On Thu, Jun 20, 2013 at 03:23:28PM -0700, Dave Taht wrote: > Is there a way to extract the RTT from the babel monitoring ability? > or some other means (sounds like a wireshark decoder is in order)
Sure, the averaged RTT is available both on the local interface and on
the dump generated by babeld (when a SIGUSR1 is received).
If you want access to RTT samples, you can use the debug flag ("-d 2").
I suggest to grep for the string "RTT" in this case.
There is indeed a tcpdump decoder for Babel (thanks to Pilot), but it
does not yet know about this extension. I'll probably implement it at
some point.
> one side effect of fq_codel I'm aware of is that the first packet in a
> stream will tend to be delivered faster than the second and
> succeeding, due to the "sparse stream" optimization.
Does it apply to multicast packets?
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