Networking Archive

No debug output via TELNET. Cisco debug output via telnet/SSH.

This is the presentation of a command that it is very helpful and it should be a must know for any network administrator out there and even for some system administrators, depending how far their responsibilities go

Types of network – PAN, MAN, WLAN, SAN, CAN, DAN

In a previous article I wrote about LAN and WAN, the most important types of network so in this post I will be presenting the other less known types of network that you’ve probably never even heard

LAN and WAN – Definition, properties and differences

If you have been wondering what LAN and WAN mean then you should be warned that after reading this article you will not only know their definition but also their properties and the differences between them so next time

Network Address Translation – NAT

Such service can be used to translate private IP addresses on private LANs to public IPs, by so having access to different resources on the Internet, depending on the case. NAT allows a host using a private

Binary Hex Conversion – How to convert Binary to Hex

Binary Hex Conversion is the same thing as the Hex Binary Conversion, just that you will do it backwards. You will know you have a binary number, 4 bits, which must give a hex number. You will add

Hex to Binary Conversion

We have the following table which will help you with Hex to Binary conversion and I will also explain the concept in the next lines. Either you learn the table and you know the conversion or you

Decimal to Binary Conversions

There are two possible ways: a more technical one, which is also used in the Cisco Courses for Networking and presented in most sources, while the other one is less used and more of a scientific method.

Binary to Decimal Conversion

The easiest way to learn these conversions is through the use of examples, so for the first one, you should see each number as an octet, of 8 bits. For instance, we will take a number of

Subnet Mask – Default Gateway – DNS

Subnet Mask As I wrote in a past article, an IP address has a network and a host portion. We also discussed about the fact that a network prefix tells us how many bits in the address

IP and MAC addresses – layer 2 and 3 addressing

IP addresses An IP address is a 32 bit unique address on the network that identifies a networking device or interface at layer 3. For us is more easy to remember and use an address in the