Expanding the WAN Port of the Core Switch

LORRAIN SYSTEMS provides modular data centers, thermal containment, intelligent PDU, 800G transceivers, liquid cooling, AI interconnects, and edge networking solutions for sustaina...

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Feb 24, 2026

Dynamic Routing Approach between Core-Switch and

Two routers (one acting as primary and the other as backup only) are connected to core switches via different routed ports each. Both Core-Switches

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Oct 03, 2025

Using a switch to ''breakout'' router ports on the WAN side?

Normal HA firewall designs typically require you to feed all connections to both units. Your ISPs are only going to give you a single handoff, so you need to drop it into a VLAN with a WAN side switch and

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Aug 27, 2025

Lan and Wan Interface connected in the same Switch

I want to setup my core switch to receive the LAN and WAN (interface inline) of WAAS. I believe the I need to create a different VLAN for each interface,

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Jun 12, 2026

5 port switch (use the WAN port as extra LAN)

Here describes the configurations needed to make the router behave as a network switch such that this invisible "barrier" is removed and there will be

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Nov 25, 2025

Using a soho switch to add extra ports to your home

In today''s interconnected world, having enough ports on your router is essential to accommodate all your wired devices. However, routers usually come

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Jun 21, 2026

Assign WAN Port To Switch Question in new builds

With the vast majority of routers, you can easily configure it in the "Switch config tab". But not with routers like the TL-WR841N v9 because the WAN port is not connected to the switch.

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Oct 19, 2025

Expanding Router Ports and Connecting Switches

In this tutorial we look at how to expand router ports and connect witches together.

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Jun 03, 2026

networking

Most of the time this is between the WAN port (typically The Internet), and the devices on the LAN ports (including the wireless clients), laptop/iPad/etc. A

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Apr 27, 2026

How to expand the number of ports on a router ? :: SG FAQ

If your switch has an "uplink" port, use it for the connection to the NAT router. If you use older router and switch, where both devices have no auto-crossover or uplink ports, you may have to use a crossover

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Jan 16, 2026

Uplink Port vs Normal Port on Network Switch

The uplink port on a network switch is designed to connect the switch to a higher-level network device, like a router, core switch, or another network

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Feb 20, 2026

Use (some) Ethernet ports as switch

Logical port 4 is the wan port, logical port 5 is the CPU. We''ll take logical port 3 (which will hopefully be physically adjacent to the wan port) and assign that to VLAN 2:

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Aug 09, 2025

Dynamic Routing Approach between Core-Switch and

Hi, I''ve a design or let''s say an implementation question regarding the attached approach! Two routers (one acting as primary and the other as backup

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Jul 06, 2025

Guide to Expand Router Ports Easily with a NETGEAR

Running out of router ports? Learn how to add more with a NETGEAR Ethernet switch for faster, stable connections for streaming, and more.

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Jun 21, 2026

Expanding core switch vs adding edge switch?

Any compelling reason to expand the core and keep that closet “simple” rather than adding in an edge switch and trunking it to the core?

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Jul 22, 2025

Assign WAN Port To LAN Switch

Yes, you simply need to change the switch configuration accordingly (remove the wan portfrom the wan vlan and adding it untagged to the lan one). Unless you really need the port, I''d

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Jun 23, 2026

Using a switch to ''breakout'' router ports on the WAN side?

Is it common or advisable to breakout the ports of a router using a network switch? For example, if you had a router with few ports and you wanted to connect more than that many. Could you do this on

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Mar 02, 2026

How to configure a port on our core switch for a server

I am looking for some guidance on how to configure a server port on our core switch. For some options, I was thinking this: Option A no switchport no ip address Option B switchport

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Jan 23, 2026

How to Expand Your Router''s Ports Easily — Step-by

Many home or office networks quickly run out of available Ethernet ports on their routers. Expanding your router''s ports allows you to connect

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Dec 16, 2025

How To Use a Router To Add Network Ports

As we expand our networks with computers, a NAS, VoIP devices, Xboxes, PS3s, etc, many of us find we need more wired network ports. A simple

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Nov 11, 2025

How to Add More Ports to Your Router

When creating or extending a home or small office network there will almost certainly be a time when you will run out of ports on your router. To

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Jul 08, 2025

Adding network switch to external WAN to increase number of ports

They provide us with one ethernet port on the NTE which we connect to the WAN port on our Cisco router. The WAN interface on our router is configured with a public IP address from the /29

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Apr 30, 2026

How to Add More Ethernet Ports to a Router: A

Avoid connecting switches through WAN ports or lower-speed ports. Regularly update switch firmware if applicable. Are There Other Ways to Add

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Apr 05, 2026

Introduction to Core Switch Configuration

A switch that functions as part of a router and operates at the third layer of the OSI network standard model, the network layer. The most important purpose of the layer 3 switch is to speed up the data

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Jan 08, 2026

Uplink Ports Explained: Boost Your Network Efficiency

What Is an Uplink Port? An uplink port connects a smaller network to bigger, external networks. It''s vital for internet or WAN connections. It supports quick communication and is key to

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Feb 02, 2026

What Should Know When Expanding Network Port

Posted on August 2, 2021 by FC — Leave a comment What Should Know When Expanding Network Port It is no denying that network devices have been widely

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May 20, 2026

VLAN mode on FortiExtender as the WAN-extension of FortiGate

It is important to note that in VLAN mode, the FortiExtender and the FortiGate can be connected directly to each other or through a switch. In case of a switch in between, the switch must be configured to

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Mar 05, 2026

How to Expand the LAN Ports of the Router and Have

Switches The Switch is the easiest and cheapest option that we can choose when we want to expand the LAN ports of our router. As for its

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Jan 18, 2026

What Is a WAN Port? WAN vs LAN Port Differences

That is why WAN design matters more in office and branch deployments than in basic home setups. What Is a LAN Port? A LAN port

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