On Monday night through Wednesday we have a training that includes setting up a 400 meter link (near Puyo, Ecuador, UTC-5).

We have purchased a TP-Link Archer C20 v4. We plan to connect it via Nanostation2 and NanoLoco2 with a WR840Nv5(ES) that belongs to a small ISP (why this arrangement? combo of cheapest new and used hardware that I thought would work). The 840N only has 4MB RAM, which I understand is not really recommended for LibreMesh.

Neither of the routers are on the list of devices at http://chef.libremesh.org/ for LibreMesh, but they are on the list for OpenWrt. The most similar device by name on the LibreMesh list is the Archer C20i.

If we can LibreMesh-ify the ISPs 840N router in a way that it can easily be returned to factory firmware, maybe we will do that.

If we can LibreMesh-ify the Archer C20 without a high probability of bricking it, we will do that (we don't have money in the budget for a replacement this week).

I can use lime-sdk cooker instead of Chef -- I have done this before to test a new translation file.

Suggestions on how to proceed?

Here's the C20v4 data:
https://openwrt.org/toh/hwdata/tp-link/tp-link_archer_c20_ac750_v4
Supported Current Rel:    snapshot
Unsupported Functions:    WiFi 5GHz
Target:    ramips
Subtarget:    mt76x8
Package architecture:    mipsel_24kc
Bootloader:    U-Boot
CPU:    MediaTek MT7628AN
8 MB flash, 64 MB RAM

Compare to C20i:
https://openwrt.org/toh/hwdata/tp-link/tp-link_archer_c20i_ac750_v1
Supported Current Rel:    17.01.4
Unsupported Functions:    WiFi 5GHz
Target:    ramips
Subtarget:    mt7620
Package architecture:    mipsel_24kc
Bootloader:    U-Boot
CPU:    MediaTek MT7620A
8 MB flash, 64 MB RAM

TL-WR840N v5 (ES) -- belongs to the ISP
https://wikidevi.com/wiki/TP-LINK_TL-WR840N_v5
CPU1: MediaTek MT7628N (575 MHz)
FLA1: 4 MiB (GigaDevice GD25Q32B)
RAM1: 64 MiB (ESMT M14D5121632A)


~ Pato
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