Chapter
1
. Introduction
Solwise SAR715PV ADSL Ethernet Router User’s Guide
8
12.4
Problems when accessing the Internet or
remote network..............................................................167
12.5
Diagnosing Problem using IP Utilities ..................168
12.5.1
ping..............................................................168
12.5.2
nslookup ......................................................169
12.6
MTU value. What is it and why does having
the correct value matter? ..............................................169
12.6.1
What are the symptoms of having a
wrong MTU value? .................................................169
12.6.2
So what is it?...............................................170
12.6.3
Why is it important? ....................................170
12.6.4
So how do I set the MTU value on
my Windows PC?...................................................171
13
Appendix C Government compliance
notices ..........................................................173
14
Appendix D IP Addresses, Network
Masks, and Subnets.....................................175
14.1
IP Addresses.........................................................175
14.1.1
Structure of an IP address..........................175
14.1.2
Network classes..........................................176
14.2
Subnet masks .......................................................176
15
Appendix E Binary Numbers...........................179
15.1
Binary Numbers ....................................................179
15.1.1
Bits and bytes..............................................179
16
Appendix F Useful Links .................................181
17
Appendix G Glossary ......................................182
