Cabletron Systems ZX-250 manual Type Number Descriptor Characteristics

Traffic Management Switch Administration

Use the trafficdescriptor commands to view, create, and delete traffic descriptors.

For example, use the show trafficdescriptor command to view all currently defined traffic descriptors.

SmartCell ZX# show trafficdescriptor

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TD# Traff	Desc	QoS	Peak Cell Rate	Sust Cell	Rate	Max Burst Size	Aal
Type	Type		(Kb/s)	(Kb/s)		(Kb/s)	Type
			CLP_0 CLP_0+1	CLP_0 CLP_0+1		CLP_0 CLP_0+1

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2	CBR	2	1	0	100	0	0	0	0	5
6	UBR	11	0	0	100	0	0	0	0	5
7	UBR	11	0	0	0	0	0	0	0	5
176	NRTVBR	2	1	0	1585	0	0	0	0	5

SmartCell ZX#

2p›F You cannot use the default traffic descriptors for user-defined PVCs. All traffic descriptors used to define PVCs must be created by the user.

The Descriptor Type parameter in the example above corresponds to the traffic descriptor types defined in the UNI3.0/UNI3.1 specification. Descriptor types are specified numerically and correspond to the descriptions in Table 4-2.

Table 4-2 Traffic descriptor type number explanation

Type Number	Descriptor Characteristics
1	No Traffic Descriptor
2	Traffic Descriptor with no CLP and no SCR
3	Traffic Descriptor with CLP, no Tagging, and no SCR
4	Traffic Descriptor with CLP, Tagging, and no SCR
5	Traffic Descriptor with no CLP and SCR
6	Traffic Descriptor with CLP, no Tagging, and SCR
7	Traffic Descriptor with CLP, Tagging, and SCR
11	Traffic Descriptor with CLP and best effort

4-18 SmartCell ZX-250 User Guide