Avaya M770 manual Creating a UBR traffic descriptor, Creating a VBR traffic descriptor, 1st Method

Chapter 8 Permanent Virtual Connections (PVCs and PVPs)

Creating a UBR traffic descriptor

To create a UBR traffic descriptor, use the td setup UBR command.

Command:	M15-155s8:/>td	setup	UBR	<td_id>
Example:	M15-155s8:/>td	setup	UBR	1
Parameter:	<td_id> An unique identifier for this traffic descriptor.

Creating a VBR traffic descriptor

There are three types of VBR traffic descriptors that can be created.

To create a VBR traffic descriptor, use one of the three methods described in this section, use the td setup VBR command:

1st Method

Command:	M15-155s8:/>td setup VBR <td_id> pcr0+1=<pcr0+1> [pcr0=<pcr0>]
Example:	M15-155s8:/>td setup VBR 3 pcr0+1=64000 pcr0=48000
Parameters:	<td_id>	An unique identifier for this traffic descriptor.
	<pcr0+1>	The combined PCR for all cells regardless of whether the CLP bit is
		set in the ATM cell header.
	<pcr0>	An optional PCR for cells where the CLP bit is not set in the ATM
		cell header. This PCR must be less than, or equal to, the combined
		PCR.
2nd Method
Command:	M15-155s8:/>td setup VBR <td_id> pcr0+1=<pcr0+1>
	scr0+1=<scr0+1> mbs0+1=<mbs0+1>
Example:	M15-155s8:/>td setup VBR 4 pcr0+1=128000 scr0+1=64000 mbs0+1=1000
Parameters:	<td_id>	An unique identifier for this traffic descriptor.
	<pcr0+1>	The combined PCR for all cells regardless of whether the CLP bit is
		set in the ATM cell header.
	<scr0+1>	The SCR for all cells regardless of whether the CLP bit is set in the
		ATM cell header.
	<mbs0+1>	The MBS for all cells regardless of whether the CLP bit is set in the
		ATM cell header.

3rd Method

Command: M15-155s8:/>td setup VBR <td_id> pcr0+1=<pcr0+1> scr0=<scr0> mbs0=<mbs0>

Example: M15-155s8:/>td setup VBR 4 pcr0+1=128000 scr0=48000 mbs0=800

114 Avaya M770 ATM Switch User’s Guide