ZyXEL Communications 792H manual Outgoing Packet Filtering Process

Prestige 791R G.SHDSL Router

Outgoing

Packet

Data

Match

Drop

packet

No

match

Call Filtering

No

Active Data

match

No

Built-in

User-defined

default

Call Filters

match

Initiate call

Call Filters

(if applicable)

if line not up

Send packet

and reset

Match

Match

Idle Timer

Drop packet

Drop packet

if line not up

if line not up

Or

Or

Send packet

Send packet

but do not reset

but do not reset

Idle Timer

Idle Timer

Figure 28-1 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.

28-2 Filter Configuration