Layer 2 Switch Dual Subnet Access

RP OPTICS delivers premium fiber optic cables, drop cables, splice closures, connectors, SFP transceivers, power meters, cabinets and infrastructure for FTTH, PON, smart cities and data centers.

Industry Information
Apr 18, 2026

Can we connect two different subnets with a switch?

Devices in different subnets can communicate. That is the purpose of a router. Routers route packets between different networks. Even if devices in different networks are on the same layer

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Industry Information
Aug 13, 2025

Can a layer 3 switch route between 2 subnets automatically

I have a Access point connected to a Layer 3 switch which is on a static ip of 192.168.0.X and i have a pc who is also connected to same layer switch which i plan to have set to a static ip of

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Feb 23, 2026

Multiple Subnets sharing a switch (no VLAN)

Would the broadcast traffic be restricted to a single subnet, or would both subnets recieve the broadcast traffic (e.g., one broadcast domain or two)? All hosts would see all broadcast traffic.

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Industry Information
May 02, 2026

What are the implications of having two subnets on the same switch?

Two hosts, each configured with a single IP address assigned, and each in different subnets, will not make ARP requests for the other''s IP address.

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Industry Information
Dec 05, 2025

Routing multiple subnets between two switches

I have two physical locations - call them Local and Remote. Each location has three subnets in use. In the past, the two locations were connected by MPLS and Cisco routers routed the

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Industry Information
Jul 11, 2025

Can a Layer2 network be comprised of more than one subnet?

You can have multiple networks on the same shared L2, depending on how hosts are configured, they will either ARP for an IP, that''s not on their network, or send packets to a gateway

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Industry Information
Oct 16, 2025

Two switches, two subnets. How to make a connection between them?

You need a router to route traffic across the subnets/vlans. If those 3COM switches are true Layer 3 devices, then they can do the routing (and you should see that capability in their web

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Industry Information
May 04, 2026

L2 vs L3 Switch: How to Choose for Your Access Layer

When planning an enterprise access network, one of the most common dilemmas is whether to deploy Layer 2 (L2) or Layer 3 (L3) switches. The access layer plays a critical role in

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Industry Information
Jul 30, 2025

Example for Configuring a Layer 2 Switch to Work with a Router for

It is required that users access the Internet through the Layer 2 switch and router and that the router function as the gateway of users. Figure 1-3 Configuring a Layer 2 switch to work with a router for

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Industry Information
Nov 28, 2025

Access router on a different subnet, how? : r/Ubiquiti

Access router on a different subnet, how? Hello. I recently bought an Edgerouter X ro replace my home router so I can have multiple subnets. Not really using VLAN, but I wanted a subnet for my kids

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Industry Information
Aug 06, 2025

dual home servers to access-switches

Each access layer switch is dual attached to to each distro. Distro is inter-connected via Layer 2 and each distro is layer3 connected to the core. Why do you not want a layer 2 trunk

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Mar 12, 2026

Subnets on a layer 2/unmanaged switch

Well you can"t have them on a layer 2 switch, no. A switch is basically transparent to the network and having hosts there on different subnets wouldn''t

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Dec 23, 2025

How to Create Multiple Subnets in Your Network

Learn how to create multiple subnets to improve network security, isolate devices, and manage traffic in your home or small office network.

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Dec 28, 2025

The Key Differences Between Layer 2 & Layer 3 Switches

In this article, we will explore the differences between Layer 2 and Layer 3 switches, when to use a Layer 2 versus a Layer 3 switch, and use cases for both switch types.

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Industry Information
Jan 15, 2026

Is it safe to use a single switch for multiple subnets?

I don''t plan to implement this setup, but I am curious about it. The 50.2 computer may send a packet to the x.2 computer, but it will use 50.1 as the router, since 50.2 knows that the subnet is different.

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Industry Information
Oct 17, 2025

Two hosts with different subnets on layer 2 switch

I''m currently trying around with sub netting and I found out that two devices attached to a layer 2 switch can talk to each other although they have different subnets!

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Industry Information
Apr 27, 2026

Two subnets on one switch with no VLAN and possible problems

It is perfectly possible -- and not terribly uncommon -- to run two separate layer 3 (i.e, "IP") networks over one layer 2 (i.e, "Ethernet") network. A common use case for this is in environments that allow

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Industry Information
Feb 16, 2026

Use Router or L3 switch for second subnet?

If you were subnetting your whole network, I''d say stick with the L3 switch (assuming it''s a business switch, not consumer garbage). But since it''s just for a lab, you could really go either way.

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Industry Information
Apr 30, 2026

Multiple Subnets sharing a switch (no VLAN)

Is it possible to have multiple subnets sharing a single switch (without VLANs or routers)? If so, what would happen? Would the broadcast traffic be restricted to a single subnet, or would both

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Industry Information
Oct 09, 2025

Layer 2 Switch

When to use Layer 2 Switch Use Layer 2 switches for segmenting your Ethernet network into smaller collision domains to improve network performance. Layer 2 switches are generally used

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Aug 19, 2025

Solved: Two subnets in one VLAN.

I''m just practicing VLANs. I created two subnets in VLAN1. And while trying to enable communication between the devices in both subnets, i configured

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Industry Information
Sep 06, 2025

What Is a Layer 2 Switch? Features, Benefits, and Use

A Layer 2 switch is a network device that operates at the data link layer (Layer 2) of the OSI model. Learn their technical details, functions, and importance.

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