### 查看/配置网卡配置信息 ``` ifconfig docker0 Link encap:Ethernet HWaddr 02:42:54:ed:03:05 inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) eth0 Link encap:Ethernet HWaddr 00:16:3e:05:ee:8e inet addr:172.31.232.153 Bcast:172.31.239.255 Mask:255.255.240.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:566742 errors:0 dropped:0 overruns:0 frame:0 TX packets:337735 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:601749862 (601.7 MB) TX bytes:28547880 (28.5 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:126 errors:0 dropped:0 overruns:0 frame:0 TX packets:126 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:10986 (10.9 KB) TX bytes:10986 (10.9 KB) ``` ``` ifconfig | grep inet inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0 inet addr:172.31.232.153 Bcast:172.31.239.255 Mask:255.255.240.0 inet addr:127.0.0.1 Mask:255.0.0.0 ```