AI NOC, Not AI-on-NOC: Aviz Flips the Stack
Thomas Scheibe walked on stage and said the quiet part out loud.
Automation & Tools
Lightyear at NFD40: Can Software Fix the Telecom Lifecycle?
Anyone who has managed carrier circuits for a living knows the pain. Quoting takes forever. Installs drag on with zero visibility.
Building the Tools I Wished I Had
Every network engineer has that moment. You’re troubleshooting something, you reach for the tool that should exist, and it either doesn’t or it was last updated when Obama was in office.
PNDA provides scalable and reactive network analytics
During Networking Field Day 15 our friends from the Linux Foundation, including Lisa Caywood, briefed us on a recent “acquisition” from Cisco.
Forward Networks – A forward approach to formal verification
Forward Networks has stepped out of the shadows to announce their Network Assurance platform, and I was fortunate enough to be a delegate for Networking Field Day 13 to see their first public …
5 important reasons you should learn scripting
Today’s IT landscape if full of software defined marketecture, and lore of a dystopian future full of network engineers that do nothing but write code.
HP talks SDN at Interop NYC 2014
I generally try to avoid oversharing when it comes to my thoughts about presentations, but I have to mention that after sitting down with Glue Networks and their “SDN” presentation, it was truly a …
Vim Primer for Network Engineers
Vi is arguably the best text editing software in the world. There, I said it… deal with it!
Another Wicked Vim Tip
As a follow up to my blog post covering Vim on the PacketPushers blog, I wanted to share with you another time saving tip for getting our jobs done not only quickly, but helping to remove one of the …
SNMP can save your life
Ever get locked out of a router or switch that is many hours or even days away? Recently, I had the pleasure, again.
My Toolbag
Following the current popular topic of “Whats in your toolbag?” ala Stretch and Fryguy. I’ve decided (after some persuading) to detail the contents of my own bag.
IP SLA Basics
IP SLA is a function of Cisco’s IOS enabling you to analyze a Service Level Agreement (SLA) for an IP application or service.
IOS Embedded Packet Capture
Tired of setting up SPAN sessions? Need to do some packet analysis? Since IOS 12.4(20)T Cisco has made Embedded Packet Capture (EPC) available.
Working with the Embedded Event Manager (EEM)
Cisco IOS has plenty of gems contained within, but few are as fun, and as endlessly useful as the Embedded Event Manager, or EEM.
Using the Cisco IOS Archive Command
The Cisco IOS archive command is not only very useful in keeping configuration archives, but it can also be used to log commands entered into the router, along with their user name.
Using Regular Expressions on Cisco IOS
As a followup to my previous post on Regular Expression Basics, I wanted to give a few examples on using them on Cisco IOS.
Netcat – secret weapon
Netcat or nc, is a forgotten tool in too many arsenals these days. It lays dormant waiting at the command line to make connections across the globe for you.
Mail Server Relay Testing
As you may know, I am not big in the server world, even less into mail servers. They make me sick.
An Essential Alias for Forgetful Engineers Like Myself (updated)
How many times a day do you issue a show command from configuration mode ? If you’re anything like me, its enough to get annoying.
Regular Expression Basics
Before I even get started, I want to mention that not all regular expression metacharacters are supported in every application. Keep this in mind when building your matches.
SSH Wrapper Script
Ok — this is my first script that I’m posting here. Its a VERY simple ssh wrapper script that you can place in your path, preferably in ~/bin bash #!