Archive for the ‘networking’ Category

New sandbox PC

Monday, November 3rd, 2008

I bought a new PC recently to run virtual machines on.  Virtualisation is all the rage, so I've decided to play around with Xen and VMware.  It also gives me an easy way to play with numerous OSes without having to frig around with hardware. As GNS3 is to Cisco ...

SANS 2008

Sunday, November 2nd, 2008

A little while ago I discovered that Verizon has annual training budget for employees to do work related courses of their choice.  Around that time I learned that SANS was holding one of their training events here in Sydney. I've always wanted to do a SANS course but the cost ...

Cisco router lab

Tuesday, July 24th, 2007

It can be very hard to get hands on practise working with networking technologies. It usually requires a stack of routers and switches to be able to configure up a meaningful topology. There are simulator software packages but they don't run the code that runs on real routers. Recently I discovered ...

Routing redistribution

Monday, July 16th, 2007

I had a problem a little while ago with a customer who was using RIP between us and them. We're redistributing RIP routes into BGP to be passed along internally. The problem was, a routing advertisement loop manifested itself. Dagnabbit! Took me a while to figure out what was going ...