Understanding VLANs in Switching World

VLAN (Virtual Local Area Network) is a logical LAN that have separate broadcast domain. VLAN is often called LAN virtualization. VLAN groups ports of the switch and each group are given different VLAN-ID and VLAN name. Before getting deep into VLANs, we need to have understanding of broadcast domains and collision domains. Understanding VLANs in […]


Configure SSH Access in Cisco ASA

You can access Cisco ASA appliance using Command Line Interface (CLI) using either Telnet or SSH and for web-based graphical management using HTTPS (ASDM) management. Telnet uses TCP port 23 and is not secure. Secure Shell (SSH) on the other hand uses port 22 and is secure. SSH uses public key cryptography to authenticate remote […]


Reset Password in Cisco ASA Firewall

If for some reason, you are locked out of Cisco ASA firewall and don’t remember the password, then this is the procedure you should follow to recover the admin password. Reset Password in Cisco ASA Firewall Here are the steps to recover the password in Cisco ASA firewall, Step 1: Login to Cisco ASA device […]


Network Latency and Throughput

Network latency and Throughput are terms used in computer networks to define the state of connection between two end points. There are significant differences between these two terms. Network Latency and Throughput Network Latency In data network, latency means time when a particular packet takes to reach the destination from source. The term delay is […]

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