| Device | Interface | IP Address |
| PC1 | NIC | 192.168.1.10/24 |
| PC2 | NIC | 192.168.1.11/24 |
| PC3 | NIC | 192.168.2.10/24 |
| PC4 | NIC | 192.168.2.11/24 |
| R1 | lo | 192.168.1.100/24 |
| R1 | g1/0 | 192.168.1.1/24 |
| R1 | g3/0 | 192.168.2.1/24 |
| R1 | S4/0 | 10.1.1.1/24 |