Prestige 201 ISDN Access Router

Fetch Next

Filter Set

Yes

Filter Set

 

 

 

 

Fetch Next

Yes

 

 

 

 

Filter Rule

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Start

Packet into Filter

Fetch First Filter Set

Fetch First Filter Rule

Next Filter Set

No

Next Filter Rule

Execute Filter

Available?

Available?

Rule

 

 

 

 

 

 

Check Next Rule

No

 

 

 

 

 

Drop

Forward

Drop Packet

 

 

Accept Packet

 

 

Figure 6-2 Filter Rule Process

 

Filter Configuration

6-3

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ZyXEL Communications P-202 manual Execute Filter