Instruction manual

61200780L1-1C © 2004 ADTRAN, Inc. 229
ATLAS 800 Series System Manual Packet Manager
Packet Endpnts
Sublinks - Frame
Relay
Contains the configuration parameters for individual sublinks, or PVCs. The
following parameters are available.
Name User-definable name for the DLCI.
DLCI Local address for each PVC as assigned by the carrier.
QOS Quality of service. These values can be used to assign a guaranteed
amount of bandwidth available for this connection. The sum of all
QOS values for the sublink should not exceed the Committed
Information Rate (CIR).
Burst Sets the burst rate used by this virtual circuit for data traffic. A
value of zero means that the burst rate is not limited. The value is in
kilobits/second. If voice traffic is flowing on ANY sublink on the
port carrying THIS sublink, you should enter a value for this
setting. Otherwise, leave this field set to default (zero). If the
service provider has supplied a 'Be' value, enter that value in this
field. The burst rate defines the amount that this virtual circuit is
allowed to exceed the CIR. If the service provider has not supplied
an excess burst rate, enter the wire speed in this field.
Config Allows configuration of parameters for each DLCI. See also Table
8 on page 229.
Usage
Read security: 5
This field displays a 7-character summary of the references to this link. Each
position is populated with a dash (-) or a character indicating the resource
represented. The characters are as follows:
1 Packet connection in the first dedicated map
2 Packet connection in the second dedicated map
3 Packet connection in the third dedicated map
4 Packet connection in the fourth dedicated map
5 Packet connection in the fifth dedicated map
– Reserved and currently not is use
s Used as a Packet Endpoint in the switched dial plan
u Used by one or more packet switch connections or packet voice entries
Table 8. DLCI Configuration Parameters
Submenu Description
Fragmentation
Threshold
Max packet size allowed on this PVC. A zero value disables fragmentation.
Fragmentation is used to improve the quality of voice transmission. A good value is
R/300, where R is the smallest of the ATLAS 830 link rates or the far end link rate in
bits per second. For example, if a DLCI comes from an FSU 5622 running on a 56K
DDS line and is delivered to the ATLAS 830 on a full T1, the lower rate is 56000 and
the value is 186 or 187. Entered values between 1 and 127 are adjusted upward.
Config
Submenus
Description (Continued)