Tag: QoS

DSCP Assured Forwarding PHB

Filed in QoS by on March 22, 2006 0 Comments
DSCP Assured Forwarding PHB

RFC 2597 defines a group of DSCP settings called “Assured Forwarding” Per Hop Behavior (PHB) to be recognized by RFC compliant DSCP routers and switches called DS nodes. The Assured Forwarding PHB class is presented as AF(xy), where x=traffic class, and y=drop precedence. 4 traffic classes, and 3 drop precedences are defined. For example, AF21 […]

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