WZR-HP-G300NH Stuck in 37305 build

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Amon49
DD-WRT Novice


Joined: 23 Oct 2015
Posts: 12

PostPosted: Sun Jan 06, 2019 12:40    Post subject: WZR-HP-G300NH Stuck in 37305 build Reply with quote
Hello everyone.
I'm catching up with my Buffalo router WZR-HP-G300NH A0D0;
I was using Buffalo firmware 14998b, the last official who had good LAN connectivity which I tested.
I upgraded to 37305 suggested in the Router Database.
Since then I have lost the possibility to upgrade/downgrade.
I have normal access to webgui, but I do not have telnet or ssh access;
When trying to upgrade via webgui, the router restarts in the first seconds of uploading either by cable or wifi. I tried all the methods I found, tftp suggested on the wiki, pumpkin, with switch, without switch.
I do not know of any method any more.
Version 37305 also has LAN connectivity issues; I use the router as an AP wired, so this version has no functionality for me.
Thanks for any help!! Crying or Very sad
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ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2241
Location: Canada

PostPosted: Sun Jan 06, 2019 14:34    Post subject: Don't use the Router Database Reply with quote
First of all, don't use the Router Database. See the link in my signature.

Recovery may be possible via Serial. This will require opening up the router and hooking up something like this: https://www.adafruit.com/product/954

TFTP instructions are well explained here: https://wiki.dd-wrt.com/wiki/index.php/Buffalo_WZR-HP-G300NH#Debricking_Info_using_TFTP

More info: https://oldwiki.archive.openwrt.org/toh/buffalo/wzr-hp-g300h#locked_u-boot_too_short_time_tftp_window
(Scroll down on the page for Serial port location and settings)

Make sure to go back to Buffalo factory firmware first. Then go to DD-WRT (using a factory-to-ddwrt file).

_________________
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 - WDS AP, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1/E3/I1 x 7 - some gateway
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - not used
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
Amon49
DD-WRT Novice


Joined: 23 Oct 2015
Posts: 12

PostPosted: Sun Jan 06, 2019 22:09    Post subject: Re: Don't use the Router Database Reply with quote
ian5142 wrote:
First of all, don't use the Router Database. See the link in my signature.

Recovery may be possible via Serial. This will require opening up the router and hooking up something like this: https://www.adafruit.com/product/954

TFTP instructions are well explained here: https://wiki.dd-wrt.com/wiki/index.php/Buffalo_WZR-HP-G300NH#Debricking_Info_using_TFTP

More info: https://oldwiki.archive.openwrt.org/toh/buffalo/wzr-hp-g300h#locked_u-boot_too_short_time_tftp_window
(Scroll down on the page for Serial port location and settings)

Make sure to go back to Buffalo factory firmware first. Then go to DD-WRT (using a factory-to-ddwrt file).


Thanks Ian.
After many many attempts I was able to upload the firmware via tftp.
It is again in 14998b, functioning normally.
If someone have a A0 D0 version running stable with more recent build without losing LAN connectivity, please tell me.
Thanks again!!


Last edited by Amon49 on Sun Jan 06, 2019 22:29; edited 1 time in total
ian5142
DD-WRT Guru


Joined: 23 Oct 2013
Posts: 2241
Location: Canada

PostPosted: Sun Jan 06, 2019 22:26    Post subject: DD-WRT Community version Reply with quote
You will find the DD-WRT community version is probably more stable and has many more bug fixes, etc then the Buffalo version. The wiki explains how to upgrade: https://wiki.dd-wrt.com/wiki/index.php/Buffalo_WZR-HP-G300NH#DD-WRT_on_Buffalo_WZR-HP-G300NH
_________________
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 - WDS AP, gateway, QoS
TP-Link Archer C7 v2 x2 - WDS Station
TP-Link TL-WDR3600 v1 - WDS Station
TP-Link 841nd v8 - WDS Station
D-Link 615 C1/E3/I1 x 7 - some gateway
D-Link 825 B1 - WDS Station
D-Link 862L A1 x2 - WDS Station
Netgear WNDR3700v2 - not used
UBNT loco M2 x2 - airOS

Broadcom
Linksys EA6400 - Gateway, QoS
Asus N66U - AP
Linksys 160N v3 x2 - not used
Netgear WNDR3700v3 - not used
MediaTek
UBNT EdgeRouter X - switch
mitchd123
DD-WRT Novice


Joined: 20 Jun 2010
Posts: 21

PostPosted: Sun Jan 13, 2019 21:03    Post subject: Reply with quote
@Amon49 I've been running DD-WRT v3.0-r30082 std (07/01/16) on a pair of WRH-HP-G300 and it's been rock solid.

Config includes a large # of static IP addresses, extender/bridge, wired connections as well as access control. I have had some issues with Access Restrictions not turning off at the correct time, but other than that it's been good.

I was looking for a newer version that may fix the Access Restrictions issues when I saw your post.
Amon49
DD-WRT Novice


Joined: 23 Oct 2015
Posts: 12

PostPosted: Mon Jan 14, 2019 8:51    Post subject: Reply with quote
mitchd123 wrote:
@Amon49 I've been running DD-WRT v3.0-r30082 std (07/01/16) on a pair of WRH-HP-G300 and it's been rock solid.

Config includes a large # of static IP addresses, extender/bridge, wired connections as well as access control. I have had some issues with Access Restrictions not turning off at the correct time, but other than that it's been good.

I was looking for a newer version that may fix the Access Restrictions issues when I saw your post.


Thanks for the tip Mitch.
I'm going to test, although your model is a bit different from my WZR. These Buffalo routers are very solid and have great signal. Great weeK!!
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