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 …
IEEE 802.1Q – VLAN Tagging and Trunking in Networking
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 …
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, …
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 …
VLAN VS Subnetting - Cisco Learning Network
Is separating a network by VLAN same thing as separating network by subnetting? I understand that by subnetting, I'm creating different networks that will have different network address. If I …
A quick summarized view to Private VLAN (PVLAN)
Feb 13, 2020 · Introduction: This document is anticipated for understanding Private Virtual LAN (PVLAN) concept; how VLAN is sub-divided into isolated sub-domains and the communication …
The Unsung Hero of Networking: Unveiling the Native VLAN
Mar 24, 2025 · Switch (config-if)# switchport trunk native vlan <vlan-id> Replace <vlan-id> with the VLAN number you want as the Native VLAN. To check the setup, use: Switch# show …
Why and how are Ethernet Vlans tagged?
Jan 31, 2015 · In reality a VLAN tag is inserted in the Ethernet frame like this: The 802.1Q (dot1q, VLAN) tag contains a VLAN-ID and other things explained in the 802.1Q Standard. The first 16 …
Why is inter-VLAN communication not working in my network set …
Jan 27, 2024 · The VLAN that shows on an interface is not necessarily in the switch VLAN database. For any VLANs (except VLAN 1) that a switch must know about, use the global vlan …
Still do not get what "Native VLAN" is - Cisco Learning Network
Native vlan is actually more of a security concern than a security benefit. It is a good idea not to use a native vlan at all. One way to accomplish this is to set it to something that isn't really …