It has been a while since I didn’t post anything here, but it was holidays and I used that time to relax and rest after a year of work. Following this idea I wish you all “Happy New Year” and all the best in 2009.
Today I planned to write about something easy to implement [...]
Until now, I did not meet a network engineer to be really “in love” with multicast. Some are considering challenging, interesting, useful but most of the network engineers (I repeat myself, from the persons that I discussed with) are rather preferring do other topics that multicast. If you are curious about my position in regarding [...]
Configuring banners on Cisco devices is very easy and it is a study material for CCNA. Even so, I found that not everybody is aware of the importance of the banners or know how banners can be used properly.
There are quite a lot of system banners that can be configured on a Cisco [...]
One of the most used method for remote access today is SSH protocol. Even most on the network engineer say what is so complicated in the process of the enable , disable , reconfigure of the SSH process, my experience proved me that it can be really complicated, if you mess up stuff there.
One [...]
In this tutorial I propose to show something that is not very used these days, or at least not every day, but which can be tricky if you don’t know how to approach this type of configuration. To understand this, I assume that you know the basics about PPP, FR and Multilink. I will make [...]
Let’s say that you have a link configured with Frame-Relay and from time to time you observe that the link is having some strange problems. Since you cannot be sure that the link is provided 100% error free you want to do your own tests. You want to see if the Frame-Relay between R0 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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