Router

• It is used to connect to different networks.
• It is used to make connection between the WAN and LAN.
• Uses the IP Address and MAC Address to pass the packets.

ROUTER WORKING :

• Casually the IP of organisation is different from the ISP IP.
• To communicate between two branches we use the router.
• Basically router checks the packets IP Address,
•  If it is there in routing table it sends to that network.
• If not sends to the public network.

ROUTER TYPES:

NETWORK ROUTERS:

• Only it works as the router.
• Used in higher organisation for better networking.
• Better for routing the multiple networks.
• Provides alternate network, with out any physical change.
• Below is the image of the router.

• Network Topology of the router

ACCESS POINT:

• Access Point is used to generate the Wired Network as Wireless Local Network (WLAN).
• These for used in higher organisation to provide WiFi for the wireless devices.

ROUTER ALL IN ONE:

• It contains the functionality of the switch, routing and Access Point.
• Basically it contains the  2 to 8 LAN ports for distribution of data(Act as a switch ports).
• Inbuilt antenna for producing the WiFi(Acts as Access Point).
• It contains single WAN port for connecting to WAN network.
• We can make switch ports as router ports to connect to the other router by this port.