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.
Fundamentals
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 running NX-OS …
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. Due to my lack of time, I’ve decided to recycle what I find out on the ‘net and share it here.
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 we could assign some …
Remote Configuration Tip
I got asked a rather interested question the other day.
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.
Petition Cisco for Educational IOS Licensing
Greg Ferro of Etheralmind.com has started a petition asking Cisco to embrace those who pursue Cisco’s certifications a legal course of licensing without the cost of building a home made space shuttle.
More IOS Tips
Learning the particulars of Cisco IOS is one of the most valuable things a network engineer can do. These skills will be the basis of everything you do on the lab and on your network.
Cisco VOIP Basics – Call Broadcast for Cisco CME
This is the fourth and final part of my Cisco voip basics series. ( Parts 1, 2 & 3 ) Our goal in this series has been setting up a working voice gateway that you could use in your home office.
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. The following is based off the original developer, Mike Muuss’s website.
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? Pings as you should know are ICMP transmissions and ICMP is a Layer 3 protocol (commonly used to send error messages).
Cisco VOIP Basics
This is the first part of my Cisco voip basics series. ( Parts 2, 3 & 4 ) VOIP is obviously becoming a large part of networks, even now part of your CCNP requirements are basic voip knowledge.
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. This is a configuration that many people use and praise for its ease of setup and maintenance.
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. He gave me a really good deal and I plan on purchasing a 6500 series switch from him as soon as I can afford it.
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.