Create bdp.sh

bdp.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+Bandwidth="${1:-1000}"   # MB
+RTT="${2:-60}"           # ms
+BDP=`echo "${Bandwidth} ${RTT}" |awk '{printf "%d", ($1 * $2) * ((1024 * 1024) / (1000 * 8))}' 2>/dev/null`
+[ -n "$BDP" ] && [ "$BDP" -gt 0 ] || exit 1
+
+sysctl -w net.core.rmem_max="${BDP}"
+sysctl -w net.core.wmem_max="${BDP}"
+sysctl -w net.ipv4.tcp_rmem="4096 87380 ${BDP}"
+sysctl -w net.ipv4.tcp_wmem="4096 16384 ${BDP}"
+sysctl -w net.ipv4.tcp_window_scaling=1
+sysctl -w net.ipv4.route.flush=1