Filter
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Prestige 791R G.SHDSL Router
Start
Fetch First
Filter Set
Fetch First
Filter Rule
Active?
Execute
Filter Rule
Fetch Next
Filter Rule
Next filter
Rule
Available?
Fetch Next
Filter Set
Next Filter Set
Available?
Accept PacketDrop Packet
Yes
No
Yes
No
Yes
Packet
intoFilter
Filter Set
Forward
Drop
No
Check
Next
Rule
Yes
Figure 12-2 Filter Rule Process
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.
Filter Configuration 12-3