Kb61
Emulab FAQ: Troubleshooting: I set a non-zero packet-loss (or delay) but 'ping' shows no packet-loss (or delay)
Emulab FAQ: Troubleshooting: I set a non-zero packet-loss (or delay) but 'ping' shows no packet-loss (or delay)
You are probably pinging through the control net interface. See this Troubleshooting entry and the control net section of the tutorial.