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    mt7688 + AIR720 / AIR724 简单测试

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    4g 7688 air720 air724 rndis
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    • M
      mangogeek last edited by mangogeek

      首先,重新编译op,将Kernel modules ---> USB Support ---> 下的
      kmod-usb-net
      kmod-usb-net-rndis

      kmod-usb-serial
      kmod-usb-serial-wwan
      打开

      AT端口是ttyUSB2,但必须要修改内核里usb-serial才行。修改地方参考官方资料:http://ask.openluat.com/article/37
      我懒得改了,直接测rndis。
      启动后,看log

        rndis_host 1-1:1.0 eth1: register 'rndis_host' at usb-101c0000.ehci-1, RNDIS device, ac:62:4f:1f:3a:9d
      

      发现新注册了eth1,我们手动将eth1添加到network中的wan部分。
      /etc/config/network

      config interface 'wan'
              option force_link '1'
              option macaddr '0c:ef:af:d2:a9:f2'
              option proto 'dhcp'
              option ifname 'eth1'
      

      在nr一下(/etc/init.d/network restart)
      ifconfig eth1

      root@Widora:~# ifconfig eth1
      eth1      Link encap:Ethernet  HWaddr 0C:EF:AF:D2:A9:F2  
                inet addr:192.168.0.100  Bcast:192.168.0.255  Mask:255.255.255.0
                inet6 addr: fe80::eef:afff:fed2:a9f2/64 Scope:Link
                UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                RX packets:40 errors:0 dropped:0 overruns:0 frame:0
                TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
                collisions:0 txqueuelen:1000 
                RX bytes:3715 (3.6 KiB)  TX bytes:15194 (14.8 KiB)
      

      我们在7688中先尝试ping qq.com

      root@Widora:~# ping qq.com
      PING qq.com (111.161.64.40): 56 data bytes
      64 bytes from 111.161.64.40: seq=0 ttl=53 time=21.816 ms
      64 bytes from 111.161.64.40: seq=1 ttl=53 time=19.773 ms
      64 bytes from 111.161.64.40: seq=2 ttl=53 time=19.538 ms
      64 bytes from 111.161.64.40: seq=3 ttl=53 time=15.324 ms
      ^C
      --- qq.com ping statistics ---
      4 packets transmitted, 4 packets received, 0% packet loss
      round-trip min/avg/max = 15.324/19.112/21.816 ms
      

      此时,ifconfig eth0,发现已经获取IP地址,电脑通过NEO的网口连接,可正常浏览网页,我们测个速。 AIR720
      屏幕快照 2019-09-09 上午7.11.03.png

      懒人固件: openwrt-ramips-mt7688-WIDORA32128-squashfs-sysupgrade.bin

      值得一提的是上网和测试,CPU使用率一直极低,这应该是rndis接口的好处吧。
      屏幕快照 2019-09-09 上午7.54.45.png

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      • M
        mangogeek last edited by

        Air724 on MT7688 测速

        C7AD9BBB44908FE9BDBCA4B849D27919.JPG

        cat1on7688.jpg

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        • T
          tuzhyi last edited by

          请问系统重启后,/etc/config/network 又恢复成原来状态是什么原因?

          M 1 Reply Last reply Reply Quote
          • M
            mangogeek @tuzhyi last edited by

            @tuzhyi 两种原因:
            1、重新编译的固件忘了选择overlay。
            2、首次启动需要等待jffs2初始化完毕,大约1分钟。如果在这个时间之前修改文件系统,重启后一定会丢失。

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            • T
              tuzhyi @mangogeek last edited by

              @mangogeek 谢谢,是第二个原因!

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