Recover from flashing r6700v3 FW on XR500

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strange
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Joined: 18 Jun 2006
Posts: 229

PostPosted: Thu Oct 06, 2022 0:59    Post subject: Recover from flashing r6700v3 FW on XR500 Reply with quote
Complacency kills. I was doing a command line update of r50357 onto my routers and I accidentally flashed firmware for my client bridge (r6700 v3) onto my gateway (XR500). I am trying to search the forum for possible ways to recover the XR500 but I am having a hard time thinking of good search terms that don't bring up a ton of pages of things that don't relate to my problem. Any suggestions would be helpful or if someone else has had this issue and can help out it would be appreciated. Thank you.
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R6700 v3 - Station Bridge
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dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Thu Oct 06, 2022 2:39    Post subject: Reply with quote
TFTP factory-to-ddwrt.img or stock firmware. TFTP instructions should be in the installation guide written by egc. There are also instructions on the Netgear KB resource.

Netgear R7800 and XR500 Install Guide

How do I upload firmware to my NETGEAR router using a TFTP client on Microsoft Windows?

How do I upload firmware to my NETGEAR router using TFTP from the Microsoft Windows Command Prompt?
strange
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Joined: 18 Jun 2006
Posts: 229

PostPosted: Thu Oct 06, 2022 3:20    Post subject: Reply with quote
Thank you. I can tell already that this is going to be an educational experience. Thank God I had a box of old routers that I could use as back-ups. Laughing
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Netgear XR500 - Gateway
R6700 v3 - Station Bridge
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Thu Oct 06, 2022 5:30    Post subject: Reply with quote
Netgear R7800 and XR500 Install Guide by egc

https://pjo2.github.io/tftpd64/ - tftpd64.464.zip - tftpd32.464.zip older ver tftpd64.452.zip - tftpd32.452.zip

10-05-2022-r50357/netgear-xr500/factory-to-ddwrt.img Hold reset power on 10 sec led blinks white release.
How do I upload firmware to my NETGEAR router using a TFTP client on Microsoft Windows? Step 9 above. ^
How do I upload firmware to my NETGEAR router using TFTP from Windows Command Prompt? Step 8 see ^
How do I upload firmware to my NETGEAR router using TFTP on Apple macOS? 'Turn your router back on.' ^
NETGEAR R7800 (Nighthawk X4S AC2600) -> Easy TFTP flashing on Linux or macOS

Set operating system Ethernet adapter static IP, subnet, gateway:
IP: 192.168.1.10 Subnet: 255.255.255.0 Gateway: 192.168.1.1
'Use the following DNS server addresses:' both servers left blank.

Tftpd Server interfaces dropdown, select the LAN Ethernet adapter.
In the Host field, enter 192.168.1.1 (the default router IP address).
In the Port field, enter 69 (the default port number for TFTP).

TFTP mode: hold reset button, power on, wait 10 seconds, power led blinks white, release, ready to click Put.

Be sure to use PCIe (not USB) Gigabit Ethernet adapter, at least Cat 5e or 6 cable.
Leave all Ethernet ports unplugged except one LAN port which is assigned static IP.
TFTP settings anticipation window of 1024 bytes, to speed up transfer if necessary.
You may also want to check the box 'Bind TFTP to this address' 192.168.1.1 YMMV.
This is because the dropdown option for Server Interfaces resets at every attempt.

Netgear XR500 bricked ?
strange
DD-WRT User


Joined: 18 Jun 2006
Posts: 229

PostPosted: Thu Oct 06, 2022 15:04    Post subject: Reply with quote
Thank you. I think that I will try the "Easy TFTP flashing on Linux or macOS" method since I am running Linux. I've got some reading to do.
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Netgear XR500 - Gateway
R6700 v3 - Station Bridge
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Thu Oct 06, 2022 15:26    Post subject: Reply with quote
Sorry for not being more granular and including anything related to MacOS or Linux <oops>

TFTP Flash - DD-WRT Wiki

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strange
DD-WRT User


Joined: 18 Jun 2006
Posts: 229

PostPosted: Thu Oct 06, 2022 18:13    Post subject: Reply with quote
I really appreciate all of you Gurus. Thank you.
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Netgear XR500 - Gateway
R6700 v3 - Station Bridge
strange
DD-WRT User


Joined: 18 Jun 2006
Posts: 229

PostPosted: Fri Oct 07, 2022 2:37    Post subject: Reply with quote
Recovered and up and running. Thank you guys so much for all of you help.
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Netgear XR500 - Gateway
R6700 v3 - Station Bridge
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