Module 10 Labs

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© 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 4 www.netacad.com Packet Tracer - Configure Initial Router Settings Objectives Part 1: Verify the Default Router Configuration Part 2: Configure and Verify the Initial Router Configuration Part 3: Save the Running Configuration File Background In this activity, you will perform basic router configuration tasks. You will secure access to the CLI and console port using encrypted and plain-text passwords. You will also configure messages for users who are logging into the router. These banners warn unauthorized users that access is prohibited. Finally, you will verify and save your running configuration. Instructions Part 1: Verify the Default Router Configuration Step 1: Establish a console connection to R1. a. Choose a Console cable from the available connections. b. Click PCA and select RS 232 . c. Click R1 and select Console . d. Click PCA > Desktop tab > Terminal . e. Click OK and press ENTER . You are now able to configure R1 . Step 2: Enter privileged mode and examine the current configuration. You can access all the router commands from privileged EXEC mode. However, because many of the privileged commands configure operating parameters, privileged access should be password-protected to prevent unauthorized use. a. Enter privileged EXEC mode by entering the enable command. Open a configuration window Router> enable Router# Notice that the prompt changed in the configuration to reflect privileged EXEC mode. b. Enter the show running-config command. Router# show running-config Questions: What is the r outer’s hostname? Type your answers here. How many Fast Ethernet interfaces does the Router have? Type your answers here.

Packet Tracer - Configure Initial Router Settings © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 4 www.netacad.com How many Gigabit Ethernet interfaces does the Router have? Type your answers here. How many Serial interfaces does the router have? Type your answers here. What is the range of values shown for the vty lines? Type your answers here. c. Display the current contents of NVRAM. Router# show startup-config startup-config is not present Question: Why does the router respond with the startup-config is not present message? Type your answers here. Close a configuration window Part 2: Configure and Verify the Initial Router Configuration To configure parameters on a router, you may be required to move between various configuration modes. Notice how the prompt changes as you navigate through the IOS configuration modes. Step 1: Configure the initial settings on R1. Note : If you have difficulty remembering the commands, refer to the content for this topic. The commands are the same as you configured on a switch. Open a configuration window a. Configure R1 as the hostname. b. Configure Message of the day text: Unauthorized access is strictly prohibited. c. Encrypt all plain text passwords. Use the following passwords: 1) Privileged EXEC, unencrypted: cisco 2) Privileged EXEC, encrypted: itsasecret 3) Console: letmein Step 2: Verify the initial settings on R1. Open a configuration window a. Verify the initial settings by viewing the configuration for R1. Question: What command do you use? Type your answers here. b. Exit the current console session until you see the following message: R1 con0 is now available

Packet Tracer - Configure Initial Router Settings © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 3 of 4 www.netacad.com Press RETURN to get started. c. Press ENTER ; you should see the following message: Unauthorized access is strictly prohibited. User Access Verification Password: Questions: Why should every router have a message-of-the-day (MOTD) banner? Type your answers here. If you are not prompted for a password before reaching the user EXEC prompt, what console line command did you forget to configure? Type your answers here. d. Enter the passwords necessary to return to privileged EXEC mode. Questions: Why would the enable secret password allow access to the privileged EXEC mode and the enable password no longer be valid? Type your answers here. If you configure any more passwords on the router, are they displayed in the configuration file as plain text or in encrypted form? Explain. Type your answers here. Close a configuration window Part 3: Save the Running Configuration File Step 1: Save the configuration file to NVRAM. a. You have configured the initial settings for R1 . Now back up the running configuration file to NVRAM to ensure that the changes made are not lost if the system is rebooted or loses power. Open a configuration window Questions: What command did you enter to save the configuration to NVRAM? Type your answers here. What is the shortest, unambiguous version of this command? Type your answers here. Type your answers here.

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Packet Tracer - Configure Initial Router Settings © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 4 of 4 www.netacad.com Close a configuration windowVerify that all of the parameters configured are recorded. If not, analyze the output and determine which commands were not executed or were entered incorrectly. You can also click Check Results in the instruction window. Step 2: Optional: Save the startup configuration file to flash. Although you will be learning more about managing the flash storage in a router in later chapters, you may be interested to know that, as an added backup procedure, you can save your startup configuration file to flash. By default, the router still loads the startup configuration from NVRAM, but if NVRAM becomes corrupt, you can restore the startup configuration by copying it over from flash. Complete the following steps to save the startup configuration to flash. Open a configuration window a. Examine the contents of flash using the show flash command: R1# show flash Questions: How many files are currently stored in flash? Type your answers here. Which of these files would you guess is the IOS image? Type your answers here. Why do you think this file is the IOS image? Type your answers here. R1# copy startup-config flash Destination filename [startup-config] The router prompts you to store the file in flash using the name in brackets. If the answer is yes, then press ENTER ; if not, type an appropriate name and press ENTER . b. Use the show flash command to verify the startup configuration file is now stored in flash. Close a configuration window End of document

PT Lab 10.1.4 - Configure Initial Router Settings Submit screenshot of Assessment Items tab

© 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 5 www.netacad.com Packet Tracer - Connect a Router to a LAN Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 192.168.10.1 255.255.255.0 N/A R1 G0/1 192.168.11.1 255.255.255.0 N/A R1 S0/0/0 (DCE) 209.165.200.225 255.255.255.252 N/A R2 G0/0 10.1.1.1 255.255.255.0 N/A R2 G0/1 10.1.2.1 255.255.255.0 N/A R2 S0/0/0 209.165.200.226 255.255.255.252 N/A PC1 NIC 192.168.10.10 255.255.255.0 192.168.10.1 PC2 NIC 192.168.11.10 255.255.255.0 192.168.11.1 PC3 NIC 10.1.1.10 255.255.255.0 10.1.1.1 PC4 NIC 10.1.2.10 255.255.255.0 10.1.2.1 Objectives Part 1: Display Router Information Part 2: Configure Router Interfaces Part 3: Verify the Configuration Background In this activity, you will use various show commands to display the current state of the router. You will then use the Addressing Table to configure router Ethernet interfaces. Finally, you will use commands to verify and test your configurations. Note : The routers in this activity are partially configured. Some of the configurations are not covered in this course but they are provided to assist you in using verification commands. Part 1: Display Router Information Step 1: Display interface information on R1. Note : Click a device and then click the CLI tab to access the command line directly. The console password is cisco . The privileged EXEC password is class . Questions: a. Which command displays the statistics for all interfaces configured on a router? Type your answers here. b. Which command displays the information about the Serial 0/0/0 interface only? Type your answers here.

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Packet Tracer - Connect a Router to a LAN © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 5 www.netacad.com c. Enter the command to display the statistics for the Serial 0/0/0 interface on R1 and answer the following questions: 1) What is the IP address configured on R1 ? Type your answers here. 2) What is the bandwidth on the Serial 0/0/0 interface? Type your answers here. d. Enter the command to display the statistics for the GigabitEthernet 0/0 interface and answer the following questions: 1) What is the IP address on R1 ? Type your answers here. 2) What is the MAC address of the GigabitEthernet 0/0 interface? Type your answers. 3) What is the bandwidth (BW) of the GigabitEthernet 0/0 interface? Type your answers here. Step 2: Display a summary list of the interfaces on R1. Questions: a. Which command displays a brief summary of the current interfaces, interface status, and the IP addresses assigned to them? Type your answers here. b. Enter the command on each router and answer the following questions: 1) How many serial interfaces are there on R1 and R2 ? Type your answers here. 2) How many Ethernet interfaces are there on R1 and R2 ? Type your answers here. 3) Are all the Ethernet interfaces on R1 the same? If no, explain the difference(s). Type your answers here. Step 3: Display the routing table on R1. Questions: a. What command displays the contents of the routing table? Type your answers here.

Packet Tracer - Connect a Router to a LAN © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 3 of 5 www.netacad.com b. Enter the command on R1 and answer the following questions: 1) How many connected routes are there (uses the C code)? Type your answers here. 2) Which route is listed? Type your answers here. 3) How does a router handle a packet destined for a network that is not listed in the routing table? Type your answers here. Part 2: Configure Router Interfaces Step 1: Configure the GigabitEthernet 0/0 interface on R1. a. Enter the following commands to address and activate the GigabitEthernet 0/0 interface on R1 : Open configuration window R1(config)# interface gigabitethernet 0/0 R1(config-if)# ip address 192.168.10.1 255.255.255.0 R1(config-if)# no shutdown %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up b. It is good practice to configure a description for each interface to help document the network. Configure an interface description that indicates the device to which it is connected. R1(config-if)# description LAN connection to S1 c. R1 should now be able to ping PC1. R1(config-if)# end %SYS-5-CONFIG_I: Configured from console by console R1# ping 192.168.10.10 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.10.10, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 0/2/8 ms Step 2: Configure the remaining Gigabit Ethernet Interfaces on R1 and R2. a. Use the information in the Addressing Table to finish the interface configurations for R1 and R2 . For each interface, do the following: 1) Enter the IP address and activate the interface. 2) Configure an appropriate description. b. Verify interface configurations.

Packet Tracer - Connect a Router to a LAN © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 4 of 5 www.netacad.com Step 3: Back up the configurations to NVRAM. Question: Save the configuration files on both routers to NVRAM. What command did you use? Type your answers here. Close configuration window Part 3: Verify the Configuration Step 1: Use verification commands to check your interface configurations. a. Use the show ip interface brief command on both R1 and R2 to quickly verify that the interfaces are configured with the correct IP address and are active. Questions: How many interfaces on R1 and R2 are configured with IP addresses and in the “up” and “up” state? Type your answers here. What part of the interface configuration is NOT displayed in the command output? Type your answers here. What commands can you use to verify this part of the configuration? Type your answers here. b. Use the show ip route command on both R1 and R2 to view the current routing tables and answer the following questions: Questions: 1) How many connected routes (uses the C code) do you see on each router? Type your answers here. 2) How many OSPF routes (uses the O code) do you see on each router? Type your answers here. 3) If the router knows all the routes in the network, then the number of connected routes and dynamically learned routes (OSPF) should equal the total number of LANs and WANs. How many LANs and WANs are in the topology? Type your answers here. 4) Does this number match the number of C and O routes shown in the routing table? Type your answers here. Note : If your answer is “no”, then you are missing a required configuration. Review the steps in Part 2. Step 2: Test end-to-end connectivity across the network. You should now be able to ping from any PC to any other PC on the network. In addition, you should be able to ping the active interfaces on the routers. For example, the following tests should be successful: • From the command line on PC1, ping PC4.

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Packet Tracer - Connect a Router to a LAN © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 5 of 5 www.netacad.com • From the command line on R2, ping PC2. Note : For simplicity in this activity, the switches are not configured. You will not be able to ping them. End of document

PT Lab 10.3.4 - Connect a Router to a LAN Submit screenshot of Assessment Items tab

 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 3 www.netacad.com Packet Tracer - Troubleshoot Default Gateway Issues Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 192.168.10.1 255.255.255.0 N/A R1 G0/1 192.168.11.1 255.255.255.0 N/A S1 VLAN 1 192.168.10.2 255.255.255.0 blank S2 VLAN 1 192.168.11.2 255.255.255.0 blank PC1 NIC 192.168.10.10 255.255.255.0 blank PC2 NIC 192.168.10.11 255.255.255.0 blank PC3 NIC 192.168.11.10 255.255.255.0 blank PC4 NIC 192.168.11.11 255.255.255.0 blank Objectives Part 1: Verify Network Documentation and Isolate Problems Part 2: Implement, Verify, and Document Solutions Background For a device to communicate across multiple networks, it must be configured with an IP address, subnet mask, and a default gateway. The default gateway is used when the host wants to send a packet to a device on another network. The default gateway address is generally the address of the router interface which is attached to the local network that the host is connected to. In this activity, you will finish documenting the network. You will then verify the network documentation by testing end-to-end connectivity and troubleshooting issues. The troubleshooting method you will use consists of the following steps: a. Verify the network documentation and use tests to isolate problems. b. Determine an appropriate solution for a given problem. c. Implement the solution. d. Test to verify the problem is resolved. e. Document the solution. Throughout your CCNA studies, you will encounter different descriptions of the troubleshooting method, as well as different ways to test and document issues and solutions. This is intentional. There is no set standard or template for troubleshooting. Each organization develops unique processes and documentation standards (even if that process is “we don’t have one”). However, all effective troubleshooting methodologies generally include the steps above. Note : If you are proficient with default gateway configurations, this activity might seem more involved than it should be. You can, most likely, quickly discover and solve all the connectivity issues faster than following these procedures. However, as you proceed in your studies, the networks and problems you encounter will become increasingly more complex. In such situations, the only effective way to isolate and solve issues is to use a methodical approach such as the one used in this activity.

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Packet Tracer - Troubleshoot Default Gateway Issues  2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 3 www.netacad.com Instructions Part 1: Verify Network Documentation and Isolate Problems In Part 1 of this activity, complete the documentation and perform connectivity tests to discover issues. In addition, you will determine an appropriate solution for implementation in Part 2. Step 1: Verify the network documentation and isolate any problems. a. Before you can effectively test a network, you must have complete documentation. Notice in the Addressing Table that some information is missing. Complete the Addressing Table by filling in the missing default gateway information for the switches and the PCs. b. Test connectivity to devices on the same network. By isolating and correcting any local access issues, you can better test remote connectivity with the confidence that local connectivity is operational. A verification plan can be as simple as a list of connectivity tests. Use the following tests to verify local connectivity and isolate any access issues. The first issue is already documented, but you must implement and verify the solution during Part 2. Testing and Verification Documentation Test Successful? Issues Solution Verified PC1 to PC2 No IP address on PC1 Change PC1 IP address blank PC1 to S1 blank blank blank blank PC1 to R1 blank blank blank blank blank blank blank blank blank Blank blank blank blank blank Note : The table is an example; use the table at the end of these instructions to document any problems. c. Test connectivity to remote devices (such as from PC1 to PC4) and document any problems. This is frequently referred to as end-to-end connectivity . This means that all devices in a network have the full connectivity allowed by the network policy. Note : Remote connectivity testing may not be possible yet, because you must first resolve local connectivity issues. After you have solved those issues, return to this step and test connectivity between networks. Step 2: Determine an appropriate solution for the problem. a. Using your knowledge of the way networks operate and your device configuration skills, search for the cause of the problem. For example, S1 is not the cause of the connectivity issue between PC1 and PC2. The link lights are green and no configuration on S1 would cause traffic to not pass between PC1 and PC2. So the problem must be with PC1, PC2, or both. b. Verify the device addressing to ensure it matches the network documentation. For example, the IP address for PC1 is incorrect as verified with the ipconfig command. c. Suggest a solution that you think will resolve the problem and document it. For example, change the IP address for PC1 to match the documentation. Note : Often there is more than one solution. However, it is a troubleshooting best practice to implement and verify one solution at a time. Implementing more than one solution could introduce additional issues in a more complex scenario.

Packet Tracer - Troubleshoot Default Gateway Issues  2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 3 of 3 www.netacad.com Part 2: Implement, Verify, and Document Solutions In Part 2 of this activity, you will implement the solutions you identified in Part 1. You will then verify the solution worked. You may need to return to Part 1 to finish isolating all the problems. Step 1: Implement solutions to connectivity problems. Refer to your documentation in Part 1. Choose the first issue and implement your suggested solution. For example, correct the IP address on PC1. Step 2: Verify that the problem is now resolved. a. Verify your solution has solved the problem by performing the test you used to identify the problem. For example, can PC1 now ping PC2? b. If the problem is resolved, indicate so in your documentation. For example, in the table above, a simple checkmark would suffice in the “Verified” column. Step 3: Verify that all issues are resolved. a. If you still have an outstanding issue with a solution that has not yet been implemented, return to Part 2, Step 1. b. If all your current issues are resolved, have you also resolved any remote connectivity issues (such as can PC1 ping PC4)? If the answer is no, return to Part 1, Step 1c to test remote connectivity. Test Successful? Issues Solution Verified PC1 to PC2 No IP address on PC1 Change PC1 IP address blank PC1 to S1 blank blank blank blank PC1 to R1 blank blank blank blank blank blank blank blank blank Blank blank blank blank blank

PT Lab 10.3.5 - Troubleshoot Default Gateway Issues Submit screenshot of Overall Feedback tab

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© 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 2 www.netacad.com Packet Tracer - Basic Device Configuration Topology You will receive one of three possible topologies. Addressing Table Device Interface IP Address Default Gateway blank G0/0 blank N/A G0/1 blank N/A blank VLAN 1 blank blank blank VLAN 1 blank blank blank NIC blank blank blank NIC blank blank blank NIC blank blank blank NIC blank blank Objectives • Complete the network documentation. • Perform basic device configurations on a router and a switch. • Verify connectivity and troubleshoot any issues. Scenario Your network manager is impressed with your performance in your job as a LAN technician. She would like you to demonstrate your ability to configure a router that connects two LANs. Your tasks include configuring basic settings on a router and a switch using the Cisco IOS. You will also configure IPv6 addresses on network devices and hosts. You will then verify the configurations by testing end-to-end connectivity. You goal is to establish connectivity between all devices. Note: The VLAN1 interface on will not be reachable over IPv6. In this activity you will configure the router, switch, and the PC hosts . Note: Packet Tracer will not score some configured values, however these values are required to accomplish full connectivity in the network. Requirements • Provide the missing information in the Addressing Table. • Name the router and the second switch . You will not be able to access the switch. • Use cisco as the user EXEC password for all lines.

Packet Tracer - Basic Device Configuration © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 2 www.netacad.com • Use class as the encrypted privileged EXEC password. • Encrypt all plaintext passwords. • Configure an appropriate banner. • Configure IPv4 and IPv6 addressing for the switch according to the Addressing Table. • Configure IPv4 and IPv6 addressing for the switch according to the Addressing Table. • The hosts are partially configured. Complete the IPv4 addressing, and fully configure the IPv6 addresses according to the Addressing Table. • Document interfaces with descriptions, including the VLAN 1 interface. • Save your configurations. • Verify connectivity between all devices. All devices should be able to ping all other devices with IPv4 and IPv6. • Troubleshoot and document any issues. • Implement the solutions necessary to enable and verify full end-to-end connectivity. Note : Click Check Results button to see your progress. Click the Reset Activity button to generate a new set of requirements. End of document

PT Lab 10.4.3 - Basic Device Configuration Submit screenshot of Assessment Items tab

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© 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 1 of 6 www.netacad.com Lab - Build a Switch and Router Network Topology Addressing Table Device Interface IP Address / Prefix Default Gateway R1 G0/0/0 192.168.0.1 /24 N/A R1 G0/0/0 2001:db8:acad::1/64 N/A R1 G0/0/0 fe80::1 N/A R1 G0/0/1 192.168.1.1 /24 N/A R1 G0/0/1 200:db8:acad:1::1/64 N/A R1 G0/0/1 fe80::1 N/A S1 VLAN 1 192.168.1.2 /24 192.168.1.1 PC-A NIC 192.168.1.3 /24 192.168.1.1 PC-A NIC 2001:db8:acad:1::3/64 fe80::1 PC-B NIC 192.168.0.3 /24 192.168.0.1 PC-B NIC 2001:db8:acad::3/64 fe80::1 Objectives Part 1: Set Up the Topology and Initialize Devices Part 2: Configure Devices and Verify Connectivity Background / Scenario This is a comprehensive lab to review previously covered IOS commands. In this lab, you will cable the equipment as shown in the topology diagram. You will then configure the devices to match the addressing table. After the configurations have been saved, you will verify your configurations by testing for network connectivity. After the devices have been configured and network connectivity has been verified, you will use IOS commands to retrieve information from the devices to answer questions about your network equipment. This lab provides minimal assistance with the actual commands necessary to configure the router. Test your knowledge by trying to configure the devices without referring to the content or previous activities. Note : The routers used with CCNA hands-on labs are Cisco 4221 with Cisco IOS XE Release 16.9.4 (universalk9 image). The switches used in the labs are Cisco Catalyst 2960s with Cisco IOS Release 15.2(2)

Lab - Build a Switch and Router Network © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 2 of 6 www.netacad.com (lanbasek9 image). Other routers, switches, and Cisco IOS versions can be used. Depending on the model and Cisco IOS version, the commands available and the output produced might vary from what is shown in the labs. Refer to the Router Interface Summary Table at the end of the lab for the correct interface identifiers. Note : Ensure that the routers and switches have been erased and have no startup configurations. Consult with your instructor for the procedure to initialize and reload a router and switch. The default bias template used by the Switch Database Manager (SDM) does not provide IPv6 address capabilities. Verify that SDM is using either the dual-ipv4-and-ipv6 template or the lanbase-routing template. The new template will be used after reboot even if the configuration is not saved. S1# show sdm prefer Use the following commands to assign the dual-ipv4-and-ipv6 template as the default SDM template. S1# configure terminal S1(config)# sdm prefer dual-ipv4-and-ipv6 default S1(config)# end S1# reload Required Resources • 1 Router (Cisco 4221 with Cisco IOS XE Release 16.9.4 universal image or comparable) • 1 Switch (Cisco 2960 with Cisco IOS Release 15.2(2) lanbasek9 image or comparable) • 2 PCs (Windows with a terminal emulation program, such as Tera Term) • Console cables to configure the Cisco IOS devices via the console ports • Ethernet cables as shown in the topology Note : The Gigabit Ethernet interfaces on Cisco 4221 routers are autosensing and an Ethernet straight- through cable may be used between the router and PC-B. If using another model Cisco router, it may be necessary to use an Ethernet crossover cable. Instructions Part 1: Set Up Topology and Initialize Devices Step 1: Cable the network as shown in the topology. a. Attach the devices shown in the topology diagram, and cable, as necessary. b. Power on all the devices in the topology. Step 2: Initialize and reload the router and switch. If configuration files were previously saved on the router and switch, initialize and reload these devices back to their default configurations. Part 2: Configure Devices and Verify Connectivity In Part 2, you will set up the network topology and configure basic settings, such as the interface IP addresses, device access, and passwords. Refer to the Error! Reference source not found. and Error! Re ference source not found. at the beginning of this lab for device names and address information. Step 1: Assign static IP information to the PC interfaces. a. Configure the IP address, subnet mask, and default gateway settings on PC-A.

Lab - Build a Switch and Router Network © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 3 of 6 www.netacad.com b. Configure the IP address, subnet mask, and default gateway settings on PC-B. c. Ping PC-B from a command prompt window on PC-A. Note : If pings are not successful, the Windows Firewall may need to be turned off. Question: Why were the pings not successful? Type your answers here. Step 2: Configure the router. a. Console into the router and enable privileged EXEC mode. Open configuration window b. Enter configuration mode. c. Assign a device name to the router. d. Disable DNS lookup to prevent the router from attempting to translate incorrectly entered commands as though they were host names. e. Assign class as the privileged EXEC encrypted password. f. Assign cisco as the console password and enable login. g. Assign cisco as the VTY password and enable login. h. Encrypt the plaintext passwords. i. Create a banner that warns anyone accessing the device that unauthorized access is prohibited. j. Configure and activate both interfaces on the router. k. Configure an interface description for each interface indicating which device is connected to it. l. To enable IPv6 routing, enter the command ipv6 unicast-routing. R1(config)# ipv6 unicast-routing m. Save the running configuration to the startup configuration file. n. Set the clock on the router. Note : Use the question mark ( ? ) to help with the correct sequence of parameters needed to execute this command. Close configuration window o. Ping PC-B from a command prompt window on PC-A. Note : If pings are not successful, the Windows Firewall may need to be turned off. Question: Were the pings successful? Explain. Type your answers here. Step 3: Configure the switch. In this step, you will configure the hostname, the VLAN 1 interface and its default gateway. Open configuration window a. Console into the switch and enable privileged EXEC mode. b. Enter configuration mode. c. Assign a device name to the switch.

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Lab - Build a Switch and Router Network © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 4 of 6 www.netacad.com d. Disable DNS lookup to prevent the router from attempting to translate incorrectly entered commands as though they were host names. e. Configure and activate the VLAN interface on the switch S1. f. Configure the default gateway for the switch S1. g. Save the running configuration to the startup configuration file. Step 4: Verify connectivity end-to-end connectivity. a. From PC-A, ping PC-B. b. From S1, ping PC-B. All the pings should be successful. Close configuration window Part 3: Display Device Information In Part 3, you will use show commands to retrieve interface and routing information from the router and switch. Step 1: Display the routing table on the router. a. Use the show ip route command on the router R1 to answer the following questions. Open configuration window Questions: What code is used in the routing table to indicate a directly connected network? Type your answers here. How many route entries are coded with a C code in the routing table? Type your answers here. What interface types are associated to the C coded routes? Type your answers here. b. Use the show ipv6 route command on router R1 to display the IPv6 routes. Step 2: Display interface information on the router R1. a. Use the show ip interface g0/0/1 to answer the following questions. Questions: What is the operational status of the G0/0/1 interface? Type your answers here. What is the Media Access Control (MAC) address of the G0/1 interface? Type your answers here. How is the Internet address displayed in this command? Type your answers here.

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Lab - Build a Switch and Router Network © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 5 of 6 www.netacad.com b. For the IPv6 information, enter the show ipv6 interface interface command. Step 3: Display a summary list of the interfaces on the router and switch. There are several commands that can be used to verify an interface configuration. One of the most useful of these is the show ip interface brief command. The command output displays a summary list of the interfaces on the device and provides immediate feedback to the status of each interface. a. Enter the show ip interface brief command on the router R1. R1# show ip interface brief b. To see the IPv6 interface information, enter the show ipv6 interface brief command on R1. R1# show ipv6 interface brief Close configuration window c. Enter the show ip interface brief command on the switch S1. Open configuration window S1# show ip interface brief Close configuration window Reflection Questions 1. If the G0/0/1 interface showed that it was administratively down, what interface configuration command would you use to turn the interface up? Type your answers here. 2. What would happen if you had incorrectly configured interface G0/0/1 on the router with an IP address of 192.168.1.2? Type your answers here. Router Interface Summary Table 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 (S0/1/1) 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) 4221 Gigabit Ethernet 0/0/0 (G0/0/0) Gigabit Ethernet 0/0/1 (G0/0/1) Serial 0/1/0 (S0/1/0) Serial 0/1/1 (S0/1/1)

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Lab - Build a Switch and Router Network © 2013 - 2021 Cisco and/or its affiliates. All rights reserved. Cisco Public Page 6 of 6 www.netacad.com Router Model Ethernet Interface #1 Ethernet Interface #2 Serial Interface #1 Serial Interface #2 4300 Gigabit Ethernet 0/0/0 (G0/0/0) Gigabit Ethernet 0/0/1 (G0/0/1) Serial 0/1/0 (S0/1/0) Serial 0/1/1 (S0/1/1) 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. End of Document

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