This post briefly describes the basic theory of operation of a L2 Switch or a bridge. It basically takes about Address Learning, L2 Forwarding and Ageing of Entries.
Data Link Layer
Basic Theory of Operation of a L2 Switch or Bridge
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Data Link Layer
What is a Layer2 Switch and how is it different from other network devices like Repeaters, Bridges and Routers?
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This post gives a brief overview of the role of a L2 Switch. Additionally, it also talks about the differences between a L2 Switch and other network devices like Repeaters, Bridges and Routers.
Data Link Layer
Connectivity methods used in Ethernet Networks
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This post gives a brief overview of the two basic methods of connecting end nodes in an Ethernet Network, namely bus and point to point connections. It illustrates each type of network with examples. It also includes an example for a hybrid Ethernet network consisting of both type of connections.
Data Link Layer
Overview of the Ethernet Protocol and its types
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This post gives a brief overview of the Ethernet protocol, its basic frame structure, it variants and the CSMA/CD protocol.
Transport Layer
Overview of the UDP protocol
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This post gives a brief overview of the UDP protocol, including the properties of UDP, its theory of operation and the structure of UDP headers, pseudo headers and UDP encapsulations.
Computer Networking Overview
Different types of node to node communications used in Computer Networks
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This post gives an overview of the different types of node to node communication used in Computer Networking. Specifically it describes Unicasting, Multicasting, Broadcasting and Anycasting.
Transport Layer
Functional Overview of Transport Layer
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This post gives a brief overview of the functions provided by the Transport Layer. Functions described include reliability, flow control, congestion control, application layer multiplexing/demultiplexing and sockets.
Network Layer
Overview of functions provided by the IP protocol
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This post gives a brief functional overview of the IP protocol, along with its basic theory of operation.
Network Layer
Overview of Network Layer Functionality
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This post gives a very brief overview of the functions of the Network Layer, including routing and forwarding.
Computer Networking Overview
Overview of different types of addressing used in Networking
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This post gives a brief overview of the different types of addressing used in Computer Networking. Specifically, it covers MAC addresses, IP addresses and port numbers.