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Jan 9, 2024

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Addressing Table Device Interface IP Address Subnet Mask Default Gateway R1 G0/0 172.16.1.1 255.255.255.0 N/A R1 G0/1 172.16.2.1 255.255.255.0 N/A R1 S0/0/0 209.165.200.226 255.255.255.252 N/A R2 G0/0 209.165.201.1 255.255.255.224 N/A R2 S0/0/0 (DCE) 209.165.200.225 255.255.255.252 N/A PC-01 NIC 172.16.1.3 255.255.255.0 172.16.1.1 PC-02 NIC 172.16.1.4 255.255.255.0 172.16.1.1 PC-A NIC 172.16.2.3 255.255.255.0 172.16.2.1 PC-B NIC 172.16.2.4 255.255.255.0 172.16.2.1 Web NIC 209.165.201.2 255.255.255.224 209.165.201.1 DNS1 NIC 209.165.201.3 255.255.255.224 209.165.201.1 DNS2 NIC 209.165.201.4 255.255.255.224 209.165.201.1 Objectives In this Packet Tracer activity, you will troubleshoot and resolve connectivity issues, if possible. Otherwise, the issues should be clearly documented so they can be escalated. Background / Scenario Users are reporting that they cannot access the web server, www.cisco.pka after a recent upgrade that included adding a second DNS server. You must determine the cause and attempt to resolve the issues for the users. Clearly document the issues and any solution(s). You do not have access to the devices in the cloud or the server www.cisco.pka . Escalate the problem if necessary. Note: Router R1 can only be accessed using SSH with the username Admin01 and password cisco12345 . Router R2 is in the ISP cloud and is not accessible by you. Instructions Determine connectivity issues from PC-01. On PC-01, open the command prompt. Enter the command ipconfig to verify what IP address and default gateway have been assigned to PC-01. Correct as necessary according to the Addressing Table. After verifying/correcting the IP addressing issues on PC-01, issue pings to the default gateway, web server, and other PCs. Were the pings successful? Record the results.
Questions: Ping to default gateway (172.16.1.1)? Yes To web server (209.165.201.2)? Yes Ping to PC-02? Yes To PC-A? No To PC-B? No Use the web browser to access the web server on PC-01. Access the web server by first entering the URL http://www.cisco.pka and then by using the IP address 209.165.201.2. Record the results. Questions: Can PC-01 access www.cisco.pka ? Yes Using the web server IP address? Yes Document the issues and provide the solution(s). Correct the issues if possible. You have to change the ip address from 172.168.1.3 to 172.16.1.3 PC01 cant successfully ping the PCs on 172.16.2.0 Determine connectivity issues from PC-02. On PC-02, open the command prompt. Enter the command ipconfig to verify the configuration for the IP address and default gateway. Correct as necessary. After verifying/correcting the IP addressing issues on PC-02, issue pings to the default gateway, web server, and other PCs. Were the pings successful? Record the results. Questions: Ping to default gateway (172.16.1.1)? Yes To web server (209.165.201.2)? Yes Ping to PC-01? Yes To PC-A?
No To PC-B? No Navigate to www.cisco.pka using the web browser on PC-02. Record the results. Questions: Can PC-02 access www.cisco.pka ? Yes Using the web server IP address? Yes Document the issues and provide the solution(s). Correct the issues if possible. The defult gateway needs to be configured on pc 02 as 172.16.1.1 Determine connectivity issues from PC-A. On PC-A, open the command prompt. Enter the command ipconfig to verify the configuration for the IP address and default gateway. Correct as necessary. After correcting the IP addressing issues on PC-A, issue the pings to the web server, default gateway, and other PCs. Were the pings successful? Record the results. Questions: To web server (209.165.201.2)? No Ping to default gateway (172.16.2.1)? No Ping to PC-B? Yes To PC-01? No To PC-02? No Navigate to www.cisco.pka using the web browser on PC-A. Record the results. Questions: Can PC-A access www.cisco.pka ? No Using the web server IP address? No Document the issues and provide the solution(s). Correct the issues if possible. The interface g0/1 on router r1 is not correctly configured
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