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获取openwrt mac地址
在openwrt控制台输入 ifconfig，可以获取当前设备网络信息，mac地址也在其中，我们可以通过shell命令取出来。 br-lan Link encap:Ethernet HWaddr 52:CE:C3:A0:88:D7 inet addr:192.168.250.10 Bcast:192.168.250.255 Mask:255.255.255.0 inet6 addr: fdc7:de6f:69f5::1/60 Scope:Global inet6 addr: fe80::50ce:c3ff:fea0:88d7/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:842424 errors:0 dropped:0 overruns:0 frame:0 TX packets:649856 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:84476314 (80.5 MiB) TX bytes:319068513 (304.2 MiB) eth0 Link encap:Ethernet HWaddr E2:0A:EA:0B:58:89 inet6 addr: fe80::e00a:eaff:fe0b:5889/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:849411 errors:0 dropped:4 overruns:0 frame:0 TX packets:715450 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:100066291 (95.4 MiB) TX bytes:333498099 (318.0 MiB) Interrupt:5 eth0.1 Link encap:Ethernet HWaddr 52:CE:C3:A0:88:D7 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:842513 errors:0 dropped:89 overruns:0 frame:0 TX packets:687136 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:84480408 (80.5 MiB) TX bytes:321081969 (306.2 MiB) eth0.2 Link encap:Ethernet HWaddr 52:CE:C3:A0:88:D8 inet6 addr: fe80::50ce:c3ff:fea0:88d8/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:28297 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:9551819 (9.1 MiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:84361 errors:0 dropped:0 overruns:0 frame:0 TX packets:84361 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:7513025 (7.1 MiB) TX bytes:7513025 (7.1 MiB) tap0 Link encap:Ethernet HWaddr 7E:EF:B0:FD:50:3E UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:32473 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:3250540 (3.0 MiB) wlan0 Link encap:Ethernet HWaddr 30:4A:26:5B:FE:84 inet addr:192.168.6.189 Bcast:192.168.6.255 Mask:255.255.255.0 inet6 addr: fe80::324a:26ff:fe5b:fe84/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:449934 errors:0 dropped:0 overruns:0 frame:0 TX packets:339493 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:295640826 (281.9 MiB) TX bytes:62316576 (59.4 MiB) 获取有线上网wan口mac： ifconfig | grep eth0.2 | awk '{ print $5 }' 52:CE:C3:A0:88:D8 获取无线上网wan口mac： ifconfig | grep wlan0 | awk '{ print $5 }' 30:4A:26:5B:FE:84 获取lan口mac： ifconfig | grep br-lan | awk '{ print $5 }' 52:CE:C3:A0:88:D7在C语言中调用以上shell命令，返回值就是对应的mac。关于C语言中调用shell命令，可以看另一篇文章：C语言获取linux shell命令返回值。 |
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