2-65
User Guide for the Cisco Network Analysis Module (NAM) Traffic Analyzer, 5.0
OL-22617-01
Chapter 2 Setting Up The NAM Traffic Analyzer
Network
These topics help you set up and manage the DSCP groups:
• Creating a DSCP Group, page 2-64
• Editing a DSCP Group, page 2-66
• Deleting a DSCP Group, page 2-66
Creating a DSCP Group
To create a DSCP Group:
Step 1 Choose Setup > Network > DSCP Groups.
The DSCP Groups table displays.
Step 2 Click the Create button.
The DSCP Group Configuration window displays.
Step 3 Fill in the fields as described in Table 2-31, DSCP Group Setup Dialog Box.
Table 2-32, DSCP Group Label Formats shows the available formats and associated values.
Tab l e 2-31 DSCP Group Setup Dialog Box
Field Description Usage Notes
Name Name of the profile. Enter the name of the profile you are creating. The maximum is 64
characters.
Label Format DSCP DSCP numbers from 0 to 63. After selecting the DSCP radio button,
you can freely choose any of the 64 possible values and assign them
to Groups.
AF / EF / CS Assured Forwarding (AF) guarantees a certain amount of bandwidth
to an AF class and allows access to extra bandwidth,
Expedited Forwarding (EF) is used for traffic that is very sensitive
to delay, loss and jitter, such as voice or video traffic.
Class Selector (CS) the last 3 bits of the 6-bit DSCP field, so these
correspond to DSCP 0 through DSCP 7.
Bit Field Six bits in the IP header of a packet. See Tabl e 2-32.
Tab l e 2-32 DSCP Group Label Formats
DSCP Format (DSCP 0
through DSCP 63) AF/EF/CS Format Bit Field Format
DSCP 0 -000000
DSCP 8 CS1 001000
DSCP 10 AF11 001010
DSCP 12 AF12 001100
DSCP 14 AF13 001110
DSCP 16 CS2 010000