Figure 6-1 Filter Rule Process - ZyXEL Communications Prestige 650M User Manual

Prestige 650M ADSL Bridge
Fetch Next
Filter Set
Yes
Next Filter Set
Available?
No
Drop Packet
You can apply up to four filter sets to a particular port to block various types of packets. Because each filter
set can have up to six rules, you can have a maximum of 24 rules active for a single port.
6-2
Filter Set
Fetch Next
Filter Rule
Yes
Next filter
No Rule
Available?
Check
Next
Rule

Figure 6-1 Filter Rule Process

Start
Packet
intoFilter
Fetch First
Filter Set
Fetch First
Filter Rule
No
Active?
Yes
Execute
Filter Rule
Forward
Drop
Accept Packet
Filter Set Configuration