Zyxel-communications Prestige 645R-A Series Manual do Utilizador descarregar pdf (Página 152)

Prestige 645R-A Series User’s Guide

17-2 Filter Configuration

Figure 17-1 Outgoing Packet Filtering Process

Two sets of factory filter rules have been configured in menu 21 to prevent NetBIOS traffic from triggering

calls. A summary of their filter rules is shown in the figures that follow.

The following figure illustrates the logic flow when executing a filter rule.

Data

Outgoing

Packet

Drop

packet

Built-in

default

Call Filters

User-defined

Call Filters

(if applicable)

Initiate call

if line not up

Active Data

Send packet

and reset

Idle Timer

Or Or

Drop packet

if line not up

Drop packet

if line not up

Send packet

but do not reset

Idle Timer

Send packet

but do not reset

Idle Timer

Match MatchMatch

match

Call Filtering

1 2 ... 147 148 149 150 151 152 153 154 155 156 157 ... 250 251

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Zyxel-communications Prestige 645R-A Series Manual do Utilizador Página 152