Std_Practical Exercise 3 - Troubleshooting NAT Configurations (2)

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Chapter 7 / Exercise 7
Contemporary Project Management
Kloppenborg
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POLITEKNIK BALIK PULAU DEPARTMENT OF INFORMATION TECHNOLOGY & COMMUNICATION Practical Exercise 3 - Troubleshooting NAT Configurations Name : Date : Matrik number : Class : CLO3: Demonstrate a proper troubleshooting procedure for routers and switches and resolve common routing issues in both IPv4 and IPv6 networks. (A3, P4, PLO4, PLO2) Topology Addressing Table Device Interface IP Address Subnet Mask Default Gateway Gatewa y G0/1 192.168.1.1 255.255.255.0 N/A S0/0/1 209.165.200.22 5 255.255.255.25 2 N/A ISP S0/0/0 (DCE) 209.165.200.22 6 255.255.255.25 2 N/A Lo0 198.133.219.1 255.255.255.25 5 N/A PC-A NIC 192.168.1.3 255.255.255.0 192.168.1.1 PC-B NIC 192.168.1.4 255.255.255.0 192.168.1.1 Objectives Part 1: Build the Network and Configure Basic Device Settings Part 2: Troubleshoot Static NAT DFN3124 @ Politeknik Balik Pulau Page 1 of 5
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Chapter 7 / Exercise 7
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Kloppenborg
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Practical Exercise 3 - Troubleshooting NAT Configurations Part 3: Troubleshoot Dynamic NAT Background / Scenario In this lab, the Gateway router was configured by an inexperienced network administrator at your company. Several errors in the configuration have resulted in NAT issues. Your boss has asked you to troubleshoot and correct the NAT errors and document your work. Ensure that the network supports the following: PC-A acts as a web server with a static NAT and will be reachable from the outside using the 209.165.200.254 address. PC-B acts as a host computer and dynamically receives an IP address from the created pool of addresses called NAT_POOL, which uses the 209.165.200.240/29 range. Note : The routers used with CCNA hands-on labs are Cisco 1941 Integrated Services Routers (ISRs) with Cisco IOS Release 15.2(4)M3 (universalk9 image). The switches used are Cisco Catalyst 2960s with Cisco IOS Release 15.0(2) (lanbasek9 image). Other routers, switches and Cisco IOS versions can be used. Depending on the model and Cisco IOS version, the commands available and output produced might vary from what is shown in the labs. Refer to the Router Interface Summary Table at the end of this lab for the correct interface identifiers.

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