doctyper/gist:1411283

Created November 30, 2011 22:11

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Add latency to localhost

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gistfile1.sh

	# enable
	sudo ipfw pipe 1 config bw 50KBytes/s delay 100ms
	sudo ipfw add 1 pipe 1 src-port 80
	sudo ipfw add 2 pipe 1 dst-port 80

	# disable
	sudo ipfw delete 1
	sudo ipfw delete 2

smith commented Dec 1, 2011

If you're on a Mac check out /Developer/Applications/Utilities/Network Link Conditioner/Network Link Conditioner.prefpane

See http://9to5mac.com/2011/08/10/new-in-os-x-lion-network-link-conditioner-utility-lets-you-simulate-internet-and-bandwidth-conditions/

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doctyper commented Dec 1, 2011

Yeah, a potential problem with the NLC is it tries to do too much. I don't need it to drop packets, just to slow down the network. Co-worker was having problems with it earlier, went the command-line route.

smith commented Dec 1, 2011

Cool. Nice hack, but I can totally see myself forgetting to disable it and constantly bitching about wtf is up with our internet here. ;)

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