Video -- History of the Internet
Here’s a short but nifty video I found on the history of the Internet. We all say “DARPA” or “ARPANET”, but I had no idea that the French developed the router first.
History of the Internet from PICOL on Vimeo.
jac
Leap Second
Did anyone notice (or care about) the leap second? I did neither. Here’s some cool output from Kevin Oberman on the NANOG list, though.
bash-2.05b# date
Thu Jan 1 00:59:58 CET 2009
bash-2.05b# date
Thu Jan 1 00:59:59 CET 2009
bash-2.05b# date
A Little Politics for the New Year
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 technical barriers to implementing such a system, the most obvious question is, “who decides what gets blocked?” When a corporation implements
Is That a Bandwidth Graph or a Polygraph?
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 gigabit trunks between 6500s and noticed an abrupt change in traffic. The graphs were nice
I've Been Forged!
I don’t know if I’m mad or honored, but I received about 400 forged email bounces last night (isn’t SMTP wonderful?). I realize that some people have gotten spam from my domain, but I had nothing to do with it. I’m going to check out the
Configuring Dedicated Trunks for the CSM
Did you catch the article on setting up fault tolerance on the CSM? In that article, I mentioned that Cisco recommends a dedicated trunk for the FT VLAN if you have two HA CSMs in two chassis. Discuss amongst yourselves while I drone on.
Why should you set up a
Using Probes on the CSM
There are three different ways that a CSM checks for the health of the servers — active probes, inband health checking, and inband HTTP monitoring. Let’s talk about active probes.
Active probes (or just probes) typically send traffic to one of the RIPs of a serverfarm, do some stuff, and