Prerequisite – Network Devices Bridge: Bridge is a network device which works in data link layer. Bridge connects two different LAN working on same protocol. Also In bridge, format of packet is not changed.
Gateway: Gateway works in OSI model’s all layer. It converts the protocol. Gateway will settle for and transfer the packet across networks employing a completely different protocol. In gateway, format of packet is changed which oppose to the bridge.
Now, we shall discuss the difference between bridge and gateway:
| S.NO |
Bridge |
Gateway |
| 1. |
Bridge works in data link layer. |
While it works in all layer. |
| 2. |
Bridge connects two different LANs. |
While it converts the protocol. |
| 3. |
Bridge connects two different LAN working on same protocol. |
While gateway will settle for and transfer the packet across networks employing a completely different protocol. |
| 4. |
In bridge, data or information is in the form of packet. |
Whereas in gateway, data or information is also in the form of packet. |
| 5. |
In bridge, format of packet is not changed. |
While in gateway, format of packet is changed. |
| 6. |
Bridge is not installed in router. |
While it installed in router. |
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Last Updated :
21 Feb, 2023
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