3Com 4007, Implementation Manual, Page: 595 / 684

Examples of Classifiers and Controls 595
Example 3: Using Two
Classifiers to Filter
Traffic
In the following example, two flow classifiers (1 and 3) are defined with
controls to filter IP traffic. Classifier 1 permits IP traffic between two hosts
(192.20.3.3. and 193.20.3.3), while classifier 3 drops IP traffic TCP and
UDP, not ICMP) to and from one of the hosts (192.20.3.3). This example
shows how the classifier number can be used to dictate precedence.
Figure 72 Flow Classifier for Traffic to/from a Subnetwork
192.20.3.0 subnet 192.20.4.0 subnet
193.20.3.0 subnet
193.20.8.0 subnet
192.20.3.3
193.20.3.3
L3
Switch 4007
with Multilayer Module