A router interface must have an IP address that belongs to the subnet it is connected to.
: A shorthand for masks (e.g., /24 equals 255.255.255.0 ). netpractice 42 tutorial
Dest 192.168.1.0/24 via 10.0.0.1
Click on each router and look at the "Destination" field in its table. If the destination network is not listed, the packet is dropped. A router interface must have an IP address
| Prefix | Mask | Usable IPs per subnet | |--------|------|------------------------| | /24 | 255.255.255.0 | 254 | | /30 | 255.255.255.252 | 2 (perfect for two routers) | | /16 | 255.255.0.0 | 65534 | | /8 | 255.0.0.0 | 16 million+ | netpractice 42 tutorial
Two devices can only communicate directly if they share the same network ID (after applying their respective subnet masks).