On Wed, 4 Mar 2015, dpreed at reed.com wrote: > DSCP should not be changed en route, so the receiver of the echo reply > should be able to know what DSCP was used on the reply packet. Changing the DSCP bits by the ISP is definitely not unheard of, so don't count on it. -- Mikael Abrahamsson email: swmike at swm.pp.se