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CDM-425 Advanced Satellite Modem
Revision 0
DiffServ Mode
Appendix M. QUALITY of SERVICE (QoS)
QoS can be set to DiffServ Mode to make it fully compliant to the Differentiated Services QoS
RFC (Request For Comments) standards. See Appendix M. QUALITY of SERVICE (QoS),
Sect. P.3.3.2 Layer 3 QoS List of Supported RFCs (Requests for Comment).
Figure 7-26. Configuration | WAN | QoS Page (DiffServ Mode)
Segmentation and Reassembly (SAR)
This section is identical for the "Max/Priority," "Min/Max," and "DiffServ" pages.
Packet Segmentation and Reassembly (SAR) is an adaptive process; it will trigger only if the
packet latency exceeds the threshold value (default to 25 msec). SAR is needed, when
running small-speed (<700 kbps) links, to keep latency and jitter within specifications (25
msec latency/10 msec jitter) when the lower priority queue contains large packets.
Use the drop-down list to select SAR as Disable or Enable.
Click [Submit] to save.
Ethernet-based Remote Product Management
7–53
MN-CDM-425
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