Posted on by Jared

Simulate dropped or latent packets in Linux

I’m documenting this more for my own reference than anything, partly because I’ve used ‘tc’ off and on over the years.

  • https://stackoverflow.com/questions/614795/simulate-delayed-and-dropped-packets-on-linux
  • https://wiki.linuxfoundation.org/networking/netem

    
tc qdisc add dev tun0 root netem loss 30%
tc qdisc show dev tun0
tc qdisc change dev tun0 root netem loss 0.1%

    When finished:

    tc qdisc del dev tun0 root