IP DSCP across the Internet

Charles Wyble charles at thefnf.org
Thu May 7 03:14:39 UTC 2015

I presume nothing is honored. I just encapsulate everything if I'm crossing networks outside my corporate WAN.

Amazing how handy openvpn with no crypto is. :)  

-----Original Message-----
From: "Mark Tinka" <mark.tinka at seacom.mu>
Sent: ‎5/‎6/‎2015 12:39 AM
To: "Ramy Hashish" <ramy.ihashish at gmail.com>; "nanog at nanog.org" <nanog at nanog.org>
Subject: Re: IP DSCP across the Internet

On 5/May/15 12:27, Ramy Hashish wrote:
> Good day all,
> A simple question, does Internet trust IP DSCP marking? Assume two ASs
> connected through two tier 1 networks, will the tier one networks trust any
> DSCP markings done from an AS to the other?

I wouldn't bet on it.

Some providers honor, most remark. We remark.

We can only honor DSCP values on private circuits (l2vpn, l3vpn, that
sort o' thing).



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