Feb 12, 2026
Inter-VLAN routing is the way computers and devices in different VLANs (Virtual Local Area Networks) talk to each other. Normally, devices in one
Jun 21, 2026
Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu.
Apr 21, 2026
As switched networks evolve to distributed VLANs, Cisco IOS software provides key inter-VLAN communications and allows the network to scale. Before Cisco IOS
Sep 06, 2025
The Inter-Switch Link (ISL) protocol is used to interconnect two VLAN-capable Ethernet, Fast Ethernet, or Gigabit Ethernet devices, such as the Catalyst 3000
Oct 28, 2025
Learn what a Router Sub-interface and a L3 Switch is, as well as how to configure both of them on Cisco devices to enable Routing between VLANs.
Dec 01, 2025
This article provides a step-by-step walkthrough, including configuring VLANs on a Cisco switch, setting up trunk ports, creating router sub
Jun 23, 2026
Understanding VLAN tagging is essential for implementing more advanced networking concepts like inter-VLAN routing, which allows devices on different VLANs to communicate with each
Sep 07, 2025
In order to establish inter-VLAN communication (i.e routing between hosts belonging to different VLANs) you need to have a Layer 3 routing engine in the network. This L3 engine is provided by the Nexus
Aug 02, 2025
@hakeem123 greetings, To allow different vlans to communicate to each other, you will need to enable routing in your multilayer switch using the following command: #ip routing But now all
Aug 23, 2025
Inter-VLAN routing makes communication possible between them, which is important in networks that use VLANs to keep traffic organized, faster,
Aug 16, 2025
Layer 3 routing capabilities are available on most Cisco Meraki switches. This allows the switches to route traffic between VLANs in a campus
Feb 16, 2026
In my previous understanding, there is no way to communicate between two VLANs using only layer 2. After all, this is the purpose of having
Mar 27, 2026
In the Router on the stick method, both switch and router are needed but while using layer 3 switches, a single switch will perform inter-VLAN routing as well as the layer 2 functions (Vlan),
Nov 20, 2025
Learn inter-VLAN routing with step-by-step Cisco configs for router-on-a-stick and Layer 3 SVIs. Includes HSRP redundancy, DHCP relay, ACLs, and troubleshooting commands.
May 07, 2026
Limited functionality: Layer 3 switches have limited routing capabilities compared to dedicated routers, which can limit the routing options available to network administrators. Single
Sep 17, 2025
They allow you to logically segment a physical network into multiple, separate broadcast domains. This means devices within one VLAN can communicate freely with each other, but they are
Nov 12, 2025
PrerequisitesBackground InformationConfigureVerifyRelated InformationThis document provides a sample configuration for Inter VLAN routing with a Catalyst 3850 series switch in a typical network scenario. The document uses two Catalyst 4500 series switch as Layer 2 (L2) switches that connect directly to the Catalyst 3850. The Catalyst 3850 configuration also has a default route for all traffic that goes to the Intern...See more on cisco Published: Jan 23, 2024NetworkLessons
I can configure something called an SVI (Switch Virtual Interface) for each VLAN and put an IP address on it. This IP address can be used for computers as their
Mar 31, 2026
PrerequisitesBackground InformationConfigureVerifyRelated InformationThis document provides a sample configuration for Inter VLAN routing with a Catalyst 3850 series switch in a typical network scenario. The document uses two Catalyst 4500 series switch as Layer 2 (L2) switches that connect directly to the Catalyst 3850. The Catalyst 3850 configuration also has a default route for all traffic that goes to the Intern...See more on cisco Published: Jan 23, 2024 NetworkLessons
InterVLAN routing means routing packets between VLAN. When we want to send packets from one VLAN to another, we need routing. Without routing, VLANs are
May 12, 2026
🌐 Day 4 of 30 VLANs Explained | Not every device on your network needs to communicate with every other device. That''s where VLANs (Virtual Local Area Networks) come in. VLANs allow you to
Sep 28, 2025
It is clear that hosts on two different VLANs can''t directly communicate on a single switch, but how do they communicate to each other at all? Do they use a router? How does it work?
Apr 23, 2026
As shown in the network diagram below, the topology includes two Nexus access switches (AccessSwitch 1 and AccessSwitch 2) and one Nexus Core Layer 3 switch for performing routing and
Feb 21, 2026
A Layer 3 switch (multilayer switch) combines Layer 2 Ethernet switching with Layer 3 IP routing. It switches traffic within the same VLAN/subnet
Dec 07, 2025
Inter-VLAN routing is a network configuration technique that allows communication between devices on different VLANs (Virtual Local Area Networks) within the same network. VLANs
Jul 12, 2026
Trying to establish inter-VLAN communication? Check out our guide to routing between VLANs here! Real problems, hands on examples for each step along
Mar 08, 2026
Learn what a Router Sub-interface and a L3 Switch is, as well as
Nov 04, 2025
Once ip routing is enabled and SVIs are up, the switch builds a routing table with connected routes for each VLAN subnet. That''s what enables traffic to move between VLANs at wire
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