Hi,
I need to simulate (with a certain degree of control) common WAN
problems like packet loss/duplication, delay and conditions of limited
bandwidth. I found that NISTNet is what i need, but it seems the package
has not been updated since October, 2000.
This is not really a problem as I found NISTNet runs perfectly with
Linux kernels up to 2.4.23 (officially 2.4.18 is the latest mentioned in
documentation).
What then am I complaining about ? Well, it seems that NISTNet is
intercepting IP packets before the conntrack can do its job in the
PREROUTING phase. So if you are doing SNAT or DNAT on the same machine
where NISTNet is running, you can not use the de-NATed IP addresses to
build rules.
I certainly can find solution to this problem by altering my test topology
and tweaking a little bit network configuration, but still the question
remains: Is there any fresh substitute for what NISTNet does ?
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