HomeLab: Cisco Switch Boot Alternate IOS Image

So this one is not exactly pulitzer prize material, but it took me a bit to find the correct answer as I was not searching with the correct search terms. After all I am a systems administrator by trade, not a network administrator, so you are going to have to give me a break if … Continue reading HomeLab: Cisco Switch Boot Alternate IOS Image

HomeLab: Simple Cisco EIGRP Setup

EIGRP (Enhanced Interior Gateway Routing Protocol), is a Cisco proprietary routing protocol (until recently). When a router runs EIGRP, it keeps a copy of its neighbors routing table. If I router cannot find a route it its, or its neighbor's routing table, it will query its neighbors who in turn query their neighbors. Exactly how routing protocols work is serious business, but dont worry we are not going to go into that here. Below is the process that I used to setup EIGRP on a Cisco 2811.

HomeLab: Basic Syslog Configuration on Cisco Catalyst Devices

In my homelab setup I am dumping syslog on all my devices to my Linux desktop. Have not figure out what I am going to do with it yet, but I see myself either setting up Splunk or Greylog in the near future. Note, a while back I wrote a post on how to configure rsyslog on RHEL 6 - s0 if you are interested you can find that post here.

HomeLab: Cisco 3550 Switch Software Configuration Guide

So I got my hands on a couple of these old switches for my lab setup. They are better than the 2950s (have to use crossover cables on those ancient things) that I also have in the giant hardware stack in my lab, but not at all as nice as the 2960s that I have. … Continue reading HomeLab: Cisco 3550 Switch Software Configuration Guide

HomeLab: Upgrading Cisco IOS Via tftp on RHEL

0012fbf7_mediumSo I was planning on blogging about this process simply because I keep forgetting it. Being that I am in the middle of building out my lab, and have a ton of old cisco hardware with ancient images, I have found myself going through the process of updating firmware quite a bit as I tinker with different IOS images.