我的AM3352上的双网口,正常通信后,我使用ifconfig eth0 down命令关掉其中1个网卡,结果另外1个也不通了。我再使用ifconfig eth0 up打开,两个网卡仍然不通。我把两个网卡都down掉之后,再up就又通了,请问这个是什么原因导致的。网卡之间不是隔离的吗?
用的是cpsw驱动
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