trouble loading on WRT1900AC V2

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Scpike
DD-WRT Novice


Joined: 24 Nov 2020
Posts: 2

PostPosted: Tue Nov 24, 2020 18:32    Post subject: trouble loading on WRT1900AC V2 Reply with quote
Hi all

I am attempting to install dd-wrt on my wrt1900ac v2. My goal is to install surfshark vpn on the router.

I have spent quite a few hours reviewing posts, wikis, videos and other instructions. Back in the day I did this (easily) with the WRT54G (probably 15 years ago) but I have not messed with routers since.

My current situation is:
1. Windows 10, using firefox (and chrome when I’m frustrated).
2. Right now Linksys is in part 1, and openwrt is in part 2.
3. I cannot ssh or telnet (putty) into the router with linksys running.
4. I cannot load the factory-to-ddwrt.bin using the linksys gui. It goes into a perpetual restart that I eventually terminate with a reboot. Once I reboot I return to linksys in part 1.
5. I can load openwrt using the linksys gui. With openwrt running, I can ssh into the router.
a. using ssh I can identify partitions, switch them and reboot.
b. I cannot load dd-wrt using the openwrt gui.

So - can I can use ssh while running openwrt to load dd-wrt on top of openwrt (in partition 2)? If so, what would the command syntax be?

Or perhaps I'm missing an easy step to get the linksys gui to work with factory-to-ddwrt.bin?

Or ???

Thanks in advance for any assistance……..
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blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Tue Nov 24, 2020 18:46    Post subject: Reply with quote
Do not attempt a crossflash from OpenWrt directly to DD-WRT. Go back to factory stock Linksys first, then hardware reset.

It's likely stock Linksys firmware has an upgrade file size limitation somewhere a little over 32MB; try the first build of 2018.

ftp://ftp.dd-wrt.com/betas/2018/01-07-2018-r34411/linksys-wrt1900acv2/factory-to-ddwrt.bin

then

ftp://ftp.dd-wrt.com/betas/2020/08-02-2020-r44048/linksys-wrt1900acv2/ddwrt-linksys-wrt1900acv2-webflash.bin

or

ftp://ftp.dd-wrt.com/betas/2020/11-24-2020-r44863/linksys-wrt1900acv2/ddwrt-linksys-wrt1900acv2-webflash.bin

It is recommended to flash over an Ethernet cable connected to a LAN port, not over WiFi (disable client adapter).

Some have problems with Chrome or Chromium-based browsers, so highly suggest using Firefox, fork or derivative.

Pale Moon, Waterfox (Current 78 or Classic 56), Firefox ESR 78 or Firefox Portable Legacy (ESR 52 or 45, use offline).

In general avoid add-ons, extensions or plugins and clear all history in advance.

Verify successful flash and automatic reboot into the new target build of DD-WRT, then hardware reset.
Scpike
DD-WRT Novice


Joined: 24 Nov 2020
Posts: 2

PostPosted: Tue Nov 24, 2020 20:21    Post subject: trouble loading on WRT1900AC V2 Reply with quote
blkt wrote:
Do not attempt a crossflash from OpenWrt directly to DD-WRT. Go back to factory stock Linksys first, then hardware reset.

It's likely stock Linksys firmware has an upgrade file size limitation somewhere a little over 32MB; try the first build of 2018.

ftp://ftp.dd-wrt.com/betas/2018/01-07-2018-r34411/linksys-wrt1900acv2/factory-to-ddwrt.bin

then

ftp://ftp.dd-wrt.com/betas/2020/08-02-2020-r44048/linksys-wrt1900acv2/ddwrt-linksys-wrt1900acv2-webflash.bin

or

ftp://ftp.dd-wrt.com/betas/2020/11-24-2020-r44863/linksys-wrt1900acv2/ddwrt-linksys-wrt1900acv2-webflash.bin

It is recommended to flash over an Ethernet cable connected to a LAN port, not over WiFi (disable client adapter).

Some have problems with Chrome or Chromium-based browsers, so highly suggest using Firefox, fork or derivative.

Pale Moon, Waterfox (Current 78 or Classic 56), Firefox ESR 78 or Firefox Portable Legacy (ESR 52 or 45, use offline).

In general avoid add-ons, extensions or plugins and clear all history in advance.

Verify successful flash and automatic reboot into the new target build of DD-WRT, then hardware reset.


Hi Blkt

I used 2018-01-07 Build R34411.

Worked perfectly.

Thanks!
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