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How Does A Layer 2 Switch Differentiate Between Different Networks?

Should not all nodes can communicate with each other based on the fact that they all exist in a MAC-based world. The MAC layer of both Ethernet (802.3) and Wi-Fi (802.11) both use 48-bit addresses, ...
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How Does A Layer 2 Switch Differentiate Between Different Networks?

L2 switches work behaviour is checking the source and destination mac address and maintaining the mac address table. as per the mac table, it travels its frame source to destination.
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How Does A Layer 2 Switch Differentiate Between Different Networks?

The switch doesn't even "see" what is going on above MAC layer. However, hosts are usually configured to send packets to another IP subnet via a default-gateway IP address. So the hosts ...
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3 votes

How Does A Layer 2 Switch Differentiate Between Different Networks?

Commercial grade switches can be partitioned into Virtual LANS, or VLANs. Each VLAN is a logical switch - ports belonging to one VLAN cannot communicate with ports in another VLAN. If you connect two ...
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15 votes

How Does A Layer 2 Switch Differentiate Between Different Networks?

A (layer-2) switch doesn't care at all about the IP networks you run through it. however, no normal traffic can occur between two nodes on two different networks. That is correct. Different IP ...
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4 votes

How Does A Layer 2 Switch Differentiate Between Different Networks?

Enterprise-grade switches (what is on-topic here) use VLANs to separate traffic. Basically, VLAN partition a layer-2 switch into separate, unconnected, virtual switches, one for each VLAN on the ...
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