VLAN

VLAN – Virtual LAN

01 Divides one single Broadcast domain into Multiple Broadcast domains
02 Limit the number of broadcast
03 Layer 2 security and better performance
04 VLAN 1 is the default VLAN
05 We can create VLANs from 2 – 1001
06 It can be configured on a Manageable switches only
07 It works based on port numbers
08 Need to manually assign a port on a switch to a VLAN
09 One port can be a member of only one VLAN

Broadcast Domain:
Set of all devices that receive broadcast frames originating from any device within the set.
By default, broadcast goes to each and every device in the network
By default, there is only one broadcast domain