ZyXEL Communications 310 Rule, Filter Set, Execute Filter, Yes, Yes, Start, Packet, Available, Available, Filter Set, Fetch Next, Filter Set, Fetch Next, into Filter, Fetch First

Prestige 310 Broadband Sharing Gateway

									Start
									Packet
									into Filter
									Fetch First
									Filter Set
				Filter Set
		Fetch Next							Fetch First
		Filter Set							Filter Rule
	Yes						Fetch Next
						Yes
							Filter Rule
Next Filter Set					Next Filter Rule			Execute Filter
			No
Available?					Available?				Rule

Check Next Rule

No

DropForward

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