Last modified by Leon Poon on 2021/07/16 18:40
From version 13.1
edited by Leon Poon
on 2020/05/31 08:44
Change comment: There is no comment for this version
To version 34.1
edited by Leon Poon
on 2020/09/10 14:46
Change comment: There is no comment for this version

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1 1  switch0: port 0 = wan, port 1,2,3,4 = lan
2 2  
3 +If you brick your router you should be able to recover by soldering the UART pin headers and connecting to the serial. See [[this page for pictures>>doc:Linksys EA8100.WebHome]].
3 3  
4 -[[https:~~/~~/github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100>>https://github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100]]
5 5  
6 -
7 7  = 19.07.x =
8 8  
9 -[[https:~~/~~/www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/>>url:https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]]
8 +Openwrt 19.07.4 for EA8100 is here!
10 10  
11 -The EA8100 contains 2 firmware partitions. Flashing via the Linksys UI will only flash openwrt into one of the 2 partitions.
10 +Get images here: [[https:~~/~~/www.codepowered.com/openwrt/v19.07.4/linksys_ea8100/>>https://www.codepowered.com/openwrt/v19.07.4/linksys_ea8100/]] ([[https:~~/~~/github.com/LeonPoon/openwrt/compare/v19.07.4...v19.07.4-linksys_ea8100>>https://github.com/LeonPoon/openwrt/compare/v19.07.4...v19.07.4-linksys_ea8100]])
12 12  
13 -Download the "squashfs-factory.img" if you want to flash via Linksys web UI. After you flashed the img the first time, download the "squashfs-sysupgrade.bin" and run sysupgrade to flash this .bin to both firmware partitions.
12 +Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
14 14  
15 -You cannot sysupgrade from 18.x to 19.07.x.
14 +* Wifi (5Ghz) seem to work at 30-40MB/s with a MacBook Pro.
15 +* **Known issue**: 2.4Ghz wifi performance is really bad. You probably want to disable 2.4Ghz wifi.
16 16  
17 -Sysupgrade from 19.07.x will not save config! Back up your config and other files in the router before you sysupgrade.
17 +**Images do not contain LuCi! (The build process doesn't include it for some reason I have not yet time to figure out.)** You need to have the **squashfs-sysupgrade.bin** flashed, then install LuCI. (See instructions below.)
18 18  
19 +The EA8100 contains 2 firmware partitions. Using the Linksys UI will flash openwrt into only one of the 2 partitions. The booting process switches partition every few boots, so if you want to always boot into openwrt then you have to flash openwrt into both partitions.
19 19  
21 +How to flash if your router currently has stock Linksys firmware:
22 +
23 +1. Download the "**openwrt-ramips-mt7621-ea8100-initramfs-kernel-factory.img**" from link above, and flash it via Linksys UI. Wait for it to start to reboot.
24 +1. Configure your computer to have IP in ##192.168.1.2/255.255.255.0##.
25 +1. Check that your router booted Openwrt by visiting [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. It is in Openwrt if you see a white screen with message: "The requested URL /cgi-bin/luci/ was not found on this server." (Luci is not installed currently.) Do a reboot if you see Linksys UI instead, then check again when it boots.
26 +1. Download the "**openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin**" from link above, and upload it into ##/tmp## in the router via SFTP. You can use [[winscp>>https://winscp.net/]] if on Windows. [[root@192.168.1.1>>mailto:root@192.168.1.1]] (No password).
27 +1. Ssh into [[root@192.168.1.1>>mailto:root@192.168.1.1]] (no password). Use [[putty>>https://www.putty.org/]] to ssh if you are on Windows.
28 +1. In the ssh shell run: ##sysupgrade /tmp/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin##
29 +1. It automatically reboots after a short while. Log in via SSH again.
30 +1. Run: ##opkg update##
31 +1. Run: ##**opkg install luci**##
32 +1. Access LuCI via [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You can now configure.
33 +
34 +If you are on my 18.x below, sysupgrading to a 19.07 image will not work. You have to manually mtd write the 19.07 "kernel-initramfs.bin" into the nand and boot/log into it (192.168.1.1), then sysupgrade.
35 +
36 +Sysupgrade from 19.07.x to another 19.07.y will work. **HOWEVER: **sysupgrade will wipe entire firmware partitions! Backup your files/config before sysupgrade.
37 +
20 20  = 18.x =
21 21  
22 22  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download: