VLAN + IP addressing ka practical combination hai, jo real network setup mein har Network Engineer use karta hai. Main yahan simple aur clear steps mein samjhata hoon (Cisco Switch aur PC example ke sath). 🧱 Step 1: VLANs Create Karna (Switch par) Switch> enable Switch # configure terminal Switch(config) # vlan 10 Switch(config-vlan) # name HR Switch(config-vlan) # exit Switch(config) # vlan 20 Switch(config-vlan) # name IT Switch(config-vlan) # exit Switch(config) # vlan 30 Switch(config-vlan) # name ACCOUNTS Switch(config-vlan) # exit ✅ Ab VLANs switch ke andar ban chuki hain. 🔌 Step 2: Ports Assign Karna VLANs ko Har department ke PCs ko specific VLAN port pe connect karte ho. Example: Port VLAN Department FastEthernet 0/2-0/5 10 HR FastEthernet 0/6-0/9 20 IT FastEthernet 0/10-0/13 30 Accounts Commands: Switch(config) # interface range fa0/2 - 5 Switch(config-if-range) # switchport mode access Switch(config-if-range) # switchport access vlan 10 Switch(co...