ALTQ on carp + pfsync?

Constant, Benjamin bconstant at
Wed Jun 1 01:44:58 PDT 2005

Hello @list,

I've 2 interface (internal em0 and external em1) on a FreeBSD 5.4 (stable)
box acting as a router + traffic shaper.

- Pfsync is using internal interface (don't have 3 nic in the box) to
exchange data.
- ATLQ is enabled on external interface (em1).
- CARP is in use on both interface (in failover mode).

I'm currently using CBQ scheduler for the traffic shaping and as I've no
specific rule for carp and pfsync protocols,
I think this traffic is falling in the default (mandatory) cbq child queue
(which of course doesn't have the biggest priority).

Is there a good way to avoid traffic shaping on carp and pfsync proto?
Do I have to *split* my interface real bandwith in 2? One part for real
traffic shaping and the other part for carp + pfsync?
How do you deal with this? I would be happy to share comments on this...


Benjamin Constant
TI Automotive

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