Ip Dscp Mapping - Hirschmann RS20 Reference Manual

QoS/Priority

6.4 IP DSCP mapping

The IP DSCP mapping table allows you to assign a traffic class to every
DSCP value.
Enter the desired value from 0 to 3 in the Traffic Class field for every
DSCP value (0-63).
Figure 26: IP DSCP mapping table
The different DSCP values get the device to employ a different forwarding
behavior, the Per-Hop Behavior (PHB).
PHB classes:
Class Selector (CS0-CS7): For reasons of compatibility to TOS/IP prece-
dence
Expedited Forwarding (EF): Premium service. Reduced delay, jitter +
packet loss (RFC 2598)
66
6.4 IP DSCP mapping
RM Web L2B
Release 4.2 07/08