CCNA: Scaling Networks Skills Assessment (EIGRP & OSPFv2) – Hands On Skills Assessment
CCNA: Scaling Networks SA Exam
CCNA: Scaling Networks
Skills Assessment (EIGRP & OSPFv2) – Hands On Skills Assessment
Topology
Addressing Table
| Device | Interface | IP Address | Subnet Mask | Default Gateway |
| R1 | G0/1 | 172.27.0.1 | 255.255.255.0 | N/A |
| S0/0/0 | 172.27.123.1 | 255.255.255.252 | N/A | |
| Lo1 | 172.27.1.1 | 255.255.255.0 | N/A | |
| Lo2 | 172.27.2.1 | 255.255.255.0 | N/A | |
| Lo3 | 172.27.3.1 | 255.255.255.0 | N/A | |
| R2 | S0/0/0 | 172.27.123.2 | 255.255.255.252 | N/A |
| S0/0/1 | 172.27.123.5 | 255.255.255.252 | N/A | |
| Lo0 | 209.165.200.225 | 255.255.255.248 | N/A | |
| R3 | G0/1 | 172.27.0.3 | 255.255.255.0 | N/A |
| S0/0/1 | 172.27.123.6 | 255.255.255.252 | N/A | |
| Lo4 | 172.27.4.1 | 255.255.255.0 | N/A | |
| Lo5 | 172.27.5.1 | 255.255.255.0 | N/A | |
| Lo6 | 172.27.6.1 | 255.255.255.0 | N/A | |
| S1 | VLAN 1 | 172.27.0.11 | 255.255.255.0 | 172.27.0.2 |
| S2 | VLAN 1 | 172.27.0.12 | 255.255.255.0 | 172.27.0.2 |
| S3 | VLAN 1 | 172.27.0.13 | 255.255.255.0 | 172.27.0.2 |
| PC-A | NIC | 172.27.0.21 | 255.255.255.0 | 172.27.0.2 |
| PC-B | NIC | 172.27.0.22 | 255.255.255.0 | 172.27.0.2 |
| PC-C | NIC | 172.27.0.23 | 255.255.255.0 | 172.27.0.2 |
Assessment Objectives
Part 1: Initialize Devices (2 points, 5 minutes)
Part 2: Configure Device Basic Settings (5 points, 30 minutes)
Part 3: Configure LAN Redundancy and Link Aggregation (6 points, 25 minutes)
Part 4A: Configure EIGRP for IPv4 Dynamic Routing Protocol (8 points, 30 minutes)
Part 4B: Configure OSPFv2 Dynamic Routing Protocol (8 points, 30 minutes)
Part 5: Verify Network Connectivity and HSRP Configuration (6 points, 15 minutes)
Part 6: Display IOS Image and License Information (5 points, 5 minutes)
Scenario
In this Skills Assessment (SA), you will create a small network. You must connect the network devices, and configure those devices to support IPv4 connectivity, LAN redundancy, and link aggregation. You will then configure EIGRP and OSPFv2 for IPv4 on the network and verify connectivity and HSRP. Finally, you will demonstrate your knowledge of IOS images and licensing.
Required Resources
3 Routers (Cisco 1941 with Cisco IOS Release 15.2(4)M3 universal image or comparable)
3 Switches (Cisco 2960 with Cisco IOS Release 15.0(2) lanbasek9 image or comparable)
3 PCs (Windows 7, Vista, or XP with terminal emulation program, such as Tera Term)
Console cable to configure the Cisco IOS devices via the console ports
Ethernet and Serial cables as shown in the topology
Initialize Devices
Total points: 2
Time: 5 minutes
Initialize and reload the routers and switches.
Erase the startup configurations and reload the devices.
Before proceeding, have your instructor verify device initializations.
| Task | IOS Command | Points |
| Erase the startup-config file on all routers. | R1# erase startup-config | 2 |
| Reload all routers. | R1# reload | |
| Erase the startup-config file on all switches and remove the old VLAN database. | S1# erase startup-config
S1# del vlan.dat |
|
| Reload all switches. | S1# reload | |
| Verify VLAN database is absent from flash on all switches. | S1# show flash |
Points: __________ of 2
Configure Device Basic Settings
Total points: 5
Time: 30 minutes
Configure R1.
Configuration tasks for R1 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | .5 |
| Router name | hostname R1 | |
| Encrypted privileged EXEC password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 4
password cisco login |
|
| Encrypt the plain text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access is
Prohibited! @ |
|
| Interface G0/1 | interface g0/1
description Connection to S1 ip address 172.27.0.1 255.255.255.0 no shutdown |
|
| Interface S0/0/0 | interface s0/0/0
description Connection to R2 ip add 172.27.123.1 255.255.255.252 clock rate 128000 no shutdown |
|
| Interface Loopback 1 (LAN) | interface lo1
ip address 172.27.1.1 255.255.255.0 |
|
| Interface Loopback 2 (LAN) | interface lo2
ip address 172.27.2.1 255.255.255.0 |
|
| Interface Loopback 3 (LAN) | interface lo3
ip address 172.27.3.1 255.255.255.0 |
Configure R2.
Configuration tasks for R2 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | 1 |
| Router name | hostname R2 | |
| Encrypted privileged EXEC password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 4
password cisco login |
|
| Encrypt the plain text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access is
Prohibited! @ |
|
| Interface S0/0/0 | interface s0/0/0
description Connection to R1 ip add 172.27.123.2 255.255.255.252 no shutdown |
|
| Interface S0/0/1 | interface s0/0/1
description Connection to R3 ip add 172.27.123.5 255.255.255.252 clock rate 128000 no shutdown |
|
| Interface Loopback 0 (Simulated Internet connection) | description Connection to Internet
ip address 209.165.200.225 255.255.255.248 |
|
| Default route | ip route 0.0.0.0 0.0.0.0 lo0 |
Configure R3.
Configuration tasks for R3 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | 1 |
| Router name | hostname R3 | |
| Encrypted privileged EXEC password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 4
password cisco login |
|
| Encrypt the plain text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access is
Prohibited! @ |
|
| Interface G0/1 | interface g0/1
description Connection to S3 ip address 172.27.0.3 255.255.255.0 no shutdown |
|
| Interface S0/0/1 | interface s0/0/1
description Connection to R2 ip add 172.27.123.6 255.255.255.252 no shutdown |
|
| Interface Loopback 4 (LAN) | interface lo4
ip address 172.27.4.1 255.255.255.0 |
|
| Interface Loopback 5 (LAN) | interface lo5
ip address 172.27.5.1 255.255.255.0 |
|
| Interface Loopback 6 (LAN) | interface lo6
ip address 172.27.6.1 255.255.255.0 |
Configure S1.
Configuration tasks for S1 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | 1 |
| Switch name | hostname S1 | |
| Encrypted privileged EXEC password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 15
password cisco login |
|
| Encrypt the plain text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access
is Prohibited! @ |
|
| Assign an IPv4 address to the default SVI. | interface vlan 1
ip address 172.27.0.11 255.255.255.0 no shutdown |
|
| Assign the default-gateway. | ip default-gateway 172.27.0.2 | |
| Force trunking on Interfaces connected to S2 and S3. | interface range f0/1-4
switchport mode trunk switchport trunk native vlan 1 Note: VLAN 1 is the native VLAN by default, the previous command is not necessary. |
|
| Disable the Dynamic Trunking Protocol (DTP) on all other ports. | interface range f0/5-24, g0/1-2
switchport mode access Note: The switchport nonegotiate command may have also been issued, this is not incorrect but it is important that these ports have been changed to access ports. |
|
| Shutdown all unused ports. | interface range f0/7-24, g0/1-2
shutdown |
Configure S2.
Configuration tasks for S2 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | .5 |
| Switch name | hostname S2 | |
| Encrypted privileged exec password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 15
password cisco login |
|
| Encrypt the clear text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access
is Prohibited! @ |
|
| Assign an IPv4 address to the default SVI. | interface vlan 1
ip address 172.27.0.12 255.255.255.0 no shutdown |
|
| Assign the default-gateway. | ip default-gateway 172.27.0.2 | |
| Force trunking on Interfaces connected to S1 and S3. | interface range f0/1-4
switchport mode trunk switchport trunk native vlan 1 Note: VLAN 1 is the native VLAN by default, the previous command is not necessary. |
|
| Disable the Dynamic Trunking Protocol (DTP) on all other ports. | interface range f0/5-24, g0/1-2
switchport mode access Note: The switchport nonegotiate command may have also been issued, this is not incorrect but it is important that these ports have been changed to access ports. |
|
| Shutdown all unused ports. | interface range f0/5-17, f0/19-24,
g0/1-2 shutdown |
Configure S3
Configuration tasks for S3 include the following:
| Configuration Item or Task | Specification | Points |
| Disable DNS lookup | no ip domain lookup | .5 |
| Switch name | hostname S3 | |
| Encrypted privileged EXEC password | enable secret class | |
| Console access password | line con 0
password cisco login |
|
| Telnet access password | line vty 0 15
password cisco login |
|
| Encrypt the plain text passwords. | service password-encryption | |
| MOTD banner | banner motd @ Unauthorized Access
is Prohibited! @ |
|
| Assign an IPv4 address to the default SVI. | interface vlan 1
ip address 172.27.0.13 255.255.255.0 no shutdown |
|
| Assign the default-gateway. | ip default-gateway 172.27.0.2 | |
| Force trunking on Interfaces connected to S1 and S2. | interface range f0/1-4
switchport mode trunk switchport trunk native vlan 1 Note: VLAN 1 is the native VLAN by default, the previous command is not necessary. |
|
| Disable the Dynamic Trunking Protocol (DTP) on all other ports. | interface range f0/5-24, g0/1-2
switchport mode access Note: The switchport nonegotiate command may have also been issued, this is not incorrect but it is important that these ports have been changed to access ports. |
|
| Shutdown all unused ports. | interface range f0/6-17, f0/19-24,
g0/1-2 shutdown |
Configure IPv4 addresses on PCs.
| Configuration Item or Task | Specification | Points |
| Configure static IPv4 address information on PC-A. | IPv4 address:172.27.0.21
Subnet mask: 255.255.255.0 Default gateway:172.27.0.2 |
.5 |
| Configure static IPv4 address information on PC-B. | IPv4 address:172.27.0.22
Subnet mask: 255.255.255.0 Default gateway:172.27.0.2 |
|
| Configure static IPv4 address information on PC-C. | IPv4 address:172.27.0.23
Subnet mask: 255.255.255.0 Default gateway:172.27.0.2 |
Points: _________ of 5
Configure LAN Redundancy and Link Aggregation
Total points: 6
Time: 25 minutes
Configure Spanning Tree on S1.
Configuration tasks for S1 include the following:
| Configuration Item or Task | Specification | Points |
| Configure Rapid PVST+. | PVST+.
spanning-tree mode rapid-pvst |
1 |
| Configure as primary root bridge for VLAN 1. | spanning-tree vlan 1 root primary | |
| Configure PortFast and BPDU Guard on the interface connected to PC-A. | interface f0/6
spanning-tree portfast spanning-tree bpduguard enable |
Configure Spanning Tree on S2.
Configuration tasks for S2 include the following:
| Configuration Item or Task | Specification | Points |
| Configure Rapid PVST+. | spanning-tree mode rapid-pvst | 1 |
| Configure PortFast and BPDU Guard on the interface connected to PC-B. | interface f0/18
spanning-tree portfast spanning-tree bpduguard enable |
Configure Spanning Tree on S3.
Configuration tasks for S3 include the following:
| Configuration Item or Task | Specification | Points |
| Configure Rapid PVST+. | spanning-tree mode rapid-pvst | 1 |
| Configure as secondary root bridge for VLAN 1. | spanning-tree vlan 1 root secondary | |
| Configure PortFast and BPDU Guard on the interface connected to PC-C. | interface f0/18
spanning-tree portfast spanning-tree bpduguard enable |
Configure HSRP on R1.
Configuration tasks for R1 include the following:
| Configuration Item or Task | Specification | Points |
| Configure the HSRP virtual IP address on interface G0/1. | interface g0/1
standby 1 ip 172.27.0.2 |
1 |
| Make this the primary HSRP router. | standby 1 priority 150
R1 |
|
| Configure so this router becomes the primary HSRP router on a reboot. | standby 1 preempt |
Configure HSRP on R3.
Configuration tasks for R3 include the following:
| Configuration Item or Task | Specification | Points |
| Configure the HSRP virtual IP address on interface G0/1. | interface g0/1
standby 1 ip 172.27.0.2 |
1 |
Configure an LACP EtherChannel between S1 and S3.
Configuration tasks include the following:
| Configuration Item or Task | Specification | Points |
| On S1, configure an LACP EtherChannel on interfaces connected to S3. | interface range f0/3-4
channel-group 1 mode active |
1 |
| On S3, configure an LACP EtherChannel on interfaces connected to S1. | interface range f0/3-4
channel-group 1 mode passive |
Points: _________ of 6
Configure EIGRP for IPv4 Dynamic Routing Protocol
Total points: 8
Time: 30 minutes
Configure EIGRP on R1.
Configuration tasks for R1 include the following:
| Configuration Item or Task | Specification | Points |
| Autonomous System (AS) number | router ospf 1 | 2 |
| Router ID | router-id 1.1.1.1 | |
| Advertise directly connected networks. | network 172.27.0.0 0.0.0.255 area 0
network 172.27.123.0 0.0.0.3 area 0 network 172.27.1.0 0.0.0.255 area 1 network 172.27.2.0 0.0.0.255 area 1 network 172.27.3.0 0.0.0.255 area 1 |
|
| Set all LAN interfaces as passive. | passive-interface g0/1
passive-interface lo1 passive-interface lo2 passive-interface lo3 |
|
| Manually disable automatic summarization. | No auto-summary | |
| Apply a manual summary route for the Loopback interface networks. | ||
| Set the bandwidth on S0/0/0 | interface s0/0/0
bandwidth 128 |
|
| Change the hello-interval on S0/0/0. | 30 seconds | |
| Change the hold-time on S0/0/0. | 90 seconds | |
| Change bandwidth percentage available to EIGRP | 70% | |
| Configure a key chain named EIGRP-KEY with 1 key-string. | Key-string: cisco | |
| Configure MD5 authentication on S0/0/0 using the key chain configured in the previous task. |
Configure EIGRP on R2.
Configuration tasks for R2 include the following:
| Configuration Item or Task | Specification | Points |
| Autonomous System number | 1 | 2 |
| Router ID | 2.2.2.2 | |
| Advertise directly connected Networks. | Use classless network addresses. | |
| Manually disable automatic summarization. | ||
| Propagate the default route to all other EIGRP routers. | ||
| Set the bandwidth on both serial interfaces. | 128 Kb/s | |
| Change the hello-interval on serial interfaces. | 30 seconds | |
| Change the hold-time on serial interfaces. | 90 seconds | |
| Change bandwidth percentage available to EIGRP. | 70% | |
| Configure a key chain named EIGRP-KEY with 1 key-string. | Key-string: cisco | |
| Configure MD5 authentication on serial interfaces using the key chain configured in the previous step. |
Configure EIGRP on R3.
Configuration tasks for R3 include the following:
| Configuration Item or Task | Specification | Points |
| Autonomous System number | 1 | 2 |
| Router ID | 3.3.3.3 | |
| Advertise directly connected Networks. | Use classless network addresses. | |
| Set all LAN interfaces as passive. | ||
| Manually disable automatic summarization. | ||
| Set the serial interface bandwidth. | 128 Kb/s | |
| Apply a manual summary route for the Loopback interface networks. | ||
| Change the hello-interval on S0/0/1. | 30 seconds | |
| Change the hold-time on S0/0/1. | 90 seconds | |
| Change bandwidth percentage available to EIGRP. | 70% | |
| Configure a key chain named EIGRP-KEY with 1 key-string. | Key-string: cisco | |
| Configure MD5 authentication on S0/0/1 using the key chain configured in previous task. |
Verify network connectivity.
Verify that EIGRP is functioning as expected. Enter the appropriate CLI command to discover the following information:
| Question | Response | Points |
| What command will display all connected EIGRP routers? | Show eigrp neighbors | 1 |
| What command displays EIGRP hello-interval, hold-time, bandwidth percentage, and authentication mode for all EIGRP interfaces on a router? | Show ip eigrp interfaces detail | |
| What command displays the EIGRP Autonomous System number, router ID, address summarizations, routing networks, and passive interfaces configured on a router? | Show ip protocoals | |
| What command displays only EIGRP routes? | Show ip route eigrp |
Step 5: Disable EIGRP
Disable EIGRP to prepare for OSPFv2.
| Configuration Item or Task | Specification | Points |
| Disable EIGRP | No router eigrp 1 | 1 |
Points: _________ of 8
Configure OSPFv2 Dynamic Routing Protocol
Total points: 8
Time: 30 minutes
Configure OSPFv2 on R1.
Configuration tasks for R1 include the following:
| Configuration Item or Task | Specification | Points |
| OSPF Process ID | 1 | 2 |
| Router ID | 1.1.1.1 | |
| Advertise directly connected networks. | Use classless network addresses.
Assign S0/0/0 and G0/1 interfaces to Area 0. Assign Loopback interfaces to Area 1. |
|
| Set all LAN interfaces as passive. | ||
| Configure an inter-area summary route for the networks in area 1. | ||
| Change the default cost reference bandwidth to support Gigabit interface calculations. | 1000 | |
| Set the bandwidth on S0/0/0. | 128 Kb/s | |
| Adjust the metric cost of S0/0/0. | Cost: 7500 | |
| Create an OSPF MD5 key on S0/0/0. | Key: 1
Password: CISCO |
|
| Apply MD5 authentication to S0/0/0. |
Configure OSPFv2 on R2.
Configuration tasks for R2 include the following:
| Configuration Item or Task | Specification | Points |
| OSPF Process ID | 1 | 2 |
| Router ID | 2.2.2.2 | |
| Advertise directly connected networks. | Use classless network addresses.
All connected networks should be assigned to Area 0 except the Lo0 network. |
|
| Propagate the default route to all other OSPF routers. | ||
| Change the default cost reference bandwidth to allow for Gigabit interfaces. | 1000 | |
| Set the bandwidth on all serial interfaces. | 128 Kb/s | |
| Adjust the metric cost of S0/0/0. | Cost: 7500 | |
| Create an OSPF MD5 key on the serial interfaces. | Key: 1
Password: CISCO |
|
| Apply MD5 authentication on the serial interfaces. |
Configure OSPFv2 on R3.
Configuration tasks for R3 include the following:
| Configuration Item or Task | Specification | Points |
| OSPF Process ID | 1 | 2 |
| Router ID | 3.3.3.3 | |
| Advertise directly connected networks. | Use classless network addresses
Assign S0/0/1 and G0/1 interfaces to Area 0 Assign Loopback interfaces to Area 3 |
|
| Set all LAN interfaces as passive. | ||
| Configure an inter-area summary route for the networks in area 3. | ||
| Change the default cost reference bandwidth to support Gigabit interface calculations. | 1000 | |
| Set the serial interface bandwidth. | 128 Kb/s | |
| Create an OSPF MD5 key on S0/0/1. | Key: 1
Password: CISCO |
|
| Apply MD5 authentication to S0/0/1. |
Verify network connectivity.
Verify that OSPF is functioning as expected. Enter the appropriate CLI command to discover the following information:
| Question | Response | Points |
| What command will display all connected OSPFv2 routers? | show ip ospf neighbor | 2 |
| What command displays a summary list of OSPF interfaces that includes a column for the cost of each interface? | show ip ospf interface brief | |
| What command displays the OSPF Process ID, Router ID, Address summarizations, Routing Networks, and Passive Interfaces configured on a router? | show ip protocols | |
| What command displays only OSPF routes? | show ip route ospf | |
| What command displays detailed information about the OSPF interfaces, including the authentication method? | show ip ospf interface | |
| What command displays the OSPF section of the running-configuration? | show run | section router ospf |
Points: _________ of 8
Verify Network Connectivity and HSRP Configuration
Total points: 6
Time: 15 minutes
Use the listed command to verify that network is working as expected.
Verify end-to-end connectivity.
Take corrective action if results are other than expected.
| From | Command | To | Expected Results | Points |
| PC-A | ping | PC-C | Ping should be successful. | 3 |
| PC-B | ping | PC-A | Ping should be successful. | |
| PC-B | ping | PC-C | Ping should be successful. | |
| PC-B | ping | Default Gateway | Ping should be successful. | |
| PC-B | ping | 209.165.200.225 | Ping should be successful. | |
| PC-B | tracert | 209.165.200.225 | Trace should route through R1. |
Note: It may be necessary to disable the PC firewall for pings to be successful
Verify HSRP is working as expected.
Issue the shutdown command on R1 G0/1, and then re-issue the following commands to verify that HSRP is working as expected:
| From | Command | To | Expected Results | Points |
| PC-B | ping | 172.27.0.1 | Ping should not be successful. | 3 |
| PC-B | ping | Default Gateway | Ping should be successful. | |
| PC-B | ping | 209.165.200.225 | Ping should be successful. | |
| PC-B | tracert | 209.165.200.225 | Trace should route through R3. |
Points: _________ of 6
Display IOS Image and License Information
Total points: 5
Time: 5 minutes
Enter the appropriate CLI command to discover the following information:
| Question | Response | Points |
| What command displays the IOS image that is currently being used by the network device? | show version | 5 |
| What command displays the size of an IOS image loaded on a network device? | show flash | |
| What command displays a summary list of the Technology Package licenses on an ISR-G2 device that includes the current the state of each of those licenses? | show version | |
| What command displays the amount of space available to install an additional IOS image to a network device? | show flash | |
| What command displays a list of all the licenses on an ISR-G2 device? | show license | |
| What command would you use to accept the end user license agreement? | license accept end user agreement |
Points: _________ of 5
Router Interface Summary Table
| Router Interface Summary | ||||
| Router Model | Ethernet Interface #1 | Ethernet Interface #2 | Serial Interface #1 | Serial Interface #2 |
| 1800 | Fast Ethernet 0/0 (F0/0) | Fast Ethernet 0/1 (F0/1) | Serial 0/0/0 (S0/0/0) | Serial 0/0/1 (S0/0/1) |
| 1900 | Gigabit Ethernet 0/0 (G0/0) | Gigabit Ethernet 0/1 (G0/1) | Serial 0/0/0 (S0/0/0) | Serial 0/0/1 (S0/0/1) |
| 2801 | Fast Ethernet 0/0 (F0/0) | Fast Ethernet 0/1 (F0/1) | Serial 0/1/0 (S0/1/0) | Serial 0/1/1 (S0/0/1) |
| 2811 | Fast Ethernet 0/0 (F0/0) | Fast Ethernet 0/1 (F0/1) | Serial 0/0/0 (S0/0/0) | Serial 0/0/1 (S0/0/1) |
| 2900 | Gigabit Ethernet 0/0 (G0/0) | Gigabit Ethernet 0/1 (G0/1) | Serial 0/0/0 (S0/0/0) | Serial 0/0/1 (S0/0/1) |
| Note: To find out how the router is configured, look at the interfaces to identify the type of router and how many interfaces the router has. There is no way to effectively list all the combinations of configurations for each router class. This table includes identifiers for the possible combinations of Ethernet and Serial interfaces in the device. The table does not include any other type of interface, even though a specific router may contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation that can be used in Cisco IOS commands to represent the interface. |
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