How to delete vlans on a Cisco switch
Creating vlans on cisco switches is one the most common tasks network engineers do. Vlans are so important that we can hardly do without them. This is because vlans help bring about network security and segmentation. Network engineers put in so efforts into learning how to set up vlans but hardly take out time to learn how to delete these vlans. Well, all thanks to deleting the start-up config. The general opinion that erasing the start-up config and then proceeding to reloading the switch would normal make that switch feel brand new is responsible for this. Administrators have found out, howbeit the hard way, that erasing the start-up config does not erase vlans on a Cisco switch. The question then is how?