Hi,
Good morning. 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. Below are the details of my environment. Any help would be greatly appreciated. Thanks Muhammad Ali #Install the dependencies: #Your kernel headers (version 3.2.0+) $ apt-get install linux-headers-$(uname -r) $ apt-get install libnl-genl-3-dev unzip pkg-config # Installing the modules using Dynamic Kernel Module Support (DKMS): # Ensure the DKMS framework is installed: $ apt-get install dkms # Download Jool zip file $ wget <https://github.com/NICMx/releases/raw/master/Jool/Jool-3.5.7.zip> https://github.com/NICMx/releases/raw/master/Jool/Jool-3.5.7.zip $ unzip Jool-3.5.7.zip #Install using DKMS $ dkms install /path/to/Jool #Install user space application $ ./configure $ make $ make install # Go to the network nasmespace and load kernel modules $ ip netns exec nsJool bash $ sysctl -w net.ipv4.conf.all.forwarding=1 $ sysctl -w net.ipv6.conf.all.forwarding=1 $ modprobe jool $ modprobe jool_siit $ jool_siit --eamt --add 172.17.1.2 2001:db8::c60a:a03 $ jool_siit --eamt --add 198.10.10.2 2001:db8::c60a:a02 iperf -V -B 2001:db8::c60a:a02 -s (IPv6 NS) iperf -B 172.17.1.2 -c 198.10.10.2 -i 1 -t 30 (IPv4 NS)
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