A Better (?) Way to Handle Logs
·2 min read
Happy new year, all. I’m finally over my hangover from the party and ready to blog. Everywhere I go, I always wind up in a debate about how to alert on log messages as they come in. I was at the …
Tools
A Little Politics for the New Year
·1 min read
Stretch at Packetlife has a lively little write-up on the Australian government’s attempt to implement a nation-wide web filtering service. From Packetlife.net: Setting aside the myriad of …
Is That a Bandwidth Graph or a Polygraph?
·3 min read
I thought I’d throw an easy one out before taking off for the holiday. Merry Christmas, Hannukah, Kwanzaa, Saturnia, etc., to all. A few years ago, I was looking through some Cacti graphs of …
Setting Up Syslog on a Linux Box for Your IOS Devices
·2 min read
A few articles ago, we discussed getting logging up and running on your IOS box. Part of the discussion was actually having the device log remotely to a box somewhere, but that’s kind of …
Setting Up System Logging on an IOS Device
·4 min read
I like logging on an IOS device. I like to look at the buffer and tell you that your interface went down 30 seconds ago. I like to look on the box and see that BGP with my Internet provider has been …
How Screen Can Change Your Life
·3 min read
Alright, that’s an exaggeration, but screen is pretty freaking cool. It’s an app that’s (usually) run under Linux that lets you run commands then detach from that session and …
Loading Configs at Startup in Dynagen
·1 min read
Here’s a quick one for you. In Dynagen, if you want to load a configuration when you first fire up the router instance, you can use the cnfg tag in your NET file like this. cnfg = …
A Must-Know: TCPDump
·4 min read
If you’ve never used TCPDump before, you’re missing out on one of the best parts of being a network guy – pointing fingers at everyone else. TCPDump is an open-source app that copies …
Auditing Your Gear with Nipper
·2 min read
Let’s talk [tag]audit[/tag]ing for a bit. It’s important to have an outside person look over your [tag]configuration[/tag]s every so often to be sure you didn’t do something stupid, …
Free and Awesome Network Tools
·3 min read
We all have limited budgets these days. Long gone are the days of unlimited resources and uncontrollable expansion of the network, so it’s important that any network dude or dudette pay …