Thanks, Tore! I would like to add the following:
> $ modprobe jool > $ modprobe jool_siit Are you sure that this is what you want? I'm not sure why you would want to insert both modules in the same namespace. One is a SIIT and the other one is a NAT64. Particularly if you're performance-testing, I'd normally expect you to test one *or* the other. On Thu, Jul 12, 2018 at 2:09 AM Tore Anderson <[email protected]> wrote: > > * [email protected] > > > I’ve installed Jool kernel modules and userspace application on Ubuntu. > > jool_siit is running in a network namespace and I’m using veth pairs for > > network I/O. Please find attached details of my test environment. > > > > However, while running the TCP throughput test, I was able to achieve only > > 6Mbps of throughput. I’ve tested it by doing both *GRO on and off* on all > > the relevant interfaces with no performance improvements. > > > > We are evaluating Jool for carrier grade NAT64 in our network > > infrastructure. > > > > I was wondering if you can help me to improve performance results. Is there > > any tweaks or workarounds to overcome the performance limitation by Jool. > > Hi Muhammad, > > First off, you're definitively not hitting the performance limit of Jool - it > easily scales to multiple Gb/s of throughput. There must be something else > that is causing your issues. > > Even though you said you turned GRO off, my suspicion would be something with > packet sizes. Are there other offload settings you can turn off? MTU settings > on all the interfaces are all okay? > > Also, check with tcpdump on all the relevant interfaces to see if the test > traffic is causing lots of ICMP Frag Needed/Packet Too Big errors. > > Tore > _______________________________________________ > Jool-list mailing list > [email protected] > https://mail-lists.nic.mx/listas/listinfo/jool-list _______________________________________________ Jool-list mailing list [email protected] https://mail-lists.nic.mx/listas/listinfo/jool-list
