VLAN Trunking Protocol (VTP) and how it works
VLAN Trunking Protocol or VTP defines a Layer 2 messaging protocol that let the switches share VLAN configuration information so that the …
Cisco HSRP – What is Hot Standby Router Protocol
HSRP or Hot Standby Router Protocol is Cisco propriety protocol to provide redundancy in IP Network & ensure that in case Gateway …
How Firewall Works
What is Firewall ? A firewall is a network security device that monitors outgoing and incoming network traffic and protects the internal …
Committed Information Rate (CIR)
Committed Information Rate (CIR) – Within the frame relay network the (CIR) represents the average bandwidth for a circuit that an ISP …