Last modified by Leon Poon on 2021/07/16 18:40
From version 33.1
edited by Leon Poon
on 2020/09/10 14:43
Change comment: There is no comment for this version
To version 53.1
edited by Leon Poon
on 2021/06/27 04:45
Change comment: There is no comment for this version

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2 2  
3 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 += 21.02.x =
5 5  
7 +Thanks to [[this patch>>https://github.com/openwrt/openwrt/commit/97df795b78dc572ea2ec105ccbf8af27cc4b4d8e]], EA8100 is now supported from openwrt 21.02.
8 +
9 +The 21.02 release is currently at RC3. You can get it from [[openwrt firmware selector>>https://firmware-selector.openwrt.org/?version=21.02.0-rc3&target=ramips%2Fmt7621&id=linksys_ea8100-v1]] page.
10 +
11 +Both 2.4Ghz and 5Ghz wifi are working fine.
12 +
6 6  = 19.07.x =
7 7  
8 -19.07.4 is here!
15 +Openwrt 19.07.7 for EA8100 is here!
9 9  
10 -Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
17 +Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.07:
11 11  
12 12  * Wifi (5Ghz) seem to work at 30-40MB/s with a MacBook Pro.
13 13  * **Known issue**: 2.4Ghz wifi performance is really bad. You probably want to disable 2.4Ghz wifi.
14 14  
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]])
22 +UPDATED 2020-12-10 the 19.07.04 and later builds now includes LuCi!
16 16  
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.
24 +(% class="box warningmessage" %)
25 +(((
26 +Always use a PC connected to the device via wired ethernet for flashing firmwares.
27 +)))
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.
29 +Follow these instructions:
20 20  
21 -How to flash if your router currently has stock Linksys firmware:
31 +1. Download ##[[initramfs-factory.img>>https://www.codepowered.com/openwrt/v19.07.7/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-initramfs-factory.img]]## and ##[[squashfs-sysupgrade.bin>>https://www.codepowered.com/openwrt/v19.07.7/bin/targets/ramips/mt7621/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin||style="background-color: rgb(255, 255, 255);"]]##
32 +1. Access Linksys UI (default [[http:~~/~~/192.168.10.1/>>http://192.168.10.1/]]). Flash **##initramfs-factory.img##**. It will reboot.
33 +1. Wait for Openwrt to boot so that you get to LuCi at [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You might need to restart your PC so that it gets a ##192.168.1.x## address from openwrt. Once you get LuCI, do NOT configure yet! It's not ready.
34 +1. Flash **##squashfs-sysupgrade.bin##** via LuCi
35 +1. Wait for it to reboot. Now you can configure!
22 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/]]. 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.
37 +For kernel modules, replace the relevant link in your ##/etc/opkg/distfeeds.conf(% class="small" %) (%%)##with this:
33 33  
39 +{{code language="none"}}
40 +src/gz openwrt_core https://www.codepowered.com/openwrt/v19.07.7/bin/targets/ramips/mt7621/packages
41 +{{/code}}
42 +
34 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 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.
45 +Sysupgrade from 19.07.x to another 19.07.y will work. You can also upgrade via LuCI.
37 37  
47 +{{warning}}
48 +Upgrading images will wipe entire firmware partitions! Backup your files/config before sysupgrade. It will reset router ip to 192.168.1.1.
49 +{{/warning}}
50 +
51 +--**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.)--
52 +
53 +--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.--
54 +
55 +--How to flash if your router currently has stock Linksys firmware:--
56 +
57 +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.--
58 +1. --Configure your computer to have IP in ##192.168.1.2/255.255.255.0##.--
59 +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. --
60 +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).--
61 +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.--
62 +1. --In the ssh shell run: ##sysupgrade /tmp/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin##--
63 +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.--
64 +1. --Run: ##opkg update##--
65 +1. --Run: ##**opkg install luci**##--
66 +1. --Access LuCI via [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You can now configure.--
67 +
38 38  = 18.x =
39 39  
40 40  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download:
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Date
... ... @@ -1,1 +1,1 @@
1 -2019-05-10 00:42:45.0
1 +2019-05-09 16:42:45.0