[flashvideo filename=http://www.firstdigest.com/vid/archive/2009/04/CiscoCatalyst6500SeriesSupervisorEngine720.flv image=http://www.firstdigest.com/vid/archive/2009/04/CiscoCatalyst6500SeriesSupervisorEngine720.jpg /]
Now and then, especially when you expect less, the network crashes or encounter an issue and then you had to troubleshoot. Sometime the problem is right there, you can see it and it’s easy to fix, but in other cases you’ll have to put an eye in the packets that are traveling through it and [...]
Let's say that you have a Cisco router that you use as console server to connect to your devices in the [more]
IP Prefix-List tricky question
A few days ago I did encounter a task in one of these preparation workbooks for CCIE R&S Lab which was very [more]
Packet header graphic representation
I was surfing the Internet in search of some good drawing representing packet header and I come across five [more]
Selective BGP Dampening and parameters tuning
Some time ago, I wrote about BGP Dampening and how this feature can improve the stability of the network. A [more]
I think all network engineers touched, if not used / patched, as least one time a fiber optic patch cord. [more]
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