ZyXEL P-100 User Guide - Page 87

Filter Configuration

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Prestige 100WH Internet Access Router Chapter 7 Filter Configuration About Filtering Your Prestige uses filters to decide whether or not to allow passage of a data packet and/or to make a call over the Modem line. There are three types of filters involved: l Incoming Data Filters l Outgoing Data Filters l Call Filters. Data filters screen the data to determine if the packet should be allowed to pass. Call filters are used to determine if a call should be placed. Outgoing packets must pass through the data filters before they encounter the call filters. Call filters are divided into two groups l Built-in Call Filters l User-defined Call Filters. Your Prestige has built-in call filters that filter out administrative, e.g., RIP, packets. These built-in filters are always enabled and not accessible to the user. Your Prestige applies the built-in filters first and then the user-defined call filters if applicable, as illustrates in Figure 7-1, outgoing packet filtering process The Prestige has a default call filter "NetBEUI_WAN" configured and enabled in your ISP remote node that prevents Windows NetBEUI packets from triggering calls. If you need to disable this filter, go to Menu 11 and delete it from the call filter sets. You can also add this default call filter to another remote node by including it in the remote node's call filter sets. Chapter 7 Filter Configuration 7-1

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Prestige 100WH Internet Access Router
7-1
Chapter 7
Filter Configuration
Chapter 7
Filter Configuration
About Filtering
Your
Prestige
uses filters to decide whether or not to allow passage of a data packet and/or to
make a call over the Modem line. There are three types of filters involved:
l
Incoming Data Filters
l
Outgoing Data Filters
l
Call Filters.
Data filters screen the data to determine if the packet should be allowed to pass. Call filters
are used to determine if a call should be placed.
Outgoing packets must pass through the data filters before they encounter the call filters. Call
filters are divided into two groups
l
Built-in Call Filters
l
User-defined Call Filters.
Your
Prestige
has built-in call filters that filter out administrative, e.g., RIP, packets. These
built-in filters are always enabled and not accessible to the user. Your
Prestige
applies the
built-in filters first and then the user-defined call filters if applicable, as illustrates in Figure
7-1, outgoing packet filtering process
The
Prestige
has a default call filter “NetBEUI_WAN” configured and enabled in your ISP
remote node that prevents Windows NetBEUI packets from triggering calls. If you need to
disable this filter, go to Menu 11 and delete it from the call filter sets. You can also add this
default call filter to another remote node by including it in the remote node’s call filter sets.