Remove or forget wireless network profile in Windows 7
If you change router, or modify wireless settings on the router, the wireless network profile that saved on Windows may be outdated and you may not be able to …
Category: Networking
Configure static IP address on CentOS 7
CentOS 7 network interfaces are disabled by default. If you want to use networking, you have to enable it. This article shows 2 methods to enable a network interface …
Find MAC address on Windows
This article shows how to find MAC address of your network interfaces on Windows. I will show 2 methods which are as following: Find MAC address from Network and …
IP Addressing Fundamentals
IP Addressing Fundamentals IP address is a numeric identifier that is assigned to a device for communicate with other devices on a network. IP address consists of four decimal …
Secure Network using Cisco Port Security, Part 2: Configuration
From the previous, you know basic concept about Port Security. Now let’s see it in the real action. Step-by-step for configuration port security Telnet to the switch. c:\telnet 10.0.0.1c:\telnet …
Secure Network using Cisco Port Security, Part 1: Concept
In every organization or even a home that has a network, security is one of the important issue. Having a strong network security means you have decreased a success …
How to configure trunk port (802.1Q) on 3Com Switch 3300XM
If you need to connect more than one switch and going to have more than one VLAN, you need to configure trunk port in order to send traffic between …
How to backup and restore router configuration via TFTP
Backup and restore router configuration via TFTP Backup hardware’s configuration is the one important routine for network engineers so that when the hardware break down you can recover the …