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我曾尝试使用 adb shell 来操作手机的网络接口(HTC Desire Z)。如图所示,我先ping了一个站点,然后把3G网络关掉,再ping,它说网络不可达。但是当我打开它并使用 ifconfig 并确认它确实打开时。但是当我 ping 它时,它总是说网络无法访问。谁能帮我 ?!!?

这是我的控制台内容:(顺便说一句,我是新用户,不允许发布图片)

ping 211.69.198.222
PING 211.69.198.222 (211.69.198.222) 56(84) bytes of data.
64 bytes from 211.69.198.222: icmp_seq=1 ttl=46 time=356 ms
64 bytes from 211.69.198.222: icmp_seq=2 ttl=46 time=294 ms
64 bytes from 211.69.198.222: icmp_seq=5 ttl=46 time=342 ms
64 bytes from 211.69.198.222: icmp_seq=6 ttl=46 time=341 ms
64 bytes from 211.69.198.222: icmp_seq=8 ttl=46 time=342 ms
64 bytes from 211.69.198.222: icmp_seq=9 ttl=46 time=330 ms
^C
--- 211.69.198.222 ping statistics ---
9 packets transmitted, 6 received, 33% packet loss, time 8025ms
rtt min/avg/max/mdev = 294.831/334.533/356.018/19.263 ms
# ifconfig rmnet0
rmnet0: ip 172.22.39.243 mask 255.255.255.248 flags [up broadcast running multicast]
# ifconfig rmnet0 down
# ping 211.69.198.222
connect: Network is unreachable
# ifconfig rmnet0 up
# ping 211.69.198.222
connect: Network is unreachable
# ping 211.69.198.222
connect: Network is unreachable
# ifconfig rmnet0
rmnet0: ip 172.22.39.243 mask 255.255.255.248 flags [up broadcast running multicast]
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1 回答 1

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我是作者,我得到了答案。当关闭接口时,您的 IP 将被释放。使用“netcfg rmnet0 dhcp”首先使 ip 可用,然后您可以根据需要 ping 站点。

于 2012-07-05T01:33:35.910 回答