Jan 20, 2026
VLAN can be thought of as a broadcast domain that exists within a defined set of switches. A VLAN consists of a number of end systems, either hosts or network equipment (such as bridges and
Jul 17, 2025
Link aggregation lets a switch treat multiple physical links between two endpoints as a single logical link. All the physical links in a Link Aggregation
Jul 29, 2025
Switch aggregation, also known as link aggregation or trunking, is a method used in computer networking to combine (aggregate) multiple network connections in parallel.
Jul 26, 2025
Virtual Local Area Networks, or VLANs, are a very simple concept that has been very poorly defined by the industry. This article will explain VLANs from a
Aug 08, 2025
The purpose of VLAN aggregation is to increase the efficiency of IP address space usage. It does this by allowing clients within the same IP subnet to use different broadcast domains while still using the
Oct 19, 2025
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Apr 25, 2026
Security: Inter-VLAN routing by Layer 3 switch provides better security than other methods, as it allows for the creation of access control lists (ACLs) to restrict traffic between VLANs.
Apr 04, 2026
For port based VLANs, a switch port is manually configured to be a member of a specific VLAN. Any device connected to this port will belong to the same broadcast domain as all other ports configured
Dec 23, 2025
This lesson explains the basics of VLANs (Virtual LAN), why we need them, how they work, and in what scenarios to use them.
Sep 25, 2025
A VLAN is a virtual LAN, a subgroup within a local network. VLANs make it easy for network administrators to separate a single switched network into multiple groups to match the functional and
Jul 10, 2026
VLAN aggregation introduces the concept of sub-VLANs and super-VLANs. A sub-VLAN is an independent broadcast domain that contains only physical interfaces, whereas a super-VLAN
Oct 03, 2025
Defining switch aggregation and its role in network architecture Switch aggregation, also known as link aggregation or trunking, is a method
Feb 15, 2026
VLANs allow logical network topologies to overlay the physical switched infrastructure such that any arbitrary collection of LAN ports can be combined
Nov 14, 2025
VLAN 1006 to VLAN 4094 (Extended VLAN Range): Designed for large-scale networks requiring a high number of VLANs. VLANs in this range are stored in
Jul 21, 2025
Learn VLANs, Layer 2 Switching, DTP and interVLAN routing. Tutorial with follow-along hands-on labs. CCNA level lesson.
Nov 30, 2025
Link aggregation is a way of bundling a bunch of individual Ethernet links together so they act like a single logical link. Learn more on the Auvik blog
Apr 16, 2026
A VLAN is a logical grouping of network resources connected to administratively defined ports on a switch. VLANs break a large broadcast domain into smaller broadcast domains.
Mar 20, 2026
LAN switches and BUM traffic Before understanding the VLAN concept, you must first understand two core concepts about the Ethernet standard - what is a
Jul 26, 2025
VLAN aggregation allows sub-VLANs to share the same Layer 3 interface, thereby conserving subnet numbers, default gateway addresses, and directed broadcast addresses of subnets.
Mar 10, 2026
The following diagram shows a Layer 3 switch with three ports configured to handle the traffic for two VLANs (VLAN 10 and VLAN 20). Ports
Apr 02, 2026
Link aggregation is a technique used in networking to bundle multiple physical ports on a network device to operate as a single link. The aggregated link acts as a
Sep 09, 2025
VLAN aggregation allows the switch to assign IP addresses to hosts in sub-VLANs according to the actual number of hosts. For example, if sub-VLAN 2 contains only 10 hosts, the switch allocates IP
Nov 08, 2025
Learn VLANs and network segmentation basics to organize traffic, improve security, and reduce broadcasts. Follow beginner examples and start
Oct 20, 2025
VLAN aggregation technology, also known as super VLAN technology, uses multiple VLANs to isolate broadcast domains on a physical network so that different VLANs belong to the same subnet. It
Mar 19, 2026
VLAN aggregation, also called super-VLAN, partitions a broadcast domain on a physical network into multiple VLANs (sub-VLANs) and aggregates them into a single logical VLAN (super-VLAN).
Jun 12, 2026
Configure VLAN aggregation on Switch B to add VLANs of different departments to a super-VLAN so that PCs in different departments can access the Internet using the super-VLAN.
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