Why tcp_tw_recycle is not available at RHEL8?

Solution Verified - Updated -

Issue

  • When enabling tcp_tw_recycle, sysctl raise error
# sysctl -w net.ipv4.tcp_tw_recycle=1
sysctl: cannot stat /proc/sys/net/ipv4/tcp_tw_recycle: No such file or directory

Environment

  • Red Hat Enterprise Linux 8

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