STM SatLink VSAT - Page 77

SatLink VSAT User Guide
Publication no. 101557
Rev 14.1.1-2
Copyright 2006-2012 – STM Group, Inc.
Page 76 (182)
The QoS Groups available for internal use in the VSAT are:
QoS Group ID
QoS Group Name
0
Best Effort
1
VoIP Audio
2
VoIP Signaling
3
ViC Video
4
ViC Audio
5
ViC Signaling
6
Critical Data (CD)
In addition, the classification table can be configured to block traffic from being sent to the Return Link
(see section 18.4).
Factory default configuration is that the QoS module of the classification table is empty, and all traffic is
handled as Best Effort (QoS Group 0). A user with privilege rights 2 (user install or equivalent) can
configure a QoS entry in the Classification table in the VSAT as explained below, but the use of QoS
groups other than 0 can be inhibited by the network operator/service provider. Please contact the network
operator/service provider for use of QoS group 1-6 for VoIP and Video real-time traffic and prioritized
effort traffic (CD). Please note that QoS Groups 3-6 for Video and Critical Data will only be available on
the SatLink 1000, 1900, 1901, 2000, and 2900 if the software license for 4 QoS classes is configured (see
section 18.3).
The CLI command to be used to configure a QoS entry in the Classification table is ip mfc mask
<module id> <subindex> <index> <group> <list of tags> with module ID set to 0 (QoS).
This command has a variable length where one or more tags with different tag parameters can be set. The
tags are the different IP header parameters that can be used for QoS classification:
Tag and Tags Parameters for CLI command
Function
+src <ipaddr> <mask>
Define or modify IP source address and netmask
-src
Delete IP source address and netmask
+dst <ipaddr> <mask>
Define or modify IP destination address and
netmask
-dst
Delete IP destination address and netmask
+ dscp <dscp-start> <dscp-stop>
Define or modify DSCP range
-dscp
Delete DSCP range
+prot <n> <p1> … <pn>
Define protocol value [0,255]. Up to 3 protocol
values can be defined (n can be 1, 2, or 3).
-prot
Delete protocol values
+sport <sport-start> <sport-stop>
Define TCP/UDP source port number range
-sport
Delete TCP/UDP source port number range
+dport <dport-start> <dport-stop>
Define TCP/UDP destination port number range
-dport
Delete TCP/UDP destination port number range
+dscpmark <dscp>
Define DSCP value to set in IP header
-dscpmark
Delete DSCP value to set in IP header — i.e., do
not change the DSCP value
-all
All filter masks. Used to delete an entry.
To view the current QoS configuration, use the CLI command ip qos show or ip mfc show.