
Just buy an old router like a Linksys WRT54G2 or something very old like that. A switch will be much more expensive then a used very old router like that. In the US try Savers and Canada - Value Village or Salvation Army. In other countries just go to a second hand store that sells electronics and look for any old router, most Linksys from the wrt days (2006) that look similar to the attachment are supported by dd-wrt.

You can also try ebay.com but be wary of shipping costs.
https://www.dd-wrt.com/wiki/index.php/Linksys_WRT54G/GL/GS/GX
http://www.dd-wrt.com/wiki/index.php/Linksys_WRT54G2
http://www.dd-wrt.com/wiki/index.php/Linksys_WRT54GL

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Fri Aug 25, 2017 13:33    Post subject: Reply with quote
Hi,

so I tried it with a switch between the router (.86) and my PC (.66).
I booted the router into the recovery mode and started the tftp client from my PC.
As you can see in the attached wireshark screenshot, .66 sends tftp write requests to .86, while .86 sends tftp read requests to .66.
Whenever a read request is sent, I get a ICMP Destination unreachable (Port unreachable) code.
From what I understand (and it's not much in the networking field), this means that .86 is trying to reach a nonexisting port on .66. But this port should be open because of the running tftp command, correct?

I found this thread on StackExchange which looks similar to my problem, there the solution was a setting in the server's tftp config.
Can that solution be applied to my problem?
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2318
Location: Canada

PostPosted: Sat Aug 26, 2017 3:17    Post subject: Switch Reply with quote
By the sounds of it your switch is not setup correctly. It should basically just be a way to connect 4-5 ethernet cords together, to share files, no internet.

What is the ip of the switch?
Is the DHCP turned off on the switch? It should be.
Firewall on the switch, should be off.

Follow the switch wiki page I linked to above.

As for the ICMP requests from Wireshark, don't worry about those yet. Just get the switch setup correctly.

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Sat Aug 26, 2017 9:26    Post subject: Reply with quote
Hey,
I'm using an actual unmanaged switch (a TP-Link TL-SG1016D), not a DD-WRT substitute. I don't think there's anything to configure on that switch.

Do you think it would work better using a DD-WRT router as switch?

I just had the idea that maybe the switch got confused with the different MAC addresses for the .86 IP since I had the router using that IP in normal operating mode and the bootloader used that IP with a different MAC.
But giving the router the .1 IP in normal mode had no effect. Still same as above (I did restart the switch after changing IPs Wink).
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2318
Location: Canada

PostPosted: Sat Aug 26, 2017 22:28    Post subject: Switch Reply with quote
The purpose of the switch is for it to not handle anything at all, no DHCP, no firewall, just take 1 port and turn it into 4.

The switch must allow clients to see each other.

_________________
Before asking a question on the forums, update dd-wrt: Where do I download firmware? I suggest reading it all.
QCA Best WiFi Settings


Some dd-wrt wiki pages are up to date, others are not. PM me if you find an old one.

Atheros:
Netgear R7800 x3 - WDS AP / station, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - NU
D-Link 615 C1/E3/I1 x 7 - 1 WDS station
D-Link 825 B1 - NU
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - NU
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Sun Aug 27, 2017 17:49    Post subject: Reply with quote
That's what I expected of the switch.

Also I can browse the internet with the switch in between my PC and the router, so I guess they can see each other. Or do you mean something else by that?
A'den
DD-WRT Novice


Joined: 25 Jun 2017
Posts: 8

PostPosted: Sat Sep 02, 2017 15:47    Post subject: Reply with quote
For what it's worth:

The webflash worked using Linux Mint with Firefox.

TFTP on Linux didn't work either.
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