3Com 1100 - Manual (Page 9)

III Management Reference
5 P ORT T RUNKS
What are Port Trunks? 158
Port Trunks and Your Switch 158
Placing Ports in a Port Trunk 159
Port Trunk Example 160
6 V IRTUAL LAN S (VLAN S )
What are VLANs? 164
Benefits of VLANs 164
VLANs and Your Switch 165
The Default VLAN 165
Defining New VLANs 166
Untagged and Tagged VLANs 166
Placing a Port in a Single VLAN 166
Placing a Port in Multiple VLANs 166
802.1Q Tagging 166
VLT Tagging 167
Using IEEE 802.1Q Learning 167
Forwarding Traffic Containing Unknown 802.1Q Tags 168
Connecting VLANs to Other VLANs 170
Connecting to VLANs on Legacy Switch Units 170
VLAN Configuration for Beginners 171
Simple Example: Using Untagged Connections 171
Simple Example: Untagged Connections with Hubs 172
Simple Example: 802.1Q Tagged Connections 174
VLAN Configuration - Advanced Examples 177
Using 802.1Q Tagged Connections and 802.1Q Learning 177
Connecting to a Legacy Network 178
7 F
AST
IP
What is FastIP? 182
How FastIP Works 182
An Example 183
FastIP and the Switch Database 186
Enabling FastIP 187