I have a physical VM existing in one network and a c3660 R1 router in a different network within GNS3. I aim to establish connectivity between router R1 and my VM.

The details for the VM and R1 router are as follows: VM IP address is 10.200.2.180, subnet mask is 255.255.255.0, gateway is 10.200.2.250, and the network interface is ens160. The router’s IP address is 10.1.2.23, subnet mask is 255.255.255.0, gateway is 10.1.2.0, and the network interface is FastEthernet 0/0. The routing configuration for R1 is displayed as follows: R1#show ip route C 10.1.2.0 is directly connected to FastEthernet0/0, C 10.2.2.0 is directly connected to FastEthernet0/1, and S* 10.200.2.0 [1/0] via 10.1.2.0. To address the issue, I have added routing on both ends: on the VM with ‘sudo ip route add 10.1.2.0/24 via 10.200.2.1 dev ens160’, and on R1 with ‘ip route 10.200.2.0 255.255.255.0 FastEthernet0/1’. However, pinging the router R1’s IP address (10.1.2.23) from the VM is not successful, and pinging the VM’s IP address (10.200.2.180) from the router R1 is also not successful. Please help for solving this issue, I was trying from one week onwards as I don’t much about networking.

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