IEEE 802.1Q – VLAN Tagging and Trunking in Networking
IEEE 802.1Q is the networking standard that defines VLAN (Virtual Local Area Network) tagging on Ethernet frames. VLANs allow network administrators to segment a physical network into …
VLAN1 and VLAN Hopping Attack - Cisco Learning Network
The target machine would receive and process the frame, and that would make the VLAN Hopping Attack successful. Let’s take an example assuming an attacker is connected to switch …
A quick summarized view to Private VLAN (PVLAN)
To begin with PVLAN, let’s look at the concept of VLAN as a broadcast domain. In general VLAN is a concept of segregating a physical network, so that separate broadcast domains can be …
Best Practices for Inter-VLAN Routing in CISCO
Best Practices for Inter-VLAN Routing in CISCO Virtual Local Area Network (VLAN) helps break a large network into smaller, manageable parts, improving security and efficiency. However, …
What is the Native VLAN used for? - Cisco Learning Network
The native vlan is most useful when going to study voip. As one port on the switch will connect to the IP phone, and a PC will connect to the phone. So we end up having two devices attached …
VRFs, VLANs and subnets: difference - Network Engineering Stack …
May 20, 2016 · I have a basic understanding of VRFs, VLANs and subnets. I understand that VLANs operate on L2, and subnets and VRFs (lite) on L3. What I don't understand, is why you …
Different types VLAN - Cisco Learning Network
Feb 26, 2024 · Dynamic VLAN - LIke MAC-based, dynamic VLANs do not have a specific VLAN ID range assigned. Instead, VLAN membership is dynamically assigned by a VMPS (VLAN …
How to see if a VLAN is part of a trunk? - Cisco Learning Network
The command you have shonw, do mean I have to check all interfaces individually, to see if the VLAN is allowed over the trunk. This cost a lot of time, especially if a switch has a lot of trunk …
What is native vlan mismatch? and how to solve it?
What would happen if SW1 sent traffic belonging to VLAN 10 (its native VLAN) to SW2? The frames will be forwarded to SW2 untagged, and because SW2 was configured with native …
Introduction to VXLAN - Cisco Learning Network
To solve VLAN limitations in data centers and cloud, so it can provide scalability by allowing Layer2 encapsulated in UDP or so it extends VLAN. This is called MAC-in-UDP (UDP port …