Last modified by Leon Poon on 2021/07/16 18:40
From version 40.1
edited by Leon Poon
on 2020/12/10 08:46
Change comment: There is no comment for this version
To version 13.1
edited by Leon Poon
on 2020/05/31 08:44
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]].
4 4  
4 +[[https:~~/~~/github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100>>https://github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100]]
5 5  
6 +
6 6  = 19.07.x =
7 7  
8 -Openwrt 19.07.4 for EA8100 is here!
9 +[[https:~~/~~/www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/>>url:https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]]
9 9  
10 -Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
11 +The EA8100 contains 2 firmware partitions. Flashing via the Linksys UI will only flash openwrt into one of the 2 partitions.
11 11  
12 -* Wifi (5Ghz) seem to work at 30-40MB/s with a MacBook Pro.
13 -* **Known issue**: 2.4Ghz wifi performance is really bad. You probably want to disable 2.4Ghz wifi.
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.
14 14  
15 -UPDATED 2020-12-10 the 19.07.04 builds now includes LuCi! Follow these instructions:
15 +You cannot sysupgrade from 18.x to 19.07.x.
16 16  
17 -1. Grab initramfs-factory.img from [[https:~~/~~/www.codepowered.com/openwrt/v19.07.4/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-initramfs-factory.img>>https://www.codepowered.com/openwrt/v19.07.4/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-initramfs-factory.img]] and flash it via Linksys UI.
18 -1. Wait for Openwrt to boot so that you get to LuCi at [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. Do NOT configure yet! It's not ready.
19 -1. Then grab squashfs-sysupgrade.bin from [[https:~~/~~/www.codepowered.com/openwrt/v19.07.4/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin>>https://www.codepowered.com/openwrt/v19.07.4/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin]] and flash it via LuCi
20 -1. Wait for it to reboot. Now you can configure!
17 +Sysupgrade from 19.07.x will not save config! Back up your config and other files in the router before you sysupgrade.
21 21  
22 -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.
23 23  
24 -Sysupgrade from 19.07.x to another 19.07.y will work. You can also upgrade via LuCI. **HOWEVER: **upgrading will wipe entire firmware partitions! Backup your files/config before sysupgrade.
25 -
26 ---**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.)--
27 -
28 ---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.--
29 -
30 ---How to flash if your router currently has stock Linksys firmware:--
31 -
32 -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.--
33 -1. --Configure your computer to have IP in ##192.168.1.2/255.255.255.0##.--
34 -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: "Index of /." Do a reboot if you see Linksys UI instead, then check again when it boots. --
35 -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>>doc:How to WinSCP.WebHome]] if on Windows. [[root@192.168.1.1>>mailto:root@192.168.1.1]] (No password).--
36 -1. --Ssh into [[root@192.168.1.1>>mailto:root@192.168.1.1]] (no password). Use [[putty>>doc:How to Putty.WebHome]] to ssh if you are on Windows.--
37 -1. --In the ssh shell run: ##sysupgrade /tmp/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin##--
38 -1. --It automatically reboots after a short while. Log in via SSH again. Check you are online by pinging 8.8.8.8 when in SSH.--
39 -1. --Run: ##opkg update##--
40 -1. --Run: ##**opkg install luci**##--
41 -1. --Access LuCI via [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You can now configure.--
42 -
43 43  = 18.x =
44 44  
45 45  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download: