Private Vlans:
Evolution of PVLANS :
Vlans=Virtual Lans
1) Layer 2 broadcast Domain segmented into Logical networks.
2) Each Vlan has it own Ip Subnet and layer three device like router or a layer three Switch is needed to route traffice between Vlans.
VLan ID: 0 to 4095 and if these are not enough for we go for private Vlans.
Private Vlans :
Pvlans segment a vlan into more vlans.PVlans allow us to isolate traffic (at layer2) between machines in the Vlans
Reqirments :DVSWITCH (Enterprise plus)
PVLANS Types:Primary or promiscus,isolated & comminity
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