OVS报错:s1.mgmt: version negotiation failed (we support version 0x01, peer supports version 0x04) ovs-ofctl: s1: failed to connect to socket (Broken pipe)
mininet搭建拓扑后,查看流表,发现ovs命令报错
查找原因发现系mininet创建拓扑的命令使用了OpenFlow 1.3版本
ovs dump-flows命令默认是1.0版本,因此需要在ovs dump-flows命令中指定OpenFlow 版本,问题解决。

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