Layer 3 Switch

Combining the Router and Layer 2 Switch

• Cisco Catalyst Swithc
• Layer 2
  • 2950
  • 2960

• Layer 3

  • 3560
  • 3750
  • 3860
  • 4500, 6500, 6800

• SVI - Switched Virtual Interface

• Acts like the Default Gateway for the VLAN's

Configuring Layer 3 Switch

Example

en
conf t 
ip routing # enables routing features on the switch
int vlan 10
ip adddress 10.0.0.1 255.255.255.0
no shut
exit

int vlan 20
ip address 172.16.0.1 255.255.255.0
no shut
exit
exit
show ip route