Understanding Virtual LANs
This lesson covers virtual LANs or VLANs. We’ll start by defining what a VLAN is and then explaining how it works. We’ll conclude the lesson by talking about some key VLAN technologies such as ISL and VTP.
Virtual Trunk Protocol (VTP)
In addition to the ISL packet tagging method, Cisco also created the Virtual Trunking Protocol, or VTP, for dynamically configuring… Read More
Communicating Between VLANs
Another key component of VLANs is the router. Routers provide inter-VLAN communications and are essential for sharing VLAN information in… Read More
VLAN Technologies
Let’s take a look at some technologies that are essential for VLAN implementations. Inter-Switch Link Cisco developed the Inter-Switch Link,… Read More
VLAN memberships
Membership by Port Let’s look at the first method for determining or assigning VLAN membership:Port-based — In this case, the… Read More
VLAN Benefits
VLANs provide many internetworking benefits that are compelling. Reduced administrative costs—Members of a VLAN group can be geographically dispersed. Members… Read More
What Is a VLAN?
Well, the reality of the work environment today is that personnel is always changing. Employees move departments; they switch projects.… Read More