Switch Setting: How to Build Intercommunication between Two Switches?
We sometimes need to connect two switches or make them not access with each other. How to? In this post, let’s discuss. How can the network interoperate? In general, how…
Tags: VLAN
Understanding DHCP Snooping Configuration
We shared some topics about the DHCP before, such as the Five Things You Should Know About DHCP Snooping, How to Configure DHCP Snooping, How to Configure DHCP Snooping in…
New Cisco WAP351 Wireless Model, PoE PD & PoE PSE…
Recently, Cisco’s new WAP351 has been introduced to room users. It is perfect for conference rooms, classrooms, hospitality and other flexible deployments. The new WAP351, its full name is the…
ASA Routed vs. Transparent
In what scenario would you use an ASA in transparent mode? Transparent mode is defined as both inside and outside interfaces are in the same subnet, but different VLAN’s…. Uh…
VLAN vs. Subnet
“What is the difference between a subnet and a vlan? How does a subnet and vlan work differently from each other?” “While going through the CCNP switch book of CISCO,…
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…
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…
LAN and Setup VLAN on a Cisco Switch
When I heard of the LAN and VLAN for the first time, I have nothing idea about it. What is it, and how is it used for? … So many…
How to Create an Inter-only VLAN on a Router?
VLAN (Virtual Local Area Networks) allow network switches to separate traffic based on a logical identifier, known as a VLAN ID. When used in conjunction with a router that supports…
Simple Steps to Create a Non-Routed VLAN on Cisco Switch
VLAN (Virtual Local Area Network) is a network industry standard configuration that creates a virtual network container for all devices connected to ports or wireless networks included in the VLAN.…
