> So, are you still sure you've tested such a case?
Well, the problem that triggered my investigation was
that the OLSR daemon (www.olsr.org) calculates the quality
of a link according to the packet loss for LQ HELLO packets
(UDP broadcast packets). To prevent other traffic from
interfering with the LQ calculation, olsrd sends the HELLO
packets with a TOS value of 0x10 (minimize delay). This
should give them the highest priority.
What I saw was a degrading Link quality with more user traffic
over a link. The LQ fell so far that olsrd judged the other host
unreachable and deleted the routing entry. The user traffic in
question was iperf (TOS value 0x00).
The OLSR traffic was obviously generated locally (not forwarded).
You claim, that the TOS value for locally generated traffic does
not influence its priority?
Now I THINK that I did my tests both, for forwarded and for
local traffic, but I'll redo my tests to make sure.
--
Regards and thanks for taking an interest
Joerg
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