Netopia R5000 Manuel d'utilisateur télécharger pdf (Page 214)

13-36 User’s Reference Guide

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Incoming packet has the source address of 200.1.1.28

This incoming IP packet has a source IP address that matches the network address in the Source IP Address

ﬁeld (00000000) in the Netopia R5000 Series Router. This will not forward this packet.

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Incoming packet has the source address of 200.1.1.184.

Filter Rule: 200.1.1.0 (Source IP Network Address)

255.255.255.128 (Source IP Mask)

Forward = No (What happens on match)

IP Address Binary Representation

200.1.1.28 00011100 (Source address in incoming IP packet)

AND

255.255.255.128 10000000 (Perform the logical AND)

00000000 (Logical AND result)

Filter Rule: 200.1.1.0 (Source IP Network Address)

255.255.255.128 (Source IP Mask)

Forward = No (What happens on match)

IP Address Binary Representation

200.1.1.184 10111000 (Source address in incoming IP packet)

AND

255.255.255.128 10000000 (Perform the logical AND)

10000000 (Logical AND result)

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