AIS AI2524 Configure Frame Relay Traffic Shaping, For more information, refer to the ITU-T Q.922

Chapter 13: AI2524 Frame Relay Configuration Steps

Configure Frame

Relay Traffic

Shaping

By default, the Frame Reject frame is sent at the LAPF Frame Reject procedure.

Note:	Manipulation of Layer 2 parameters is not recommended
	if you do not know well the resulting functional change.
	For more information, refer to the ITU-T Q.922
	specification for LAPF.

If you must change Layer 2 parameters for your network environment and if you know the resulting functional change, complete these tasks as needed:

zSet the LAPF window size k. frame-relay lapf k number

zSet the LAPF maximum retransmission count N200. frame-relay lapf n200 retries

zSet the maximum length of the Information field of the LAPF I frame N201.

frame-relay lapf n201 number

zSet the LAPF retransmission timer value T200. frame-relay lapf t200 tenths-of-a-second

zSet the LAPF link idle timer value T203 of DLCI 0. frame-relay lapf t203 seconds

Beginning with Release 11.2, AI2524 supports Frame Relay traffic shaping, which provides:

z Rate enforcement on a per-virtual circuit basis—The peak rate for outbound traffic can be set to the CIR or some other user-config ured rate.

zDynamic traffic throttling on a per-virtual circuit basis—When BECN packets indicate congestion on the network, the outbound traffic rate is automatically stepped down; when congestion eases, the outbound traffic rate is stepped up again. This feature is en- abled by default.

zEnhanced queuing support on a per-virtual circuit basis—Either custom queuing or priority queuing can be configured for individ- ual virtual circuits.

August 1997	Page 13-13
2524UM