# GGSN DiffServ Code Point Map Table

Use this dialog view Per Hop Behaviour (PHB) group mapping to Diff Server Code Point (DSCP).

## Procedure

In the Chassis view, right-click the device and select Configure from the popup menu.

The following information appears:

> PHB Values (cggsnQosDiffServPhb)

> Dscp Values for PHB (cggsnQosDscp)

### PHB Values (cggsnQosDiffServPhb)

Denotes the various possible values of PHB.

The value can be any one of the following:

- signallingClass(1) - Signalling class

- efClass(2) - Expedited forwarding class

- afClass1Low(3) - Assured forwarding class 1 with low drop precedence

- afClass1Medium(4) - Assured forwarding class 1 with medium drop precedence

- afClass1High(5) - Assured forwarding class 1 with high drop precedence

- afClass2Low(6) - Assured forwarding class 2 with low drop precedence

- afClass2Medium(7) - Assured forwarding class 2 with medium drop precedence

- afClass2High(8) - Assured forwarding class 2 with high drop precedence

- afClass3Low(9) - Assured forwarding class 3 with low drop precedence

- afClass3Medium(10) - Assured forwarding class 3 with medium drop precedence

- afClass3High(11) - Assured forwarding class 3 with high drop precedence

- afClass4Low(12) - Assured forwarding class 4 with low drop precedence

- afClass4Medium(13) - Assured forwarding class 4 with medium drop precedence

- afClass4High(14) - Assured forwarding class 4 with high drop precedence

- bestEffort(15) - Best effort class

### Dscp Values for PHB (cggsnQosDscp)

DSCP of PHB defined by cggsnQosDiffServPhb.

The values recommended for the various values of cggsnQosDiffServPhb are:

signallingClass - 101000

efClass - 101110

afClass1Low - 001010

afClass1Medium - 001100

afClass1High - 001110

afClass2Low - 010010

afClass2Medium - 010100

afClass2High - 010110

afClass3Low - 011010

afClass3Medium - 011100

afClass3High - 011110

afClass4Low - 100010

afClass4Medium - 100100

afClass4High - 100110

bestEffort - 000000