Netopia R7200 User Reference Manual page 9

Part III: Appendixes
Appendix A - Troubleshooting..................................................A-1
Configuration problems .................................................. A-1
Console connection problems ............................... A-2
Network problems ................................................ A-2
How to reset the router to factory defaults ...................... A-3
Power outages............................................................... A-3
Technical support .......................................................... A-4
How to reach us................................................... A-4
Appendix B - Understanding IP Addressing ..............................B-1
What is IP?.................................................................... B-1
About IP addressing ....................................................... B-1
Subnets and subnet masks .................................. B-2
Example: Using subnets on a Class C IP internet.... B-3
Example: Working with a Class C subnet ................ B-5
Distributing IP addresses ............................................... B-5
Technical note on subnet masking......................... B-6
Configuration ....................................................... B-7
Manually distributing IP addresses ........................ B-8
Using address serving .......................................... B-8
Tips and rules for distributing IP addresses............ B-9
Nested IP subnets ....................................................... B-11
Broadcasts.................................................................. B-13
Packet header types........................................... B-13
Appendix C - Understanding Netopia NAT Behavior...................C-1
Network configuration..................................................... C-1
Background ................................................................... C-1
Exported services ................................................ C-5
Important notes ................................................... C-6
Configuration ................................................................. C-7
Summary ...................................................................... C-8
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