Fundamentals
Well-Known Intervals
Listed below are many events which occur on network devices at well-known intervals. The list is provided to serve as an aid while troubleshooting recurring network disruptions.
Cisco VIRL released into the wild
After much waiting from all of us, Cisco has released, on “cyber Monday” no less, VIRL.
The Unofficial JNCIE-ENT Prep Guide
Some of you may have heard that Jeff Fry has published his Unofficial JNCIE-ENT Prep Guide, but how many of you have purchased it yet?
Installing VMware tools on Cisco ACS
As of ACS v5.4 Cisco has finally included VMware tools for their ADE OS.
MDS Fibre Channel Switching Basics for Network Engineers
Recently I’ve been lucky enough to be challenged with learning a bit about Fibre Channel Switching, but I’m even luckier in that I’m getting to know it on a set of MDS switches …
BPDU the next incrementation
As I feel this may be a regular section of the blog due to my lack of availability. Please suggest a better name for this “series”.
BPDU – Blog Post Data Unit?
My most recently collection of interesting bits of data found out on the blogsphere/internets.
F5’s iRules — My first look
I’ve never had the opportunity to really do much with F5 load balancers in the past, but recently one our system engineers needed some load balancing setup, and wanted to know if …
Cisco Increases CCIE Lab Cost
This morning several CCIE candidates received an email stating that on August 1, 2011, Cisco will be raising the cost for the CCIE lab from $1,400 to $1,500.
Setting up a Cisco Access Server
Whether your networking lab has 3 devices or 30 an access server, also commonly called a terminal server, is the vital connection between you and those devices.
More IOS Tips
Learning the particulars of Cisco IOS is one of the most valuable things a network engineer can do.
Cisco VOIP Basics – Call Broadcast for Cisco CME
This is the fourth and final part of my Cisco voip basics series.
Connecting Dynamips to your local network (OSX)
Ever wanted direct network access to your Dynamips lab? Have you ever needed to lab something that used the SDM, but you run Dynamips under OSX?
The History of PING
Anyone that has touched a computer these days has probably heard of ping. But very few know of its true origins these days.
JunOS Olive Demonstration
As a follow up to my JunOS Olive tutorial, I made a demonstration video that shows Multicast functioning via OSPF to another Olive and an ImageStream VM.
Running JunOS under VMWare (updated – again!)
Interested in trying out JunOS? Can’t afford to build a real Juniper lab? Sounds like you need some Olives.
Cisco VOIP Basics – Cisco Dial Plans
This is the third part of my Cisco voip basics series. ( Parts 1, 2 & 4 ) Our goal is to help you configure a Cisco voice gateway that you could use in your home office.
Cisco VOIP Basics – Installing Cisco Call Manager Express
This is the second part of my Cisco voip basics series. ( Parts 1, 3 & 4 ) Our goal in this series is to setup a working voice gateway that you could use in your home office.
Testing TCP Connectivity on Cisco Devices
Ever thought you might be having some Layer 4 connectivity issues?
Juniper Fast Track Program
This summer I learned about a fantastic offer from Juniper to ‘fast track’ you into a certification.
Configuring a Cisco Router as a Frame Relay Switch
One of the most effective lab setups uses frame relay as its primary transport method.
Setting up VOIP lab
This week I’ve started setting up a VOIP lab to explore the technology and when I’m done, I plan to integrate it into my home network.
Demystifying Cisco Config Register Bits
Ever accidentally set your config register to a random value that isn’t in the Cisco documentation? No? Neither have I, but one day I encountered someone on #cisco that had.
Cisco IOS Tips and Tricks
So, I’m sure these have been posted almost on every networking blog under the sun, but who knows, right?
Working on my new lab setup
So, I purchased a couple extra routers, and a second layer3 switch from @usedciscoguy.
Cisco IOS Naming Conventions
As I started building this lab, I realized that I had to find a refresher course on the IOS naming conventions.