Nokia IP40 User Manual page 120

7
Quality of Service
Table 20 QoS Class Parameters
Field
Relative
Weight
Delay
Sensitivity
Outgoing
Traffic
Guarantee at
least
Limit rate to
Incoming
Traffic
Guarantee
at least
Limit rate to
122
Action
Type a value indicating the importance of this class, relative to the
other defined classes.
For example, if you assign one class a weight of 50, and you
assign another class a weight of 25, the first class will be allocated
twice the amount of bandwidth as the second when the lines are
congested.
The degree of precedence of this class in the transmission queue.
Options:
Low (bulk traffic)—traffic that is not sensitive to long delays.
For example: SMTP traffic (outgoing email).
Medium (normal traffic)—normal traffic
High (interactive traffic)—traffic that is highly sensitive to delay.
For example: IP telephony, video conferencing, and interactive
protocols that require quick user response, such as Telnet.
Note
Traffic shaper serves delay-sensitive traffic with a lower latency.
That is, traffic shaper attempts to send packets with high level
interactive traffic) before packets with a medium (normal traffic) or
low (bulk traffic) level.
Select this option to guarantee a minimum bandwidth for outgoing
traffic belonging to this class. Enter the value in kilobits/second in
the field provided.
Select this option to limit the rate of outgoing traffic belonging to
this class. Enter the maximum rate in kilobits/second in the field
provided.
Select this option to guarantee a minimum bandwidth for the
incoming traffic belonging to this class. Enter the value in kilobits/
second in the field provided.
Select this option to limit the rate of incoming traffic belonging to
this class. Enter the maximum rate in kilobits/second in the field
provided.
Nokia IP40 Security Platform User's Guide v2.0