Last modified by Leon Poon on 2021/07/16 18:40
From version 12.1
edited by Leon Poon
on 2019/11/02 14:42
Change comment: There is no comment for this version
To version 42.1
edited by Leon Poon
on 2020/12/10 15:12
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 += 19.07.x =
7 +
8 +Openwrt 19.07.4 for EA8100 is here!
9 +
10 +Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
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.
14 +
15 +UPDATED 2020-12-10 the 19.07.04 builds now includes LuCi! Follow these instructions:
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!
21 +
22 +For kernel modules, replace with this in your opkg distfeeds.conf:
23 +
24 +{{code language="none"}}
25 +src/gz openwrt_core https://www.codepowered.com/openwrt/v19.07.4/bin/targets/ramips/mt7621/packages
26 +{{/code}}
27 +
28 +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.
29 +
30 +Sysupgrade from 19.07.x to another 19.07.y will work. You can also upgrade via LuCI.
31 +
32 +{{warning}}
33 +Upgrading images will wipe entire firmware partitions! Backup your files/config before sysupgrade. It will reset router ip to 192.168.1.1.
34 +{{/warning}}
35 +
36 +--**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.)--
37 +
38 +--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.--
39 +
40 +--How to flash if your router currently has stock Linksys firmware:--
41 +
42 +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.--
43 +1. --Configure your computer to have IP in ##192.168.1.2/255.255.255.0##.--
44 +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. --
45 +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).--
46 +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.--
47 +1. --In the ssh shell run: ##sysupgrade /tmp/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin##--
48 +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.--
49 +1. --Run: ##opkg update##--
50 +1. --Run: ##**opkg install luci**##--
51 +1. --Access LuCI via [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You can now configure.--
52 +
53 += 18.x =
54 +
6 6  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download:
7 7  
8 8  * [[initramfs-kernel.bin>>attach:openwrt-ramips-mt7621-linksys_ea8100-initramfs-kernel-9bebafcb5dfe37f25285fa18fb8bfe7b68011267.bin]]