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 …
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 …
Best Practices for Inter-VLAN Routing in CISCO
In this discussion, lets explore the best ways to set up Inter-VLAN Routing on Cisco devices, using simple explanations and clear examples to help configure network efficiently.
VLAN1 and VLAN Hopping Attack - Cisco Learning Network
This VLAN Hopping Attack method would be possible by having the attacker and the target machines connected to the same switch. The attacker in this case would use malicious …
交换机Vlan中 tagged和untagged的区别 - 知乎
如果端口属于多个VLAN，则该端口需要给帧打标签。 还有就是，802.1Q说，如果一个端口属于多个VLAN，那么端口最多可以不给其中一个VLAN的帧打标签，因为即使不给这个VLAN打标 …
vlan - Routing between two subnets not working as expected
Sep 20, 2024 · the topology in question is depicted below: These are basically two separate rings with two VLAN2 attached network subnets (for transport / routing inside of a single ring). There …
Vlan 1 - Cisco Learning Network
VLAN 1 is the most fundamental VLAN on a Cisco Catalyst Switch, so even if is not administratively allowed it's control traffic (note that i only mentioned control traffic) will be …
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 …
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 …
vlan - MTU size on physical and logical port in OSPF - Network ...
Feb 17, 2025 · A single physical interface has multiple sub-interfaces (VLAN interfaces). These sub-interfaces are configured with IP addresses and OSPF. The MTU of the physical interface …