what is l2 and l3 switch?

Answer Posted / debadurlav saarangi

A l2 switch is work on mca address But l3 switch is work on
logical address.

when we have done the vlan in l2 switch, we are unable to
access the others vlans, which is configured in same switch.
But l3 switch it is possible through routing.

In l3 we can connect the WAN link. which is not possible in
L2 switch.

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