Basic Two Router Lab, Router Basic Configuration Lab

Objective:

In this lab you will configure a simple network to allow two routers to route packets between to remote networks.

Requirements:

• Two Cisco routers with one Ethernet port and one serial port.
• Cisco IOS 10.0 or higher
• One PC for consoling into routers with terminal emulation software
• One serial cable
• One Cisco rollover cable

Setup:

Step 1: Physical Connections

Configure a console session to your router(s) from your PC.

Step 2: Boot up the routers

Do not use the setup mode (setup dialogue) or auto configuration to configure the router. Let the routers finish booting.

Step 3: Host Name and Passwords

Begin your configuration with the hostnames and passwords for both routers.Configure RouterA and RouterB with their correct hostnames. Configure all telnet sessions on both routers with the password of cisco Exit back to the privileged mode and save your current configuration

Step 4: Adding IP Addresses

Configure the interfaces on both routers with the IPs as per the network diagram. Set a description on all interface. Set the clockrate on the DCE end of the serial cable with a clockrate of 250000. Ensure the interfaces come up.

Step 5a: Adding Dynamic Routing: RIP

Configure both routers for dynamic routing using the routing protocol RIP. Advertise the appropriate networks on both routers.

Check both routers to see if they are receiving RIP routing updates from each other. Ensure connectivity between the routers by using the ping command. Remove RIP before starting step 5b.

Step 5b: Adding Dynamic Routing:

IGRP Configure both routers to use the routing protocol IGRP. Configure both routers to use the same AS number. Advertise the appropriate networks on both routers.Check both routers to see if they are receiving IGRP routing updates from each other. Check to see what routing protocol the routers are using. Ensure connectivity between the routers by using the ping command. Remove IGRP before starting step 6.

Step 6: Adding Default Routes

Configure both routers with a default route to each other. Use the neighboring router as a smart gateway of last resort.

Check to ensure that the routers have a default route.

Ensure connectivity between the routers by using the ping command and pinging the interface e0 on each router.

Step 7: Adding Static Routes

Configure both routers with static routes to each routers remote network. Tell the routers how to find the path to each others Ethernet network.

Check to ensure that the routers have a static route.

Ensure connectivity between the routers by using the ping command and pinging the interface e0 on each router.

Step 8: Optimize the router performance.

Create a host table entry on each router to be able to ping the name of the router in lieu of the IP address.

Configure both routers to turn off ip domain-lookup so they do not try and use a DNS server.

Configure a MOTD on each router that warns of authorized access only.

Configure both router not to look for a network configuration when they startup.

Disable logging to the console screen on both routers.

Step 9:Configure your PC(s) for connectivity on the network.

Ping from the PC connected on RouterA’s Ethernet 0 network to the PC on the Ethernet 0 of RouterB. If you only have one PC, ping the interface Ethernet 0 on the either router.