ovs-ofctl mod−port <bridge> <iface> <action>
Modify behaviors of port <iface> in switch. <iface> can be an OpenFlow port number or name, or the LOCAL port name. The <action> can be as follows:
ovs-ofctl mod-port <bridge> <iface> up
ovs-ofctl mod-port <bridge> <iface> down
Enable or disable the port link status.
ovs-ofctl mod-port <bridge> <iface> receive
ovs-ofctl mod-port <bridge> <iface> no−receive
Allow or disallow this interface to receive traffic. By default, receiving is allowed.
ovs-ofctl mod-port <bridge> <iface> forward
ovs-ofctl mod-port <bridge> <iface> no−forward
Allow or disallow traffic forwarding on this interface. By default, forwarding is allowed.
ovs-ofctl mod-port <bridge> <iface> flood
ovs-ofctl mod-port <bridge> <iface> no−flood
Controls whether the interface is to flood the received traffic or not. By default, flooding is enabled. Disabling flooding is primarily useful to prevent loops when a spanning tree protocol is not in use.
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