Last modified by Leon Poon on 2021/07/16 18:40
From version 16.1
edited by Leon Poon
on 2020/05/31 11:49
Change comment: There is no comment for this version
To version 33.1
edited by Leon Poon
on 2020/09/10 14:43
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>>ea8100]].
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  
5 5  
6 6  = 19.07.x =
7 7  
8 -[[https:~~/~~/www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/>>url:https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]] ([[https:~~/~~/github.com/LeonPoon/openwrt/compare/v19.07.3...v19.07.3-linksys_ea8100>>url:https://github.com/LeonPoon/openwrt/compare/v19.07.3...v19.07.3-linksys_ea8100]])
8 +19.07.4 is here!
9 9  
10 -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 partition.
10 +Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
11 11  
12 -How to flash:
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 13  
14 -If your router currently has stock Linksys firmware:
15 +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]])
15 15  
16 -1. flash the "squashfs-factory.img" via Linksys UI, cross your fingers that it boots openwrt when auto rebooting. Otherwise keep rebooting until it loads openwrt. (Usually 3 times max.)
17 -1. access LuCI via LAN. (It's at 192.168.1.1 so you should set connect your computer and configure your computer with an IP on same subnet eg 192.168.1.2/24). Set root password so that SSH server starts. (do not configure/restart.)
18 -1. Scp the "squashfs-sysupgrade.bin" into /tmp in the router.
19 -1. Log in via SSH.
20 -1. Sysupgrade the squashfs-sysupgrade.bin. This should flash the openwrt firmware into both firmware partitions. It auto reboots.
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 follow instructions to get the squashfs.bin flashed, then opkg update and opkg install luci.
21 21  
22 -If you are on my 18.x below, sysupgrade will not work. You have to manually mtd write the 19.07 "kernel-initramfs.bin" and boot into it, then sysupgrade. Back up data before mtd write!
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.
23 23  
24 -Subsequently sysupgrade from 19.07.x should work but it will **not **save config! Back up your config and other files in the router before you sysupgrade.
21 +How to flash if your router currently has stock Linksys firmware:
25 25  
26 -Wifi seem to work at 30-40MB/s with a MacBook Pro.
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/]]. You are 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.
27 27  
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.
28 28  
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 +
29 29  = 18.x =
30 30  
31 31  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download: