11.6.1 Lab – Basic OSPF Configuration Answers

11.6.1 Lab – Basic OSPF Configuration Answers

Topology

11.6.1 Lab - Basic OSPF Configuration Answers 2

Device Interface IP Address Subnet Mask Default Gateway
R1 Fa0/0 172.16.1.17 255.255.255.240 N/A
S0/0/0 192.168.10.1 255.255.255.252 N/A
S0/0/1 192.168.10.5 255.255.255.252 N/A
R2 Fa0/0 10.10.10.1 255.255.255.0 N/A
S0/0/0 192.168.10.2 255.255.255.252 N/A
S0/0/1 192.168.10.9 255.255.255.252 N/A
R3 Fa0/0 172.16.1.33 255.255.255.248 N/A
S0/0/0 192.168.10.6 255.255.255.252 N/A
S0/0/1 192.168.10.10 255.255.255.252 N/A
PC0 NIC 172.16.1.20 255.255.255.240 172.16.1.17
PC1 NIC 10.10.10.10 255.255.255.0 10.10.10.1
PC2 NIC 172.16.1.35 255.255.255.248 172.16.1.33

Instructions:

Learning Objectives

  • Cable a network according to the Topology Diagram.
  • Erase the startup configuration and reload a router to the default state.
  • Perform basic configuration tasks on a router.
  • Configure and activate interfaces.
  • Configure OSPF routing on all routers.
  • Configure OSPF router IDs.
  • Verify OSPF routing using show commands.
  • Configure a static default route.
  • Propagate default route to OSPF neighbors.
  • Configure OSPF Hello and Dead Timers.
  • Configure OSPF on a Multiaccess network.
  • Configure OSPF priority.
  • Understand the OSPF election process.
  • Document the OSPF configuration.

Task 2: Basic Router Configurations

Perform basic configuration of the R1, R2, and R3 routers according to the following guidelines:

  • Configure the router hostname
  • Disable DNS lookup
  • Configure the EXEC mode password as class
  • Configure a password for console connections as cisco (case sensitive)
  • Configure a password for VTY connections as cisco (case sensitive)

Task 3: Configure and Activate Serial and Ethernet Addresses

Step 1 Configure the interfaces on the R1, R2, and R3 routers with the IP addresses from the table

Task 4: Configure OSPF on the R1 Router

Step 1 Configure OSPF with a process ID number of 1, advertise all networks.

Task 5: Configure OSPF on the R2 and R3 Routers

Step 1 Configure OSPF with a process ID number of 1, advertise all networks.

Task 6: Configure OSPF Router IDs

Step 1 Configure R1 with a Loopback0 interface of 10.1.1.1 255.255.255.255

Step 2 Configure R2 with a Loopback0 interface of 10.2.2.2 255.255.255.255

Step 3 Configure R3 with a Loopback0 interface of 10.3.3.3 255.255.255.255

Step 4 Copy all running-configs to the NVRAM and reload routers

Task 7: Verify OSPF Operation

Step 1 Use the show ip ospf neighbor command to verify information about other routers was learned

Step 2 Use the show ip protocols command to view information about the routing protocol

Task 8: Examine OSPF Routes in the Routing Tables

Step 1 Use the show ip route command to view all learned networks via OSPF

Task 9: Configure OSPF Cost

Step 1 Configure R1 serial interfaces with a bandwidth of 64

Step 2 Configure R2 serial interfaces with a bandwidth of 64

Step 3 Configure R3 serial interfaces with a cost of 1562

Task 10: Redistribute an OSPF Default Route

Step 1 Configure a loopback address on the R1 router to simulate a link to an ISP.

Step 2 Create the loopback 1 172.30.1.1 255.255.255.252 on the R1 router

Step 3 Create a Default route directing traffic to the loopback interface.

Step 4 Redistribute the default route using OSPF

Task 11: Verifying OSPF

Step 1 Using the show ip route command verify that the default route was learned.

Download Packet Tracer (.pka) file:

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