CertExams.com Simulator Lab Exercises Answers
Description: The purpose of this lab is to troubleshoot NAT on the source router (NAT inside source) and test for connectivity by pinging a remote router.
IP Address Assignment Table
| Device | Interface | IP Address | Mask |
| R1 | S0 E0 |
200.200.200.1 |
255.255.255.0 255.255.0.0 |
| R2 | S0 E0 |
200.200.200.2 10.1.1.4 |
255.255.255.0 255.0.0.0 |
| PC1 | 192.168.1.10 | 255.255.0.0 | |
| PC2 | 192.168.1.11 | 255.255.0.0 | |
| PC3 | 10.1.1.1 | 255.0.0.0 | |
| PC4 | 10.1.1.2 | 255.0.0.0 | |
| SW1 | 192.168.1.12 | 255.255.0.0 | |
| SW2 | 10.1.1.3 | 255.0.0.0 |
NAT Mapping Table for Inside Source
| Inside Local | Inside Global |
| 192.168.1.10 | 200.200.200.3 |
| 192.168.1.11 | 200.200.200.4 |
Instructions:
1. Test for Connectivity from PC1 to R2 (ping will not be successful)
2. Issue show ip nat translations command and see if nat mapping is done for PC1
3. Create ip nat mapping (inside) on R1 for PC1
4. Issue show ip nat translations command
5.
Test for Connectivity from PC1 to R2 and see that ping is
successful
Note: Please refer to the CertExams.com Network Simulator software for complete lab with commands.
