In this tutorial i will show you how to install Backtrack 5 R3 in Vmware workstation 8, it is recently released by offensive security team and it is used by penetration testers world wide. Installation is easy just follow given simple steps. Requirements1 :…
Originally, this exercise was performed on the Cisco Nexus 7000 (N7K) Titanium emulator, a tool that was instrumental for hands-on learning over a decade ago. While the foundational concepts of Virtual Routing and Forwarding (VRF) and Open Shortest Path First…
This lab has been completed on Nexus 7010 with the following hardware and software installed; you can take a look at Cisco Nexus 7000 user accounts and RBAC in my previous post. In this task, we will configure ACLs using…
This is a step-by-step guide for configuring a site-to-site VPN tunnel on a legacy Cisco ASA 8.4 appliance using IKEv1. This article is preserved for archival purposes and describes outdated, insecure protocols.
A comprehensive guide to understanding and configuring Role-Based Access Control (RBAC) on Cisco Nexus switches. Learn the difference between IOS privilege levels and NX-OS user roles, explore default roles, and follow a step-by-step tutorial to create and apply custom roles for granular access control in your data center.
GLBP stands for Gateway Load Balancing Protocol and it is a Cisco proprietary First Hop Redundancy Protocol that attempts to overcome the limitations of existing redundant router protocols by adding basic load balancing functionality. In addition, it allows one virtual router…
As network engineers, we often need to provide Cisco 'show tech-support' or other extensive CLI outputs to the Cisco TAC. This guide shows you how to easily configure PuTTY to log your entire session to a file, making it simple to capture and save large command outputs in one go.
⚠️ Legacy Technology Notice: This article covers legacy Cisco transparent bridging with IRB using deprecated bridge-group commands from classic IOS. These commands do not work on modern IOS-XE or IOS-XR platforms. This content is preserved for historical reference and exam…
In the dynamic world of network engineering, troubleshooting is a timeless skill. While protocols evolve and tools advance, the fundamental principles of packet analysis remain critical. This post, originally penned in 2011, explored a classic, albeit niche, trick to discover…
Today, we revisit a foundational Cisco feature: Optimized Edge Routing (OER), more commonly known now as Performance Routing (PfR). In 2011, we explored how this “brain” could monitor network paths and intelligently route traffic based on real-time metrics like jitter,…