How to upgrade Titanium VMware image running on Qemu

Following steps help you to upgrade your Titanium VMware image version 5.1.2 to  version 5.2.1 or higher. Prerequesities Host system – any Linux OS Guest system –  Titanium 5.1.2 installed on VMware image Emulator – any version Qemu able to run vmdk images Titanium binaries – titanium-d1.6.2.1.bin  and titanium-d1-kickstart.6.2.1.bin 1. Use Qemu to boot VMware Titanium image […]
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How to connect Cisco NX-OS emulator - Titanium 5.1.2 - installed on VMware to GNS3

Titanium is Cisco Nexus Operating System NX-OS emulator made by Cisco. A copy of Titanium 5.1.(2) installed on VMware image has recently leaked to the Internet and now we can use it for our studies. The tutorial shows how to do connect Titanium VMware image to GNS3 using Qemu emulator. As GNS3 has built-in support […]
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CCNA-Security 640-553 - Chapter3 - Part1 - Defending the Perimeter

Part1 – Definitions – General Security guidelines – Physical security – devices placed in locked rooms, steadily mounted to rack, UPS, enough RAM etc. – OS security – using the last stable OS, keeping backup copies of both OS and configuration files in a secure place – Devices hardening – hardening a system –  steps […]
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CCNP SWITCH and GNS3 – part 2.3 LAB - Configuring User AAA authentication and 802.1X port-based authentication

Scenario You start your new carrier as a network professional in company which is responsible for prepare, plan, design and implementation phase of AAA user authentication and 8021.x port-based authentication in customer network. Because you are new in the team you need to prove your boss that you has sufficient knowledge to participate in Implementation […]
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CCNP SWITCH and GNS3 – part 2.2 FreeRadius and WPA supplicant installation and configuration

LiSA is Linux Multilayer switch developed by Romanian developers and can do L2 switching and L3 routing between virtual switch interfaces. I made Qemu images of LISA installed on Centos 5.4 and you can use this image  for building your virtual network  in GNS3 environment.  GNS3 also  supports Dynamips emulator which can emulate older Cisco […]
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CCNP SWITCH and GNS3 - part 2.1 The theory behind AAA and Dot1x authentication

When I started to learn authentication  methods using AAA and port-based  authentication using dot1x   for CCNP Switch exam I was very excited abut this stuff. I would like to talk about AAA, dot1x and how the GNS3 can help us to practise it  but first we  should spend some time reading the theory behind this […]
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CCNP SWITCH 642-813 and GNS3 - part 1 Introduction

Introduction If you want to become a Cisco Certified Network Professional engineer you need to prove  the ability to plan, implement, verify and troubleshoot local and wide-area enterprise networks Your ability is tested with these three Cisco exams: 642-902 ROUTE Implementing Cisco IP Routing (ROUTE) 642-813 SWITCH Implementing Cisco IP switched Networks (SWITCH) 642-832 TSHOOT […]
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