This is a question on how Spanning-Tree Root Guard works.First, root bridges are elected (or selected) on a per vlan basis. But Root Guard is implemented on a trunking port without any vlan information. So, how does root guard know which vlan to pr...

Hey All,I am upgrading our entire network with new Cisco switches (upgrading from old Enterasys boxes) and currently have all my new switches in my lab for testing. I am just about complete but I am having an issue protecting my management vlan usin...