ZyXEL Communications P314 Execute, Filter Set, Filter Rule, Figure 7-2Filter Rule Process

P314 Broadband Sharing Gateway with 4-Port Switch

Start

Packet into filter

Fetch First

Filter Set

Filter Set

Fetch Next	Fetch First
Filter Set	Filter Rule

Fetch Next

Filter Rule

Yes

Next Filter Set

Yes

Next filter

NoRuleNoActive?

Available?

Available?

Yes

			Execute
No			Filter Rule
	Check
	Next
	Rule
				Forward
		Drop

Drop Packet Accept Packet

Figure 7-2 Filter Rule Process

You can apply up to four filter sets to a particular port to block multiple types of packets. With each filter set having up to six rules, you can have a maximum of 24 rules active for a single port.

Filter Configuration 7-3