[GH-ISSUE #2349] feat:add automatic tcp_congestion_control changing #1036

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opened 2026-10-13 20:33:13 +00:00 by bsakaguchi · 0 comments

bsakaguchi commented 2026-10-13 20:33:13 +00:00

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Originally created by @gfffccbb on GitHub (Mar 13, 2026).
Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/2349

so if tcp_congestion_control is cubic, vpn speed reduces DRASTICALLY
executing this fixes it
sudo sysctl -w net.core.default_qdisc=fq
sudo sysctl -w net.ipv4.tcp_congestion_control=bbr
or to do it permanently:
echo -e "net.core.default_qdisc=fq\nnet.ipv4.tcp_congestion_control=bbr" | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

Originally created by @gfffccbb on GitHub (Mar 13, 2026). Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/2349 so if tcp_congestion_control is cubic, vpn speed reduces DRASTICALLY executing this fixes it sudo sysctl -w net.core.default_qdisc=fq sudo sysctl -w net.ipv4.tcp_congestion_control=bbr or to do it permanently: echo -e "net.core.default_qdisc=fq\nnet.ipv4.tcp_congestion_control=bbr" | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

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amnezia-vpn/amnezia-client#1036

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