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fix: use bbr and improve ping

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Jet 2026-03-15 00:43:39 -07:00
parent 6093c8df1e
commit 332bf7815c
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1 changed files with 17 additions and 0 deletions
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17
configuration.nix
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@ -23,6 +23,23 @@
boot.kernelParams = [ "net.ifnames=0" ];
boot.kernelModules = [ "tcp_bbr" ];
boot.kernel.sysctl = {
# BBR congestion control — reduces latency by basing decisions on
# bandwidth and RTT rather than packet loss
"net.ipv4.tcp_congestion_control" = "bbr";
# fq queue discipline — recommended with BBR for pacing
"net.core.default_qdisc" = "fq";
# Low-latency TCP mode
"net.ipv4.tcp_low_latency" = 1;
# Socket buffer sizes for better throughput
"net.core.rmem_max" = 16777216;
"net.core.wmem_max" = 16777216;
"net.ipv4.tcp_rmem" = "4096 87380 16777216";
"net.ipv4.tcp_wmem" = "4096 87380 16777216";
};
networking.hostName = "compsigh-minecraft";
networking.defaultGateway = "157.230.144.1";
networking.nameservers = [ "67.207.67.3" "67.207.67.2" ];