On Fri, Dec 18, 2015 at 12:25 PM, Piyush R Srivastava1 <[email protected]> wrote:
> Hi Jesse, > > Yeah that was the tcpdump for ingress port. > Kindly find the tcpdump for egress port in namespace as well- > > > [root@rhel7-23 ~]# ip netns exec > qrouter-223d91ae-3025-4070-83d0-63faa58d819b tcpdump -ennqi qg-ab10ec1d-2b > -c 30 host 1.1.1.34 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on qg-ab10ec1d-2b, link-type EN10MB (Ethernet), capture size > 65535 bytes > This has the same name as the interface as you showed before, so I'm not sure which is right. However, I would look at each interface in the path and try to pinpoint where TSO stops occurring. There's not much more that I can suggest. > > Both the egress port of Namespace and physical NIC for external network > (eth1) are mapped to BR-EX, however, BR-EX has 1500 MTU. > Do you think that is affecting, even with TSO ON for eth1? > The MTU should not matter if TSO is set. However, TSO needs to be set on all interfaces, not just the egress Ethernet interface.
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