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Configure a Linux network interface to emulate low-bandwidth WAN connection
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| #!/bin/sh | |
| # clear the previous discipline | |
| tc qdisc del dev eth1 root | |
| # latency 200ms with 20ms variation | |
| # optional: loss 0.1% | |
| tc qdisc add dev eth1 root handle 1:0 netem delay 200ms 20ms | |
| # 256kbit bandwidth | |
| # mtu parameter is very important; http://timesinker.blogspot.com.ar/2011/02/using-linux-tbf-qdisc-for-rate-limiting.html | |
| # 12k for external interfaces, 100k for loopback | |
| tc qdisc add dev eth1 parent 1:1 handle 10: tbf rate 256kbit burst 10kb latency 8ms mtu 12000 |
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