InterVLAN Routing
Multilayer switches do the following:
�¡ Enable IP routing using ip routing
�¡ Create SVI using interface vlan-num
�¡ Assign an IP address to each interface
A router on a stick attaches the router to the switch using a trunk line (ISL or
802.1Q). Following are features of these:
�¡ Easy to implement
�¡ Use existing equipment
�¡ Much more latency than Multi-layer switching (MLS) solution
�¡ Configure by creating subinterface with interface fastethernet 1/0.7
�¡ Associate the VLAN to the interface with command encapsulation
isl 7 or encapsulation dot1q 7
�¡ ISL.No address on main interface
�¡ 802.1Q.Address on main interface for native (untagged) VLAN