gem5/configs/boot/nat-netperf-server.rcS

#!/bin/sh
SERVER=192.168.0.1
CLIENT=10.0.0.2
NATBOX=192.168.0.2

echo "setting up network..."
ifconfig lo 127.0.0.1
ifconfig eth0 $SERVER txqueuelen 1000

echo "0" > /proc/sys/net/ipv4/tcp_timestamps
echo "0" > /proc/sys/net/ipv4/tcp_sack
echo "1" > /proc/sys/net/ipv4/tcp_vegas_cong_avoid
echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_rmem
echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_wmem
echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_mem
echo "262143" > /proc/sys/net/core/rmem_max
echo "262143" > /proc/sys/net/core/wmem_max
echo "262143" > /proc/sys/net/core/rmem_default
echo "262143" > /proc/sys/net/core/wmem_default
echo "262143" > /proc/sys/net/core/optmem_max
echo "100000" > /proc/sys/net/core/netdev_max_backlog

echo "running netserver..."
/benchmarks/netperf-bin/netserver

echo -n "signal natbox to begin..."
sleep 5
echo "server ready" | netcat -c $NATBOX 8000
echo "done."

echo "starting bash..."
exec /bin/bash