Download Home Network 2009

Table of Contents
1
OVERVIEW ......................................................................................................................................... 1
1.1
1.2
2
GOALS FOR SOHO NETWORK: ........................................................................................................ 2
ORGANIZATION ............................................................................................................................... 2
INTERNET TECHNOLOGY – GEEK STUFF ................................................................................ 4
2.1
ISP .................................................................................................................................................. 4
2.2
LATENCY VS SPEED ......................................................................................................................... 4
2.3
NAMING CONVENTION .................................................................................................................... 5
2.3.1
Domain Name System (DNS) .................................................................................................. 5
2.3.2
DNS Security Extensions (DNSSE) ......................................................................................... 5
2.4
ROUTING ......................................................................................................................................... 5
2.5
UNICAST VS MULTICAST ................................................................................................................. 7
2.6
TCP VS UDP ................................................................................................................................... 7
2.7
QUALITY OF SERVICE (QOS) ........................................................................................................... 7
2.8
FLOW CONTROL - BACK PRESSURE, TCP SLOW START, RECEIVE WINDOW ................................... 7
2.9
IP ADDRESS CONFIGURATION ......................................................................................................... 7
2.9.1
IPv4 Dotted-Decimal Notation ............................................................................................... 8
2.9.2
Subnet ..................................................................................................................................... 8
2.9.3
Class vs Classless Inter-Domain Routing (CIDR) .................................................................. 8
2.9.4
Local host Address.................................................................................................................. 9
2.9.5
Multicast Address Block ......................................................................................................... 9
2.9.6
Private Address Block............................................................................................................. 9
2.9.7
APIPA Address Block ............................................................................................................. 9
2.9.8
Network Address and Port Translation .................................................................................10
2.9.9
Address Resolution Protocol (ARP) ......................................................................................10
2.9.10
Ports ......................................................................................................................................10
2.10 IPV4 VS IPV6 ..................................................................................................................................10
3
BROADBAND ROUTER – ONE CONNECTION MANY COMPUTERS ...................................12
3.1
ADSL OVERVIEW ..........................................................................................................................12
3.1.1
Fastpath vs Interleave............................................................................................................13
3.2
ADSL MODEM ...............................................................................................................................14
3.3
ISP WAN INTERFACE ....................................................................................................................14
3.3.1
ATM .......................................................................................................................................15
3.3.2
IP Settings ..............................................................................................................................15
3.3.3
PPPoE and MTU ...................................................................................................................15
3.4
LAN SIDE ADDRESS MANAGEMENT ..............................................................................................16
3.4.1
LAN IP Address Assignment ..................................................................................................16
3.4.2
Static ......................................................................................................................................16
3.4.3
Dynamic .................................................................................................................................16
3.4.4
MAC Reservation ...................................................................................................................16
3.4.5
Media Access Controller (MAC) Address..............................................................................17
3.5
NETWORK ADDRESS TRANSLATION (NAT)....................................................................................17
3.5.1
Performance ..........................................................................................................................17
3.5.2
Security ..................................................................................................................................18
3.5.3
Limitations of NAT .................................................................................................................18
3.6
DEFAULT GATEWAY.......................................................................................................................18
3.7
DNS ...............................................................................................................................................18
3.8
FIREWALL ......................................................................................................................................18
3.8.1
Universal Plug and Play ........................................................................................................19
3.9
QOS................................................................................................................................................19
3.10 SYSLOG EVENT LOGGING ...............................................................................................................19
3.11 MANAGEMENT ...............................................................................................................................19
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