Difference between Routers and Bridges


Difference between Routers and Bridges

Distinguish, differentiate, compare and explain what is the Difference between Routers and Bridges. Comparison and Differences.

Bridges

Bridges operates in both the physical and the data link layer. As a physical layer device, it regenerates the signal it receives. As a data link layer device, the bridge can check the PHYSICAL/MAC addresses (source and destination) contained in the frame. A bridge has a table used in filtering decisions. It can check the destination address of a frame and decide if the frame should be forwarded or dropped. If the frame is to be forwarded, the decision must specify the port. A bridge has a table that maps address to ports. Limit or filter traffic keeping local traffic local yet allow connectivity to other parts (segments).

Routers

Routers are identified as Layer-3 devices, as routers process logical addressing information in the Network header of a packet (such as IP addresses).

Difference between Routers and Bridges

S.No. Routers Bridges
1 Router operates in network layer of OSI Model. Bridge operates in data link layer of OSI Model.
2 Use to connect the LAN and WAN. Use to connect two different LAN segments.
3 Transmits data in the form of packets. Transmits data in the form frames.
4 Reads the IP Address of a device. Reads the MAC Address of a device..
5 Has more ports compare to bridges. Has only two ports.
6 Uses routing table for sending data. Does not use any routing table for sending data.

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Difference between Bridges vs Routers

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