Since it is your router, you should know how to and be able to connect to it and log in. A list of client devices or connected devices should available through a manage, security, or advanced tab or option.
There are programs you can use to scan your network and determine what is connected. One such program is called Angry IP Scanner (angryip). It is a free. It scans your network addresses (or parts of it) using various methods to determine if an address exists, what kind of machine is at that address, and what server capabilities (ports) are open there.
The number of devices you can link to a router will depend on the specific router,typically 4 devices can be connected.
You can access the router's menu, then go to the page which shows all connected devices to your router. It will be different for each specific router.
there can be many devices connected between a router and a switch the most popular items are firewall , ips , ids there are other devices such as network management tools
Use a switch
It has to always be broadcasting radio waves otherwise no devices will ever find the router.
The network is connected togother by a hub, switch or router.
In order for you to have internet, the router should be connected to a cable modem or another switch or wireless router which already have internet access.
no
Yes, and you can connect many more devices. The router should have at least 4 ethernet ports to connect to. And/or you can connect wireless also. If you have more then 4 wired devices then you can use a 4, 8, or 16 port ethernet Switch to connect to the Router. Myself I have 3 desktops (wired), 3 wireless and 1 wired laptops, an X-Box 360 (wired), a Wii (wireless), a BlueRay player (wireless) and a Brother laser printer (wireless) connected to the router. (1 desktop, 1 laptop and the X-Box are hooked to the Router and the rest of the wired devices are connected to an 8 port ethernet Switch which is connected to the Router.)
Configure the router ID on both routers. Configure the R2 router interfaces for area 0. Configure a loopback interface on both routers. Configure the proper subnet masks on the router interfaces.
You should be able to check how many computers are connected to your router, in the router settings. Most likely you can find it in "Status" for wireless network or for all networks. You check MAC addresses for all your computers connected to the router and compare it with those in the list. In that way you know if you have some "guests". You find out who connected to your router will be much harder and require special software and training.PS: you can use MAC filter to block "guests".
Every networkable device has a unique MAC code assigned by the manufacturer. The router reads this MAC code and associates it with a unique internal IP address within the range it manages, making it possible for devices across that range to communicate with each other and, through the router, with network devices beyond the router itself