3Com CoreBuilder 2500 User Manual - Ii V
iv
P
ART
II V
IRTUAL
LAN T
ECHNOLOGY
2
VLAN
S
ON
THE
C
ORE
B
UILDER
2500 S
YSTEM
About VLANs 2-1
Types of VLANs 2-1
Port Group VLANs 2-2
MAC Address Group VLANs 2-2
Application-Oriented VLANs 2-2
Protocol-Sensitive VLANs 2-3
CoreBuilder 2500 Protocol-Sensitive VLAN Configuration 2-3
Protocol Suite 2-3
Switch Ports 2-4
Layer 3 Addressing Information 2-4
Default VLAN 2-5
Modifying the Default VLAN 2-5
Flooding Decisions in the CoreBuilder 2500 2-5
VLAN Exception Flooding 2-6
Overlapped IP VLANs 2-7
Routing Between VLANs 2-8
VLAN Configuration Examples 2-9
P
ART
III
A
BOUT
R
OUTING
P
ROTOCOLS
3
B
RIDGING
AND
R
OUTING
IN
THE
C
ORE
B
UILDER
2500 S
YSTEM
What Is Routing? 3-1
CoreBuilder 2500 in a Subnetworked Environment 3-2
Integrating Bridging and Routing 3-3
Bridging and Routing Models 3-4
Traditional Bridging and Routing 3-4
CoreBuilder 2500 Bridging and Routing 3-6