Media Bandwidth Management Class Configuration; Figure 82 Diffserv: Differentiated Service Field - ZyXEL Communications P-660H-D Series User Manual

DSCP is backward compatible with the three precedence bits in the ToS octet so that non-
DiffServ compliant, ToS-enabled network device will not conflict with the DSCP mapping.

Figure 82 DiffServ: Differentiated Service Field

DSCP
(6-bit)
The DSCP value determines the forwarding behavior, the PHB (Per-Hop Behavior), that each
packet gets across the DiffServ network. Based on the marking rule, different kinds of traffic
can be marked for different priorities of forwarding. Resources can then be allocated
according to the DSCP values and the configured policies.

16.12.2 Media Bandwidth Management Class Configuration

Configure a bandwidth management class in the Class Configuration screen. You must use
the Media Bandwidth Management - Summary screen to enable bandwidth management on
an interface before you can configure classes for that interface.
Refer to Section 16.1 on page 160
To add a child class, click Media Bandwidth Management, then Class Setup. Click the Add
Child-Class button to open the following screen.
Chapter 16 Media Bandwidth Management Advanced Setup
Unused
(2-bit)
for more information.
P-660R/H-D Series User's Guide
170