On 8/27/2018 6:20 AM, Zhang, Jing C. (Nokia - CA/Ottawa) wrote:
We have customers reporting sluggish HTTP download with OVS 2.9.0.
After debugging, we find the issue is OVS 2.9.0 native firewall drops
TCP control packets (TCP ACK) with empty payload. The issue can be
avoided by either reverting back to the legacy Linux bridge firewall
or enabling TCP timestamp at both HTTP server and client sides.
$ ovs-vswitchd --version
ovs-vswitchd (Open vSwitch) 2.9.0
DPDK 17.11.0
openvswitch-2.9.0-3.el7.x86_64
While I'm setting up to reproduce this could you let me know if this is
something that just started happening
on a system without any changes to the underlying system configuration
or operating system? Or was there
a recent upgrade of the kernel or OVS?
What is the output of uname -a?
Thanks,
- Greg
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