Hi, On Sat, Feb 12, 2022 at 06:22:41PM +0100, Bo Berglund wrote: > Connection LAN-LAN: > Home LAN: ASUS RT-AC86U router > Remote LAN: ASUS RT-AC68U router > Remote router connects by OpenVPN to home OpenVPN server and the system has > been [..] > Erlier tests with the server and client on the same LAN showed speed maxing > out > in the hundreds of Mbit/s. So the bottleneck seems to be OpenVPN.
From what I could find, this router has a dual-core ARM CPU with 800 MHz,
which is just not very fast. For "regular packets" this is fast enough
(it might have hardware that helps with "normal routing") but if doing
crypto, I'm not sure how much you can achieve.
If OpenVPN is new enough, going for "--cipher CHACHA20-POLY1305" might
help, as this can be accelerated nicely on (modern) ARM CPUs, while
the default 2.4+ cipher (AES-256-GCM) is only hardware-accelerated on
Intel CPUs with AES-NI instruction.
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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