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Configure IPSec VPN With Dynamic IP in Cisco IOS Router

Cisco IOS routers can be used to setup IPSec VPN tunnel between two sites. In this post, I will show steps to Configure IPSec VPN With Dynamic IP in Cisco IOS Router. This VPN configuration is different from Site to Site IPSec VPN with static IP address on both ends. Configure IPSec VPN With Dynamic IP in […]
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Configure Site to Site IPSec VPN Tunnel in Cisco IOS Router

IPSec VPN is a security feature that allow you to create secure communication  link (also called VPN Tunnel) between two different networks located at different sites. Cisco IOS routers can be used to setup VPN tunnel between two sites. Traffic like data, voice, video, etc. can be securely transmitted through the VPN tunnel. In this post, […]
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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 […]
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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 […]
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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 […]
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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 […]