ZyXEL Communications 782R Filter Rule, Execute, Figure 8-2Filter Rule Process

Prestige 782R G.SHDSL Router

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.

Filter Set

Start

Packet

intoFilter

Fetch First

Filter Set

Fetch Next						Fetch First
Filter Set						Filter Rule
			Fetch Next
			Filter Rule					Yes
	Yes
				Yes
Next Filter Set			Next filter
		No	Rule		No	Active?
Available?
			Available?
							Yes

	Execute
	Filter Rule
No

Check

Next

Rule

Forward

Drop

Drop Packet Accept Packet

Figure 8-2 Filter Rule Process

8-2 Filter Configuration