On 09/03/2016 03:08 AM, sunyeping wrote:
But when I give "ifconfig" command in a gnome terminal, the output information seems to be correct:[sunyp@localhost Desktop]$ ifconfig ... eth1 Link encap:Ethernet HWaddr 00:25:90:72:E2:87 inet6 addr: fe80::225:90ff:fe72:e287/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:49 errors:0 dropped:0 overruns:0 frame:0 TX packets:11 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:16386 (16.0 KiB) TX bytes:3038 (2.9 KiB) Interrupt:17 Memory:fafe0000-fb000000
You don't have any valid IPv4 or IPv6 addresses. Normally those things are provided by your router. Check your cabling first. Then check your router's logs to see if it's getting DHCP requests from your desktop.
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