Ubiquiti EdgeRouter X (ER

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发布时间：2025-08-17 03:40

本帖最后由至尊红颜于 2016-9-20 10:38 编辑

这款小巧精致的路由器有4个LAN口1个wan口，参看以下外观截图
硬件配置：
System-On-Chip       MediaTek MT7621AT
NAND FLASH          256M
MEMORY                256M
WLAN 2.4G             -
WLAN 5G                -
USB ports                -

官方固件下载地址：
https://dl.ubnt.com/firmwares/edgemax/v1.9.0/ER-e50.v1.9.0.4901118.tar

官方固件有hw_nat

官方分区表：
Creating 7 MTD partitions on "MT7621-NAND":
0x000000000000-0x00000ff80000 : "ALL"
0x000000000000-0x000000080000 : "Bootloader"
0x000000080000-0x0000000e0000 : "Config"
0x0000000e0000-0x000000140000 : "eeprom"
0x000000140000-0x000000440000 : "Kernel"
0x000000440000-0x000000740000 : "Kernel2"
0x000000740000-0x00000ff00000 : "RootFS"

OpenWrt Upgrade URL：
https://downloads.openwrt.org/snapshots/trunk/ramips/mt7621/openwrt-ramips-mt7621-ubnt-erx-squashfs-sysupgrade.tar

openwrt没有hw_nat，没有开源驱动

OP 分区表：
6 ofpart partitions found on MTD device MT7621-NAND
Creating 6 MTD partitions on "MT7621-NAND":
0x000000000000-0x000000080000 : "u-boot"
0x000000080000-0x0000000e0000 : "u-boot-env"
0x0000000e0000-0x000000140000 : "factory"
0x000000140000-0x000000440000 : "kernel1"
0x000000440000-0x000000740000 : "kernel2"
0x000000740000-0x00000ff00000 : "ubi"

不要随意乱动factory分区，尤其是分区擦写时，参看以下截图：

官方固件刷OP firmware起不来肿么办，不要慌张，只要官方uboot还在就问题不大, tftp刷机：
i.  上TTL串口，参看inner_side截图
ii. 选择uboot启动方式，可以是1或是2，设置tftp client和server IP 地址，注意device是router
Please choose the operation:
1: Load system code to SDRAM via TFTP.
2: Load system code then write to Flash via TFTP.
3: Boot system code via Flash (default).
4: Entr boot command line interface.
7: Load Boot Loader code then write to Flash via Serial.
9: Load Boot Loader code then write to Flash via TFTP.
default: 3                                                                                                                         4
You choosed 1
                                                                                                                                       0

1: System Load Linux to SDRAM via TFTP.
Please Input new ones /or Ctrl-C to discard
      Input device IP (172.16.3.212) ==:192.168.2.199
      Input server IP (172.16.3.210) ==:192.168.2.104
      Input Linux Kernel filename (vme50) ==

penwrt.bin

netboot_common, argc= 3

NetTxPacket = 0x8FFE55C0

KSEG1ADDR(NetTxPacket) = 0xAFFE55C0

NetLoop,call eth_halt !

NetLoop,call eth_init !
Trying Eth0 (10/100-M)

Waitting for RX_DMA_BUSY status Start... done

ETH_STATE_ACTIVE!!
TFTP from server 192.168.2.104; our IP address is 192.168.2.199
Filename 'openwrt.bin'.

TIMEOUT_COUNT=10,Load address: 0x80a00000
Loading: checksum bad
checksum bad
checksum bad
Got ARP REPLY, set server/gtwy eth addr (70:5a:b6:b4:24:a1)
Got it
#################################################################
      #################################################################
      #################################################################
      #################################################################
      #################################################################
      #################################################################
      #################################################################
      #################################################################
      ##############
done
Bytes transferred = 2731102 (29ac5e hex)
NetBootFileXferSize= 0029ac5e
..Erasing NAND Flash...
ranand_erase: start:80000, len:20000
.Writing to NAND Flash...
done
Automatic boot of image at addr 0x80A00000 ...
## Booting image at 80a00000 ...
Image Name: MIPS OpenWrt Linux-4.4.6
Image Type: MIPS Linux Kernel Image (lzma compressed)
Data Size: 2731038 Bytes =  2.6 MB
Load Address: 80001000
Entry Point:  80001000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 80001000) ...
## Giving linux memsize in MB, 256

Starting kernel ...

（ps：以上log中将openwrt-ramips-mt7621-ubnt-erx-initramfs-kernel.bin文件重命名成openwrt.bin）
iii. Perfect, 板子想预期的一样正常启动了，百度网盘中有openwrt-ramips-mt7621-ubnt-erx-initramfs-kernel.bin
BusyBox v1.24.2 () built-in shell (ash)

  _______                   ________       __
|    |.-----.-----.-----.|  |  |  |.----.|  |_
| - ||  _  |  -__|    ||  |  |  || _|| _|
|_______|| __|_____|__|__||________||__|  |____|
      |__| W I R E L E S S F R E E D O M
-----------------------------------------------------
DESIGNATED DRIVER (Bleeding Edge, 49928)
-----------------------------------------------------
  * 2 oz. Orange Juice       Combine all juices in a
  * 2 oz. Pineapple Juice    tall glass filled with
  * 2 oz. Grapefruit Juice    ice, stir well.
  * 2 oz. Cranberry Juice
-----------------------------------------------------
root@OpenWrt:/#
root@OpenWrt:/#
root@OpenWrt:/#
root@OpenWrt:/#

ramfs bin文件百度网盘地址:

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