netem provides Network Emulation functionality for testing protocols by emulating the properties of wide area networks. The current version emulates variable delay, loss, duplication and re-ordering. If you run a current 2.6 distribution, Bridge commands: # ifconfig eth0 0.0.0.0 # ifconfig eth1 0.0.0.0 # brctl addbr mybridge # brctl addif mybridge eth0Bridge commands # ifconfig eth0 0.0.0.0 # ifconfig eth1 0.0.0.0 # brctl addbr mybridge # brctl addif mybridge eth0 # brctl addif mybridge eth1 # ifconfig mybridge up # tc qdisc add dev eth0 root netem delay 100ms # tc qdisc change dev eth0 root netem delay 100ms 10ms # brctl addif mybridge eth1 # ifconfig mybridge up # tc qdisc add dev eth0 root netem delay 100ms # tc qdisc change dev eth0 root netem delay 100ms 10ms
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