OVS kernel’s table entry timeout

How long a kernel’s table entry can be inactive? The OVS kernel’s table can inactive, by default, during a time interval less than 5 seconds. After 5 seconds being inactive, the flow entry is removed from the table. This time is dictated by ovs-vswitchd.

From the original post:

”ovs-vswitchd determines how long the flow should stay in the kernel flow table. By default, it expires a flow after five seconds of inactivity. It can be more aggressive if the flow table becomes large.”


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