sysctl - ArchWiki

4.1.3Increase the memory dedicated to the network interfaces

[n-sega]

sysctl is a tool for examining and changing kernel parameters at runtime (package procps-ng in official repositories). sysctl is implemented in procfs, the virtual process file system at /proc/.

[mogwaing]

This may cause dropped frames with load-balancing and NATs, only use this for a server that communicates only over your local network. net.ipv4.tcp_tw_reuse, net.ipv4.tcp_tw_recycle