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- Compare Routing Table Worksheet with the output of “show ip route” from each router.
Decoding the output from “show ip route”
This is one entry from: show ip route
O 188.8.131.52 [110/74] via 184.108.40.206, 05:29:08, Serial0/0
|O||Routing protocol “OSPF”|
|[110||Administrative Distance (AD)|
|via 220.127.116.11||Next hop for the 18.104.22.168 /8 network|
|05:29:08||Aging time. How long the protocol has been running?|
Router Configuration Checklist
- Identify the interfaces on the router that are going to be used.
- Identify the directly connected networks.
- Configure the IP address and subnet mask on only those interfaces on the router that are going to be used.
- Enable the interface(s) : no shutdown
- Add the routing protocol
- Add only the network address for each “directly connected” network
- Adding an IP address to an interface
- Adding the RIP routing protocol
- Troubleshooting/Status commands
- Routing protocols
- How to configure:
- Serial Ports
- DCE vs DTEClock Rate on DCE end onlyshow controller serial0/0OSPF Routing Protocol
- Uses the Wildcard mask, instead of the subnet maskDHCP via Cisco IOS
- Set the rangeexclude addresses for static IP’s from the DHCP pool
- Serial Ports
- Cisco IOS Reference
Router Simulator (RouterSim)
- Introduction and configuration of RouterSim
- Routing protocols with RouterSim CCNA Network Visualizer
Lab-04: (Configuring Router interfaces, and the RIP Routing Protocol)
- You’ll need a USB Flash drive with at least 200MB of free space to save your labs.
- When saving, always increment the version number at the end of the filename every time you save. And, save often.
- Instructions (PDF)
- Network Diagram (PDF)
- The lab must be done in RouterSim
- RouterSim is available in any of the CST computers in the Namm building. (4th & 9th floors)
- Note: Substitute the # within an IP address with the number assigned to you in class. Use all other octets/digits, as written.
- After you’ve verified that all of your configurations are complete and accurate, and you’re able to ping from host A to B and from B to A, and the routing tables on both routers are correct, only then e-mail your completed RSM file and configuration text file to me for grading.
- E-mail Subject: CST3607 Lab-04 YourLastName
- Note: Do not use “version 2” when configuring RIP
- Important: Lab-04 is required, as it is the starting point/baseline for future labs.
Troubleshooting Your Lab?
- Did you enable all the required interfaces on all the routers? no shutdown
- Have you checked all the router interfaces to make sure that both Status and Protocol are both up? show ip interface brief
- Did you check that the clockrate on the DCE interface is set and greater than zero?
- Did you add only the directly connected networks to the routing protocol?
- Did you use the interface’s IP address instead of it’s network address when configuring the routing protocol?
- Did you use the wildcard mask, not the subnet mask, when configuring OSPF?
- When you ping a host or router, where is the ICMP request failing to get to its destination?
- Still having problems? And you’re confident that your configuration is correct? Save the lab, exit RouterSim, and then reload the lab.