Last modified by Leon Poon on 2021/07/16 18:40
From version 56.1
edited by Leon Poon
on 2021/07/16 10:35
Change comment: There is no comment for this version
To version 39.1
edited by Leon Poon
on 2020/09/10 15:17
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 =
6 6  
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 -
13 -If you are already on 19.07, please do not sysupgrade with 21.02 sysupgrade.bin, because sysupgrade.bin format in 21.02 is not supported by 19.07 sysupgrade utility.
14 -
15 -21.02 images:
16 -
17 -{{code language="none"}}
18 -openwrt-21.02.0-rc3-ramips-mt7621-linksys_ea8100-v1-initramfs-kernel.bin: u-boot legacy uImage, MIPS OpenWrt Linux-5.4.124, Linux/MIPS, OS Kernel Image (Not compressed), 4912189 bytes, Sun Jun 13 22:02:19 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0x9C4276B9, Data CRC: 0xBC5373AC
19 -openwrt-21.02.0-rc3-ramips-mt7621-linksys_ea8100-v1-squashfs-factory.bin: u-boot legacy uImage, MIPS OpenWrt Linux-5.4.124, Linux/MIPS, OS Kernel Image (Not compressed), 2357363 bytes, Sun Jun 13 22:02:19 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0xAC8B8E31, Data CRC: 0xC42A191A
20 -openwrt-21.02.0-rc3-ramips-mt7621-linksys_ea8100-v1-squashfs-sysupgrade.bin: POSIX tar archive (GNU)
21 -{{/code}}
22 -
23 -(% class="wikigeneratedid" %)
24 -19.07:
25 -
26 -{{code language="none"}}
27 -openwrt-ramips-mt7621-ea8100-initramfs-factory.img: u-boot legacy uImage, MIPS OpenWrt Linux-4.14.221, Linux/MIPS, OS Kernel Image (lzma), 5049994 bytes, Mon Feb 15 15:22:37 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0x9EAE22DC, Data CRC: 0x739C919A
28 -openwrt-ramips-mt7621-ea8100-initramfs-kernel.bin: u-boot legacy uImage, MIPS OpenWrt Linux-4.14.221, Linux/MIPS, OS Kernel Image (lzma), 5049994 bytes, Mon Feb 15 15:22:37 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0x9EAE22DC, Data CRC: 0x739C919A
29 -openwrt-ramips-mt7621-ea8100-squashfs-factory.img: u-boot legacy uImage, MIPS OpenWrt Linux-4.14.221, Linux/MIPS, OS Kernel Image (lzma), 2012291 bytes, Mon Feb 15 15:22:37 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0xD210527A, Data CRC: 0x404E16F6
30 -openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin: u-boot legacy uImage, MIPS OpenWrt Linux-4.14.221, Linux/MIPS, OS Kernel Image (lzma), 2012291 bytes, Mon Feb 15 15:22:37 2021, Load Address: 0x80001000, Entry Point: 0x80001000, Header CRC: 0xD210527A, Data CRC: 0x404E16F6
31 -{{/code}}
32 -
33 33  = 19.07.x =
34 34  
35 -Openwrt 19.07.7 for EA8100 is here!
8 +Openwrt 19.07.4 for EA8100 is here!
36 36  
37 -Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.07:
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]])
38 38  
12 +Since [[19.07.03>>https://www.codepowered.com/openwrt/v19.07.3/linksys_ea8100/]], as of 19.07.04:
13 +
39 39  * Wifi (5Ghz) seem to work at 30-40MB/s with a MacBook Pro.
40 40  * **Known issue**: 2.4Ghz wifi performance is really bad. You probably want to disable 2.4Ghz wifi.
41 41  
42 -UPDATED 2020-12-10 the 19.07.04 and later builds now includes LuCi!
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.)
43 43  
44 -(% class="box warningmessage" %)
45 -(((
46 -Always use a PC connected to the device via wired ethernet for flashing firmwares.
47 -)))
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.
48 48  
49 -Follow these instructions:
21 +How to flash if your router currently has stock Linksys firmware:
50 50  
51 -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);"]]##
52 -1. Access Linksys UI (default [[http:~~/~~/192.168.10.1/>>http://192.168.10.1/]]). Flash **##initramfs-factory.img##**. It will reboot.
53 -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.
54 -1. Flash **##squashfs-sysupgrade.bin##** via LuCi
55 -1. Wait for it to reboot. Now you can configure!
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: "Index of /." 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>>doc:How to WinSCP.WebHome]] 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>>doc:How to Putty.WebHome]] 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. Check you are online by pinging 8.8.8.8 when in SSH.
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.
56 56  
57 -For kernel modules, replace the relevant link in your ##/etc/opkg/distfeeds.conf(% class="small" %) (%%)##with this:
58 -
59 -{{code language="none"}}
60 -src/gz openwrt_core https://www.codepowered.com/openwrt/v19.07.7/bin/targets/ramips/mt7621/packages
61 -{{/code}}
62 -
63 63  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.
64 64  
65 -Sysupgrade from 19.07.x to another 19.07.y will work. You can also upgrade via LuCI.
36 +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.
66 66  
67 -{{warning}}
68 -Upgrading images will wipe entire firmware partitions! Backup your files/config before sysupgrade. It will reset router ip to 192.168.1.1.
69 -{{/warning}}
70 -
71 ---**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.)--
72 -
73 ---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.--
74 -
75 ---How to flash if your router currently has stock Linksys firmware:--
76 -
77 -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.--
78 -1. --Configure your computer to have IP in ##192.168.1.2/255.255.255.0##.--
79 -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. --
80 -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).--
81 -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.--
82 -1. --In the ssh shell run: ##sysupgrade /tmp/openwrt-ramips-mt7621-ea8100-squashfs-sysupgrade.bin##--
83 -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.--
84 -1. --Run: ##opkg update##--
85 -1. --Run: ##**opkg install luci**##--
86 -1. --Access LuCI via [[http:~~/~~/192.168.1.1/>>http://192.168.1.1/]]. You can now configure.--
87 -
88 88  = 18.x =
89 89  
90 90  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download:
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Date
... ... @@ -1,1 +1,1 @@
1 -2019-05-09 16:42:45.0
1 +2019-05-10 00:42:45.0