Linksys EA8100 v2

multiple revisions of this device, use caution

abgn+ac (AC2600)
Max-Stream AC2600 MU-MIMO Gigabit WiFi router
Homepage	Product page
Support	Support page (v1.0/2.0)
Wikipedia	Linksys routers
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Linksys EA8100 v2
FCC ID	none specified
Type	wireless router
CPU1 Y	MediaTek MT7621AT
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Brand? Model?
Flash1 Size	128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (NAND)
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	MediaTek MT7621AT
Switch	MediaTek MT7621AT
Ethernet Port Count	1-1GbE-WAN 5-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Expansion IF types	USB 2.0, USB 3.0
USB ports	2
USB Hub Compatible	Untested
Power	12 VDC, 2.5 A
Serial Port (UART)	yes
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7615N
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11b/g/n
n-QAM	up to 800 Mbps
802.11n	up to 600 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz
Radio 2
Chip1	MediaTek MT7615N
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11a/n/ac
802.11ac	up to 1733 Mbps
802.11n	up to 600 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz
CPU1 brand Radio1 chip1 brand Radio2 chip1 brand Linksys EA8100 v1 MediaTek MediaTek MediaTek Linksys EA8100 v2 MediaTek MediaTek MediaTek

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented Linksys devices with specifications, see Linksys.

• 800 Mbps - 4SS 2.4GHz 802.11n (40MHz chan., 256-QAM),

• 1733 Mbps - 4SS 5GHz 802.11ac (80MHz chan.) = AC2600 class

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki

Target: ramips
Subtarget: mt7621
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 22.03.0
Current supported version: 25.12.2

LAN Hardware: MediaTek MT7621AT
WLAN Hardware: 2x MediaTek MT7615N
WLAN Comment: 4x4:4 MIMO both bands
Installation method(s):
GUI OEM, see git-commit
Recovery method(s):
See git-commit

git • >>

ramips: add support for Linksys EA8100 v2 Specifications: - SoC: MT7621AT - RAM: 256MB - Flash: 128MB NAND - Ethernet: 5 Gigabit ports - WiFi: 2.4G/5G MT7615N - USB: 1 USB 3.0, 1 USB 2.0 This device is very similar to the EA7300 v1/v2, EA7500 v2, and EA8100 v1. Installation: Upload the generated factory image through the factory web interface. (following part taken from EA7300 v2 commit message:) This might fail due to the A/B nature of this device. When flashing, OEM firmware writes over the non-booted partition. If booted from 'A', flashing over 'B' won't work. To get around this, you should flash the OEM image over itself. This will then boot the router from 'B' and allow you to flash OpenWRT without problems. Reverting to factory firmware: Hard-reset the router three times to force it to boot from 'B.' This is where the stock firmware resides. To remove any traces of OpenWRT from your router simply flash the OEM image at this point. With thanks to Tom Wizetek (@wizetek) for testing.