[ovs-discuss] ovs flow duration

[Ben Pfaff]

On Tue, Mar 24, 2015 at 12:03:25PM +0800, Vinllen Chen wrote:
> Hi all:
>     I build a small network to test the ping, the topology is showd below:
> 
> host1 ---- switch1----switch2 ----host2
> host1 ip: 10.0.0.1
> host2 ip: 10.0.0.2
>     When i use host1 ping host2, and then use host2 ping host1, it works
> ok. Then i use "ovs-ofctl dump-flows switch2" command to show the flows:
> NXST_FLOW reply (xid=0x4):
>  cookie=0x0, duration=1873.140s, table=0, n_packets=1843, n_bytes=180614,
> idle_age=0, priority=1,ip,nw_dst=10.0.0.1 actions=output:1
>  cookie=0x0, duration=118.427s, table=0, n_packets=118, n_bytes=11564,
> idle_age=0, priority=1,ip,nw_dst=10.0.0.2
> actions=mod_dl_dst:d3:97:e5:22:ea:ed,output:2
>     The second flow will disappear when time duration arrival 120s. My
> question is why doesn't the first flow disappear when time arrival 120s ?

I imagine that a controller is deleting it, since neither has a timeout.