I'm using PF with a lot of HFSC queues in an OpenBSD 4.0 i386 firewall.
A few times (I presume during high traffic) it happened that the traffic
through the firewall freezed for a few minutes. When this happened, if I
tried to ping from the firewall I got a "No buffer space available" error.
Now, that same symptoms appear a couple of seconds after I try to add a
new level in the HFSC tree of queues. Please note that it is NOT related
to the ABSOLUTE NUMBER of queues (I tried to remove some), but maybe to
the nesting deep.
What could be the limit?
Is there some kind of buffer limit that I can increase?
Thanks.
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|ederico Giannici http://www.neomedia.it
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