VisionNet 202ER-4, User Manual

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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
vii
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Configuring Bridging........................................113
Overview of Bridges..........................................................113
Using the Bridging Feature...............................................114
Defining Bridge Interfaces ................................................115
Deleting a Bridge Interface ...............................................116
17
Configuring Firewall Settings ..........................117
Configuring Global Firewall Settings ................................117
Managing the Black List ...................................................120
18
Configuring IP Filters.......................................121
Overview ...........................................................................121
Viewing Your IP Filter Configuration ................................121
Configuring IP Filter Global Settings ................................122
Creating IP Filter Rules.....................................................123
IP filter rule examples .......................................................128
Viewing IP Filter Statistics.................................................130
Managing Current IP Filter Sessions ...............................130
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Viewing DSL Parameters................................133
A
IP Addresses, Network Masks, and
Subnets ........................................................136
IP Addresses.....................................................................136
Structure of an IP address.........................................136
Network classes.........................................................137
Subnet masks ...................................................................137
B
Binary Numbers ..............................................139
Binary Numbers ................................................................139
Bits and bytes.............................................................139