OSPF Practice Skills Assessment – Packet Tracer

CCNA Routing and Switching
Scaling Networks

Practice Skills Assessment - OSPF

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Introduction

In this practice skills assessment, you will configure the Bank XYZ network with OSPF routing. The network is configured with both IPv4 and IPv6 on all devices. This will allow you to implement routing in both OSPFv2 and OSPFv3. In addition, you will configure both versions of OSPF in multiple areas.  For a full list of tasks, see below.

You are not required to configure the following:

The network switches
The network hosts
The Public Web Server
The Internet Cloud
All IOS device configurations should be completed from a direct terminal connection to the device console.

You will practice and be assessed on the following skills:

Configuration of IPv4 and IPv6 default routes
Configuration of OSPFv2 in a single area
Configuration of OSPFv2 in multiple areas
Configuration of OSPFv3 in a single area
Configuration of OSPFv3 in multiple areas
Customization of OSPFv2 and OSPFv3 settings
Interface Bandwidth
OSPF Priority
OSPF timer settings
Passive interfaces
You will configure specific devices as follows:
Router HQ:
IPv4 and IPv6 default route configuration
OSPFv2 and OSPFv3 Area 0 configuration
Interface bandwidth configuration
OSPFv2 and OSPFv3 router ID configuration
Distribution of default routes
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
Router London:
OSPFv2 and OSPFv3 Area 0 configuration
OSPFv2 and OSPFv3 Area 10 configuration
Interface bandwidth configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
Router West:
OSPFv2 and OSPFv3 Area 10 configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
OSPFv2 and OSPFv3 interface priority configuration
OSPFv2 and OSPFv3 hello and dead timer configuration
OSPFv2 and OSPFv3 passive interface configuration
Router East
OSPFv2 and OSPFv3 Area 10 configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
OSPFv2 and OSPFv3 interface priority configuration
OSPFv2 and OSPFv3 hello and dead timer configuration
OSPFv2 and OSPFv3 passive interface configuration
Router Dubai:
OSPFv2 and OSPFv3 Area 0 configuration
OSPFv2 and OSPFv3 Area 20 configuration
Interface bandwidth configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
Router Central:
OSPFv2 and OSPFv3 Area 20 configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
OSPFv2 and OSPFv3 interface priority configuration
OSPFv2 and OSPFv3 hello and dead timer configuration
OSPFv2 and OSPFv3 passive interface configuration
Router Remote:
OSPFv2 and OSPFv3 Area 20 configuration
OSPFv2 and OSPFv3 router ID configuration
Auto-cost reference bandwidth configuration for OSPFv2 and OSPFv3
OSPFv2 and OSPFv3 interface priority configuration
OSPFv2 and OSPFv3 hello and dead timer configuration
OSPFv2 and OSPFv3 passive interface configuration
Addressing Table

Use the following addresses to configure the network. Some addresses are preconfigured on devices that you are not required to configure, and are provided for reference purposes only.

Device

Interface

Addresses

Host Address Table

Instructions

Step1: Configure default static routes on the HQ router.
Configure IPv4 and IPv6 default static routes on HQ. Use the exit interface value in your configuration.

Step 2: Configure single-area OSPFv2
On the HQ, London, and Dubai routers, configure single-area OSPFv2 in Area 0.
Use a process ID of 10 for all OSPFv2 processes.
Activate routing for the appropriate networks. Use inverse masks that specify only addresses within the networks.
Specify a bandwidth value that matches the clock speed of the interfaces of HQ for interfaces of all devices that are configured in Area 0.
Set the router IDs as follows:
HQ: 10.20.0.0
London: 10.0.0.0
Dubai: 20.0.0.0
Step 3: Configure single-area OSPFv3.
On the HQ, London, and Dubai routers configure single-area OSPFv3 in Area 0.
Use a process ID of 10 for all OSPFv3 processes.
Activate routing for the appropriate networks.
Set the router IDs as follows:
HQ: 10.20.0.0
London: 10.0.0.0
Dubai: 20.0.0.0
Step 4: Configure OSPFv2 in multiple areas.
Configure the routers that have all interfaces in Areas 10 and 20 with OSPFv2.
Use a process ID of 10 for all OSPF processes.
Activate routing for the appropriate networks. Use inverse masks that specify only addresses within the networks. After this step is completed, hosts on all LANs should be able to communicate with each other over IPv4.
Set the router IDs as follows:
West: 10.1.1.1
East: 10.2.2.2
Central: 20.1.1.1
Remote: 20.2.2.2
Step 5: Configure OSPFv3 in multiple areas.
Configure the routers that have all interfaces in Areas 10 and 20 with OSPFv3.
Enable the routers to route IPv6.
Use a process ID of 10 for all OSPF processes.
Activate routing for the appropriate networks. After this step is completed, hosts on all LANs should be able to communicate with each other over IPv6.
Set the router IDs as follows:
West: 10.1.1.1
East: 10.2.2.2
Central: 20.1.1.1
Remote: 20.2.2.2
Step 6: Customize OSPFv2.
Customize OSPFv2 operation as follows:

For the multiaccess network connected between the West and East routers, configure priorities so that West will become the DR and East will be the BDR. Use priority values of 255 and 200.
Configure the interfaces on all routers that are attached to LANs with hosts to not send OSPFv2 traffic into the LAN.
Enable all routers to automatically and accurately calculate costs for routes that include 1Gbps Ethernet networks by changing the reference bandwidth.
Configure OSPFv2 so that the default routes that are configured on HQ are automatically distributed to all routers in the network.
Adjust the OSPFv2 timers on the Ethernet link between West and East as follows:
Hello: 5 seconds
Dead: 20 seconds
Step 7: Customize OSPFv3.
Customize OSPFv3 operation as follows:

For the multiaccess network connected between the West and East routers configure priorities so that West will become the DR and East will be the BDR. Use priority values of 255 and 200.
Configure the interfaces on all routers that are attached to LANs with hosts to not send OSPFv3 traffic into the LAN.
Enable all routers to automatically and accurately calculate costs for routes that include 1Gbps Ethernet networks by changing the reference bandwidth.
Configure OSPFv3 so that the default routes that are configured on HQ are automatically distributed to all routers in the network.
Explicitly configure the OSPFv3 timers on the Ethernet link between West and East as follows:
Hello: 5 seconds
Dead: 20 seconds
Note: If testing connectivity from inside the network to the external web server fails, then try pinging from the web server into the network to a host.
Last Updated: January, 2018


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