... 1 - 4 CCNA 2: Routers and Routing Basics v 3. 0 - Lab 3. 1. 4 Copyright 20 03, Cisco Systems, Inc. Lab 3. 1. 4 Using Router show Commands Objective • Become familiar with the basic router show commands. ... stored. 2 - 4 CCNA 2: Routers and Routing Basics v 3. 0 - Lab 3. 1. 4 Copyright 20 03, Cisco Systems, Inc. • show arp displays the router IP to MAC to interface address mapping. • show interface ... __________________________________________________________________________ 3 - 4 CCNA 2: Routers and Routing Basics v 3. 0 - Lab 3. 1. 4 Copyright 20 03, Cisco Systems, Inc. f. How many Ethernet interfaces does this router have? _________ How...