#Layer 2 Port Configuration
Switch(config)#interface fa1/1
Switch(config-if)#switchport
#Layer 3 Port Configuration
Switch(config)#interface fa1/2
Switch(config-if)#no switchport
Switch(config-if)#ip address 192.168.1.254 255.255.255.0
#Verify Configuration
Switch#show interface fa1/1 switchport
#SVI Port Configuration
*On multilayer switch, you can enable L3 functionality for an entire VLAN on the switch. (This address will be GW)
#Define or identify the VLAN interface, then assign any L3 Address
Switch(config)#interface vlan 10
Switch(config-if)#ip address 192.168.10.254 255.255.255.0
#Enable SEF
Switch(config)#ip sef
* Switched Virtual Interface (SVI)
* Cisco Express Forwarding (CEF)
* Forwarding Information Base (FIB)
#How Cisco Switches Use CEF
#Exceptions to CEF
* Packet with header options
* Packet with TTL expired
* Packets destined to a tunnel interface
* Packets with unsupported encapsulations
* Packets requiring fragmentation (MTU exceeded)
#Displaying FIB Table Entries for a Specified VLAN
Switch#show ip cef vlan 10
#Displaying FIB Table Entries for a Specified IP Prefix
Switch#show ip cef 10.1.0.0 255.255.0.0 longer-prefixes
#Displaying Detailed CEF entery Information
Switch#show ip cef 10.1.0.0 255.255.0.0 detail
#Displaying the Total Number of Known Adjacencies
Switch#show adjacency summary
#Displaying Detailed Information about Adjacencies
Switch#show adjacency vlan 10 detail
#Displaying Adjacencies in the CEF Glean state
Switch#show ip cef adjacency glean
