Category Switching

All Switching related topics will come under this category.

Spanning-tree Guard Root

STP RootGuard Feature §Root guard is useful in avoiding Layer 2 loops during network anomalies. The Root guard feature forces an interface to become a designated port to prevent surrounding switches from becoming root bridges. §Root guard-enabled ports are forced…

3560/3550 Recovery Procedure

3560/3550 Recovery Procedure ———————————— Connect a PC to the console port of the switch, Use a terminal emulation program such as Microsoft Windows HyperTerminal in order to establish the console session. These are the settings: Bits per second: 9600 Data…

Dot1x Authentication

Dot1x Authentication ————————– Recently i have configured the Dot1x authentication in my network, thought of posting on my blog. It is a cool feature,with Dot1x authentication we can provide added security at the access layer switches of the network,it uses…

QinQ Tunneling

QinQ Tunneling ———————— This is the method basically used by service providers to preserve Vlan-Ids and to segregate traffic of different customers.It enables service providers to use a single VLAN to support different customers who have a single or multiple…

Switchport Mode Private-Vlan

Switchport Mode Private-Vlan ======================== Hi guys i am back was stuck in some office work. As per the heading we are discussing Private-Vlans today, First of all Why we use Private Vlans in our switches? , even before why we…