When you first install a router, before you do anything else, change your router password and disable the wireless network until you have time to set up and test the wireless security.
It is always good practice to change the default password to something else. If it is a wireless router you should also change the default SSID and enable an encryption method.
To do this you should consult the manual, and your internet provider.
Configuration > Rescue
Typing in 192.168.1.1 into a web browser should open the router configuration page. From here, login data specified by the provider will need to be inputted in order to access the configuration page.
Update the configuration logs
a router is a device which need to be configured b4 online. Router configuration means What the router should do for us. it is a program containg the ip address the subnet mask the hostname ..
You will need to access your wireless router's configuration. There should be a section for Wireless security, then there should be a section for MAC filter. Can't give specifics as you didn't mention the brand.
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Between the modem and the computers.
Between the cable modem and the workstations.
You should use so called "Bridge" configuration.
from the global configuration mode