# ROuter Operation

The configuration of IP addresses differs in some ways, with switches using a VLAN interface and routers using an IP address configured on each working interface.

switches do not have auxiliary ports.  
Layer 2 switches support the **show mac address-table** command, while Cisco routers do not.  
routers support the **show ip route** command, while Cisco Layer 2 switches do not.  
Layer 2 switches use the **show interfaces status** command to list one line of output per interface (and  
routers do not)  
**show protocols** 15 - 6 and the IP address and mask configured on those same interfaces.command. This command confirms the state of each of the three R1 interfaces in Figure

# 15 Router Operation

Friday, November 12, 2021 9:28 PM