62 CHAPTER 8: SETTING UP VIRTUAL LANS
Figure 15 shows a how a Layer 3 switch can be used to route between 
VLANs on the switch and how an additional VLAN can be used to 
aggregate two VLANs.
Figure 15   Two VLANs connected to a core switch using a third VLAN
The Switch can also be used to route traffic between VLANs on a Layer 2 
switch. Figure 16
 shows how a Layer 3 switch can be used to redirect 
traffic from one VLAN to another.
The Switch 3226 and Switch 3250 are optimized for edge switching and 
are not suitable as core switches in large or complex networks.