Hi All, I am using OVS2.7.0 and DPDK 16.11, and testing rate limit function.
I found that if the policing_rate is set very large, say 5Gbps, the rate is limited dramatically to very low value, like 800Mbps. The command is as below: ovs-vsctl set interface port-7zel2so9sg ingress_policing_rate=5000000 ingress_policing_burst=500000 If we set the rate lower than 4Gbps, the rate is limited correctly. Test setup: Sender (DPDK pktGen) sends out about 10Gbps udp packet, with size about 1420 IP size. The rate limit is set on VM vhost-user-client port. Any idea about this issue? Is that known issue? Br, Wang Zhike
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