
有人可以解释这种行为吗?
启动后,我运行以下命令:
ifdown eth0
ifconfig eth0 0.0.0.0
如果我再跑一次
ifdown eth0
命令,我得到了答复
ifdown: interface eth0 not configured
即使接口已启动并正在运行:
ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 metric 1
inet 192.168.0.239 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::fadc:7aff:fec4:aa9 prefixlen 64 scopeid 0x20<link>
ether f8:dc:7a:c4:0a:a9 txqueuelen 1000 (Ethernet)
RX packets 277 bytes 27140 (26.5 KiB)
RX errors 0 dropped 36 overruns 0 frame 0
TX packets 120 bytes 14650 (14.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
我正在运行 yocto linux 嵌入式机器(Variscite SOC imx-6)。