Comtech EF Data CDM-840, Installation And Operation Manual, Page: 73 / 110

CDM-840 Remote Router Revision 0
Ethernet Management MN-CDM840
5–27
For the “Min/Max” page:
From left to right, note the following:
•
Protocol – Use the drop-down menu to select the Protocol as UDP , TCP , ICMP , RTP ,
VOICE , VIDEO , RTPS , FTP , HTTP , TELNET , SMTP , SNMP , All-IP , Non-IP , or
All.
•
Src IP/Mask – Enter a Source IP Address/Mask in the form XXX.XXX.XXX.XXX/YY.
•
Dest IP/Mask – Enter a Destination IP Address/Mask in the form XXX.XXX.XXX.XXX/YY.
•
Min Src Port / Max Src Port / Min Dst Port / Max Dst Port – Selection of
Source/Destination Ports should only be done if the user is aware of the port usage of the
desired protocol or application. There are well-known ports for various protocols, but
often only the ‘command’ messaging is transacted on these ports and the ‘data’ is
transferred through a negotiated port.
•
Min BW (Kbps) (“Min/Max” page only) / Max BW (Kbps) – These can be assigned to
a flow to restrict the Minimum/Maximum Bandwidth that any particular flow will utilize;
otherwise, the default of no bandwidth restriction can be selected.
•
Priority (“Max/Priority” page only) – Use the drop-down menu to assign a Priority level
from 1 to 8 for each flow:
o
The IP Module classifies each packet that is to be forwarded over the satellite; the
packet then has a Priority assigned according to the defined QoS Rules;
o
Any latency critical traffic such as VoIP/RTP should always be assigned Priority 1;
o
Priority 1 packets are forwarded immediately; Priority 2 packets are forwarded as
soon as there are no Priority 1 packets in the Queue; and so on;
o
Any packet that does not meet a QoS Rule is assigned to the Default Rule and is
assigned a Priority of 9.
•
WRED – Use the drop-down menu to set WRED (Weighted Random Early Detection)
as Disable or Enable .
•
Filter All – Use the drop-down menu to set Filter All to Disable or Enable . QoS allows
specific flows to be designated as ‘filtered’ so the IP Packet Processor card will discard
traffic that the user does not want to forward over a satellite link.
Click [Add Route] once all changes have been made to this section for either page.
Delete Rule
This section is identical for both the “Max/Priority” and “Min/Max” pages. Enter Rule to
Delete
, then click [Delete Rule] once all changes have been made to this section. The specified
route entry will then be deleted from the route table.