Tunning Network Stacks on OS X

0

launch Terminal.app

type 

# sudo nano /etc/sysctl.conf >[enter]

#

#

# Tuning network for broadband

#

# START

kern.ipc.maxsockbuf=4194304

kern.ipc.somaxconn=2048

kern.ipc.nmbclusters=2048

net.inet.tcp.rfc1323=1

net.inet.tcp.win_scale_factor=4

net.inet.tcp.sockthreshold=16

net.inet.tcp.sendspace=1042560

net.inet.tcp.recvspace=1042560

net.inet.tcp.mssdflt=1448

net.inet.tcp.v6mssdflt=1428

net.inet.tcp.msl=15000

net.inet.tcp.always_keepalive=0

net.inet.tcp.delayed_ack=3

net.inet.tcp.slowstart_flightsize=20

net.inet.tcp.local_slowstart_flightsize=20

net.inet.tcp.blackhole=2

net.inet.udp.blackhole=1

net.inet.icmp.icmplim=50

# END

(ctrl+X) > [enter]

sudo shutdown -r now

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