Routing Basics Overview of IP routing Viewing the IP route table Increasing ARP age timeout (CLI) Setting and viewing the arp-age value Reconfiguring the router ID (optional) Enabling proxy ARP Configuring source MAC based ARP attack detection (ARP throttle) Enabling forwarding of IP directed broadcasts (CLI) Disabling replies to broadcast ping requests IP interfaces IP tables and caches IP forwarding cache IP route exchange protocols Configuring IP parameters for routing switches Configuring forwarding parameters Configuring ICMP