ZyXEL Communications MSAP2000 manual VC Profile, Aal, Scr

MSAP2000 AAMS User’s Guide

Figure 33 VC Profile

The following table describes the fields in this screen.

Table 19 VC Profile

LABEL	DESCRIPTION
Port Profile	Click Port Profile to configure port profiles and assign them to individual ports.
Alarm Profile	Click Alarm Profile to open the Alarm Profile screen where you can configure
	limits that trigger an alarm when exceeded.
IGMP Filter Profile	Click IGMP Filter Profile to open the IGMP Filter Profile screen where you
	can configure IGMP multicast filter profiles.
Index	This is the number of the VC profile.
Name	This name identifies the VC profile.
Encap	This field displays the profile’s type of encapsulation (llc or vc).
AAL	The MSAP2000 AAMS ADSL ports' PVCs use ATM Adaptation Layer (AAL) 5.
Class	This field displays the type of ATM traffic class: cbr (constant bit rate), vbr (real-
	time variable bit rate), nrt-vbr(non-real time variable bit rate) or ubr (unspecified
	bit rate).
PCR	This is the Peak Cell Rate (PCR), the maximum rate at which the sender can send
	cells.
CDVT	This field displays the accepted tolerance of the difference between a
	cell’s transfer delay and the expected transfer delay.
SCR	The Sustained Cell Rate (SCR) sets the average cell rate (long-term) that can
	be transmitted. SCR applies with the vbr traffic class.
	Minimum Cell Rate (MCR) is the minimum rate at which the sender can send cells.
BT	Burst Tolerance (BT) is the maximum number of cells that the port is guaranteed to
	handle without any discards. BT applies with the vbr traffic class.
Modify	Select a VC profile’s Select radio button and click Modify to edit the VC profile.
Delete	Select a VC profile’s Select radio button and click Delete to remove the VC profile.

The rest of the screen is for PVC configuration.

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