List/Grid Tag Archives: VLAN
Use Layer-3 Switch or Router?
In general, you want to use a router when most of the time the device does routing. Likewise, you want to use a switch when when most of the time…
Most Frequent Interview Questions for Network Engineers
In the last article we listed 100 interview questions for network engineers. May be some of them are not often asked. Again, here we gathered most frequently asked interview questions for network engineers…
Top 100 Interview Questions for Network Engineers
What interview questions for a network engineer is going to prepare? Maybe we can list a lot of basic questions, such as the administrative distance of EIGRP, eBGP, iBGP, what…
Video to Show Private VLANs & Configure PVLANs on A Cisco Switch
In this video (from YouTube), Keith Barker will explain the concept of private VLANs and then demonstrates how to configure them on a Cisco switch. This video show is very…
VLAN Switch Port Modes
When you configure a VLAN, you must assign it a number ID, and you can optionally give it a name. The purpose of VLAN implementations is to associate ports with…
STP (Spanning Tree Protocol) Path Selection
The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The basic function of STP is to prevent bridge…
How to Configure Private VLANs on Cisco 3560 Switches?
The private-VLAN feature addresses two problems that service providers face when using VLANs: 1. Scalability: The switch supports up to 1005 active VLANs. If a service provider assigns one VLAN…
How Private VLANs Work?
It’s simple to explain What Private VLAN is, but Cisco’s implemenation and configuration steps are a bit confusing – with all the “mappings” and “associations” stuff. Here we will talk…
What You Should Know about Configuring a Cisco IOS Switch?
Most network switches used by small businesses and home offices typically require no configuration — they’re “plug and play.” However, it’s important to remember that plug and play doesn’t always work. In…
How to Setup VLAN Trunking Protocol (VTP) on Cisco Switches?
If you have more than a couple of switches, configuring VLAN’s can be a real pain. To make it easier, Cisco developed VLAN Trunking Protocol (VTP). Now, let’s find out…
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