Two QoS rule examples are listed below.
3.8.1.2 QoS Rule Example #1 - Connection Sessions
Figure 187 – QoS Rule Example #1 - Connection Sessions
When the administrator wants to limit the maximum number of connection sessions from client hosts (IP 10.0.75.16 - 31) to
20000 to avoid resource shortage, they can configure a rule as shown above.
This rule defines that all client hosts, whose IP addresses are in the range of 10.0.75.16 - 31, can access the Internet via the
"WAN-1" interface under the total limitation of the maximum 20000 connection sessions at any time.
3.8.1.3 QoS Rule Example #2 – DifferServ Code Points
Figure 188 – QoS Rule Example #2 - DifferServ Code Points
When the administrator of the router wants to convert the code point value, "IP Precedence 4(CS4)", in the packets from
client hosts (IP 10.0.75.196 - 199) to the code value, "AF Class2(High Drop)", they can use the "Rule-based QoS" function to
carry out this rule by defining a QoS rule as shown in the above configuration. Under such configuration, all packets from
WAN interfaces to LAN IP address 10.0.75.196 - 10.0.75.199 which have DiffServ code points with the “IP Precedence 4(CS4)”
value will be modified by the “DSCP Marking” control function with “AF Class 2(High Drop)” value at any time.
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