Tutorials

Install Rancid and ViewVC on Centos 7

Jan 3, 2015 · 64 min read · CCNA CentOS cisco Configuration Backup Network Rancid Routers Tutorials ViewVC ·

In this post I want to walk though the steps to install Rancid on CentOS 7 minimal. Rancid is a great tool to help monitor a device configuration for any changes. It also keeps track of them by using CVS (Concurrent Version System) for backups, so you can go back and compare versions or revert to a previous …

Setting up GNS3 1.1 on Ubuntu

Oct 28, 2014 · 6 min read · CCENT CCNA GNS3 GNS3 1.0 ICND1 ICND2 networking router Software technology tutorial Tutorials ·

Share on:

It's only been a week since GNS3 1.0 was released and it's already been updated to 1.1 so in this post I have Ubuntu 14.04 LTS with the latest updates and its time to set up GNS3. GNS3 is an open source tool that helps network professionals run a virtual network right on their computer, GNS3 is not a simulation program …

Creating a SPAN Port on a 2960

Jan 1, 2014 · 2 min read · Cisco Tutorials ·

Share on:

Creating a mirroring port also called a SPAN port (Switched Port Analyzer) might be required for some network appliances to analyze network traffic. Since we have switches which run in separate collision domains per port we have to do some configuration on the switch first before we can analyze traffic. (Think back to …

Connecting FEX (5k to 2k)

Dec 1, 2013 · 8 min read · CCNA Data Center Cisco Cisco Systems Data center FEX networking Nexus NX-OS switching Tutorials ·

Share on:

I was pretty excited to get my hands on some of the Cisco Nexus product line which focuses on switching in the data center. The gear I have is an evaluation unit so I made some notes and one thing I was impressed is how easy it is to connect a Nexus 5K to a Nexus 2k also known as a fabric extender. I have kept it …

Configuring EtherChannel (PAgb)

Oct 12, 2013 · 4 min read · Catalyst CCNA Cisco cisco EtherChannel Fast-Ethernet networking switching technology tutorial Tutorials ·

Share on:

Bundling physical links into one logical link is a common practice to up the bandwidth between switches, you may have this also configured on a server to bundle connections as well. In this tutorial I have two 2960 switches both of them trunking all VLANs on two gigabit ports. So in the end game is get 2gbps instead of …