A router passes traffic between networks to reach other computers or servers. A router also does NAT. Nat masquerades traffic behind the router with private IP(Non-internet route able) with the Public IP (Internet route able)
Entire chapters in the Cisco Networking Academy are dedicated to this topic. But basically, a router looks at the IP packet, and compares it to its routing table. The routing table says, for example,...
There are several ways to connect two routers together. I'm assuming this question is referring to an ethernet cable. However, the most common way is with a serial crossover cable, in which one...
It must be an IP address in the same subnet. Other than that, the network designer has the flexibility to assign any IP address in the same subnet. Quite often, the first or last IP addresses in a...