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setting dscp or tos bits

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From: David Newman <dnewman@...>
To: OpenBSD <misc@...>
Subject: setting dscp or tos bits
Date: Tuesday, August 21, 2007 - 3:33 pm

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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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=j+kp

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Messages in current thread:
setting dscp or tos bits, David Newman, (Tue Aug 21, 3:33 pm)
Re: setting dscp or tos bits, Henning Brauer, (Wed Aug 22, 8:22 am)
Re: setting dscp or tos bits, David Newman, (Wed Aug 22, 7:24 pm)
Re: setting dscp or tos bits, Henning Brauer, (Thu Aug 23, 4:26 am)
Re: setting dscp or tos bits, David Newman, (Thu Aug 23, 1:38 pm)
Re: setting dscp or tos bits, Henning Brauer, (Thu Aug 23, 2:53 pm)
Re: setting dscp or tos bits , Theo de Raadt, (Thu Aug 23, 1:59 pm)
Re: setting dscp or tos bits, Stuart Henderson, (Thu Aug 23, 2:33 pm)
Re: setting dscp or tos bits, Stuart Henderson, (Thu Aug 23, 5:27 am)
Re: setting dscp or tos bits, Nick Guenther, (Wed Aug 22, 8:51 pm)
Re: setting dscp or tos bits, Henning Brauer, (Thu Aug 23, 4:28 am)
Re: setting dscp or tos bits, Chris Cappuccio, (Tue Aug 21, 10:31 pm)
Re: setting dscp or tos bits, David Newman, (Wed Aug 22, 7:12 pm)