Errdisable Recovery on Cisco Switches

Errdisable recovery is a feature that helps network administrators to recover the err-disabled state to enable state. In this lesson we will learn, how to configure Err-disabled auto-recovery in Cisco catalyst switches. Before going into details, first we should understand what is error-disabled state of an interface. Errdisabled is a…continue reading →

Managing MAC address table in Cisco

Managing MAC address table in Cisco is the most basic but important skill. In this lesson we will discuss in details about it. A Switch manage and use a mac address table to forward traffic from one interface to another. This address table is a combination of Vlan ID, MAC…continue reading →