Enterasys ATX User Manual page 52

Using ATX Port Filtering
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The Port Filtering window
ATX's Port Filtering capabilities.
To access the Port Filtering window:
1. Click on the PPE's Module Index (Module 1). The Module menu will appear.
2. Drag down Port Filtering, and release. The Port Filtering window,
4-2
Port filters use the physical index number of a bridge port to determine
whether traffic is to be screened at the port. These filters are useful for
screening packets from being forwarded onto a port's attached segment. When
you use Port filters in combination with Bridge Address Table entries, you can
create highly specific filtering conditions to allow certain packets to be
forwarded onto a port's attached segment, or be filtered from it. For example,
you could make a filter that screens packets only if they are forwarded from
Port 3 of the ATX, are AppleTalk protocol packets, and are destined for a
station with an XYZ physical address.
will appear.
Figure 4-1. ATX Port Filtering Window
(Figure 4-1) allows you to view and configure the
Figure 4-1,