Netpractice 42 Tutorial ^hot^ Jun 2026

: Add "Next Hop" addresses for destinations outside the local subnet. Validate : Use a Subnet Calculator to verify your ranges. 💡 Pro Tips for Success

| Mistake | Fix | |---------|-----| | Using same IP twice | Each interface must have unique IP | | Wrong mask on one side of link | Both ends must agree on network address | | Forgetting gateway on hosts | Hosts need default gateway for off-LAN traffic | | Routing through wrong next hop | Next hop must be directly reachable | | Misplacing router’s own interface IP | Router’s IP in a LAN is the gateway for that LAN | netpractice 42 tutorial

: A /30 mask only allows 2 usable host IPs—perfect for point-to-point router links. : Add "Next Hop" addresses for destinations outside