[LEDE-DEV] A state of network acceleration / test on Archer C7 v4

[Michael Richardson]

Laurent GUERBY <laurent at guerby.net> wrote:
    > I tested today a few things on a brand new TP-Link Archer C7 v4.0,
    > LAN client Dell Latitude 7480 (eth I219-LM, wifi 8265 / 8275)
    > WAN server NUC5i3RYB (eth I218-V), NAT between them, <1 ms latency
    > (everything on the same table), IPv4 unless specified,
    > using iperf3 LAN=>WAN and -R for WAN=>LAN (both TCP).

    > With the TP-Link firmware:
    > - wired 930+ Mbit/s both ways
    > - wireless 5G 560+ Mbit/s down 440+ Mbit/s up
    > - wireless 2.4G 100+ Mbit/s both ways

    > With OpenWRT/LEDE trunk 20180128 4.4 kernel:
    > - wired 350-400 Mbit/s both ways
    > - wired with firewall deactivated 550 Mbit/s
    > (just "iptables -t nat -A POSTROUTING -j MASQUERADE")

That still means you have conn-tracking loaded.
Have you tried without that?

    > - wired IPv6 routing, no NAT, no firewall 250 Mbit/s
    > - wireless 5G 150-200 Mbit/s
    > - wireless 2.4G forgot to test

Does the TP-Link firmware support any IPv6?
You could report 0Mb/s for IPv6 :-)

    > IPv6 performance without NAT being below IPv4 with NAT seems
    > to indicate there are potential gains in software :).

Depends upon whether there is hardware support for NAT,
which many devices have, wrapped up under NDAs.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr at sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [

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