The number of ports vary with the router - some as few as 4, and some many more than that.
A router will typically support between 4 and 8 ports. For additional ports, a standard Ethernet switch can be connected to one of the ports.
You have to setup a router and open the ports in the router for this purpose. But Pacenet have blocked many ports so you can go to their local office and ask them to open the ports.
65536 virtual ports. Port number is a 16 bit number, so there are 2^16 (65536) ports for a NAT router.
yes router forward traffic to all ports.
It depends on how many interfaces of router are connected to other networks. If a router is connected to two network, it will have 2 IP addresses. In a router having 4 ports it can connect to maximum 4 networks. In this case it will have 4 IP addresses.
the router as ports commonly used for lan cannection is (Ethernet)
A switch cannot function as a router. But you can plug a switch in to one of the ports on the router if you need additional ports.
2 Ports on the router however you can add more cards to the device. In a 2821 you can add 4 cards such as WICs and in a 2811 you can add 2 cards.
Connect the broadband connection to a router, and connect the router ports to the individual systems. If necessary, extend the number of ports on the router by attaching a switch to one of the router ports and attaching multiple clients to the switch.
It depends on how many subnets you have and how many ports you router has. Usually each port in router is devoted to on subnet, you can do math for your situation.
The Netgear WGR614 has four wired ports, which is probably enough for most home networks.