Comtech EF Data CDM-625 Installation And Operation Manual page 449

CDM-625 Advanced Satellite Modem
Quality of Service (QoS)
QoS Example 6
1. Max-Pri Layer 3 QoS mode is selected.
2. Modem Tx bandwidth is set to 2048 Kbps (E1 rate).
3. The Max-Pri QoS rules are configured as follows:
Index Protocol
1 UDP
2 TCP
3 HTTP
4 Def
4. The input data streams are as follows:
Stream Protocol
1
2
3 HTTP
4
QUESTION: What are the total output data rates and the individual stream data rates?
ANSWER: The individual stream data rates are as follows:
QoS Layer 3 QoS
Rule Priority
1 1
2 2
3 3
4 9
Total ►
Dest
VLAN Src IP/
TOS IP/
Range mask
mask
0-4094 255 ***/* ***/*
0-4094 255 ***/* ***/*
0-4094 255 ***/* ***/*
0-4094 255 ****/* ***/*
VLAN Range TOS
UDP 0-4094 255
TCP 0-4094 255
0-4094 255
IP 0-4094 255
Input Data Rate
1024 Kbps
1024 Kbps
1024 Kbps
64 Kbps
3136 Kbps
Max Min
Min Src
Src Dst
Port
Port Port
0 65535 0 65535
0 65535 0 65535
0 65535 0 65535
0 65535 0 65535
Src IP Dest IP
***/* ***/*
***/* ***/*
***/* ***/*
***/* ***/*
QoS Output Data Rate
644 Kbps
due to max clipping
1024 Kbps
380Kbps
0
2048 Kbps
20–11
Revision 13
MN-CDM625
Max
Max
Dst Priority Filter
BW
Port
644 1 N
99999 2 N
99999 3 N
99999 9 N
Steam Data
Src Port Dest Port
*** ***
*** ***
*** ***
*** ***
Remain Data Rate (After Serving
the Priority Queue)
1404 Kbps
380 Kbps
0 Kbps
0 Kbps
0 Kbps
WRED
N
N
N
N
Rate
1024
1024
1024
64