D-Link DES-3326 User Manual page 11

Tagging and Untagging ......................................................... 64
Ingress Filtering ................................................................... 64
Layer 3-Based VLANs........................................................... 65
VLANs in Layer 2 Only Mode ............................................... 66
DHCP Servers ......................................................................... 69
Broadcast Storms .................................................................... 71
Segmenting Broadcast Domains ........................................... 71
Eliminating Broadcast Storms .............................................. 72
IP Addressing and Subnetting ................................................. 72
Definitions............................................................................. 73
IP Addresses ......................................................................... 73
Address Classes .................................................................... 75
Private Subnets...................................... ¿ù»~! ©|¥¼©w¸q®ÑÅÒ¡C
Subnet Masking .................................................................... 78
Calculating the Number of Subnets and Nodes .................... 79
Classless InterDomain Routing - CIDR ................................ 80
Internet Protocols.................................................................... 83
Protocol Layering.................................................................. 83
Layer 2.................................................................................. 86
Layer 3.................................................................................. 87
Layer 4.................................................................................. 87
Layer 7.................................................................................. 88
TCP/IP................................................................................... 88
Packet Header Overview ......................................................... 90
TCP Level.............................................................................. 90
IP Level................................................................................. 92
Ethernet Level...................................................................... 93
Well-Known Sockets and the Application Layer ................... 95
UDP and ICMP ..................................................................... 97
The Domain Name System ...................................................... 98
Mapping Domain Names to Addresses ................................. 98
Domain Name Resolution...................................................... 99
IP Routing.............................................................................. 100
Packet Fragmentation and Reassembly .............................. 101
ARP ..................................................................................... 102
Multicasting ........................................................................... 103
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