Are Forensics Tools the New IDS?

For the past few years, many people have been suggesting that the days of IDS (intrusion detection system) are numbered. When … [Read more...]

Monitoring VRFs on IOS-XR

Lately I have been investigating how to monitor BGP peering session via SNMP instead of traps/syslog messages and I found out … [Read more...]

Information Hoarders

network_scrooge

I make no secret of my love for Seth Godin and his amazing insight into the world. Besides being a marketing genius, he's … [Read more...]

Programming 101 for Network Engineers – Basic Language Elements & Concepts 2

Welcome to the fourth part of the Programming 101 for Network Engineers series and part two of the Basic Language Elements … [Read more...]

Review: ScienceLogic – One Network Management Tool to Rule Them All?

ScienceLogic Logo

ScienceLogic has been getting the right kind of press recently - e.g. they were a winner of Best of Interop 2013 - … [Read more...]

Programming 101 for Network Engineers – Basic Language Elements & Concepts 1

Welcome to the third part of the Programming 101 for Network Engineers series. This is likely to be the most 'straight up' … [Read more...]

How to Turn Your IOS Router Into a Pr0n Server (Pr0n Not Included)

No, really! Did you know that your IOS-based router is capable as acting as a static webserver? Below you will find the … [Read more...]

Getting the Most Out of SPAN or Mirror Ports

Network utp unshielded twisted pair cable

In my previous blog post I looked at the benefits and limitations of SPAN ports. SPAN or mirror ports are a convenient way of … [Read more...]

A Data Center Delivers Apps – So Shouldn’t We Monitor App Delivery?

Bowl is fine. Collar is fine. Floor seems okay. How come the food is not being delivered? Dunno...not my problem.

Dinner with His Toadishness, Derick Winkworth, the other night rolled into a 3+ hour discussion of avant garde ways to do … [Read more...]

Fighting Stale Documentation

In my continuing series on the decidedly boring, I would like to discuss the subtle, yet paralyzing, evil of stale … [Read more...]

Using IP SLA Delay Feature to Safely Monitor Lossy Links

cgaller_ip_sla1

IP SLA is a great feature if you want to add some automation and intelligence into the network. SLA is no SDN/OpenFlow, but … [Read more...]

NetCitadel and Software Defined Security

OneControl uses a common policy definition language to define security policies

It's been an exciting couple of weeks in the security realm, with a number of innovative startups appearing. That's … [Read more...]

Pull My Strings, I’m Your Puppet: Juniper Bringing DevOps to Networking

The buzzword in the industry of late is DevOps. It is one that I hope isn't tarnished by the marketing machine where … [Read more...]

Benefits & Limitations of SPAN Ports

A mirror or SPAN (switch port analyzer) port can be a very useful resource if used in the correct way. SPAN ports are … [Read more...]

Bash Script to Gather All Your Cisco Serial Numbers via SNMP

Recently, I was doing a true up of our Cisco SmartNet contract, and had to get the serial numbers from all of the Cisco … [Read more...]