OSEC

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setting dscp or tos bits

From: David Newman (dnewmannetworktest.com)
Date: Tue Aug 21 2007 - 14:33:46 CDT


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I'm setting up ALTQ and hfsc to prioritize VoIP traffic. The pf.conf(5)
 says pf uses TOS values to assign packets to queues.

Question: Can OpenBSD and/or pf itself set TOS and/or DSCP values?

Only some of my VoIP gear does DSCP marking.

Also, I noticed today that Google marks all their stuff with a DSCP of
0x38 (high throughput, low delay). Nice trick, but also an excellent
argument for re-marking capability in all routers.

Is marking/re-marking supported, and if so how?

thanks

dn
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fPyu9fhGY+5DcWgTJiy60tQ=
=j+kp
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