No routing is needed if there is a core switch

IP routing does not have to be configured on the access switches if the SVIs and gateways for the VLANs are not configured there. My query is that if I configured " NO IP ROUTING" THEN IS TH...

Factory
Oct 13, 2025

route or switch on the core Layer

There is no right or wrong answer to this. Originally the recommendation was to switch in the core ie. use only L2

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Factory
Oct 13, 2025

Is a core switch the same as a router?

The core switch performs as a router and bridges the devices. Usually, people are confused about buying a core

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Factory
Feb 09, 2026

do i actually need a ''core'' switch? : r/networking

the MX100 is layer 3 to 7 - so firewall, intervlan routing, NAT etc. I''m not really clear why i need a seperate L3 device. On a medium

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Factory
Nov 09, 2025

Internet routing via core switch instead of routers?

A 5406/5412 is not appropriate for internet edge routing. You can move routing to a firewall instead of a router, or get a bigger beefier

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Factory
Sep 13, 2025

Solved: Core Switch or No

There will be no practical difference in throughput if you have an additional Core-Switch or not. But it really seems that

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Factory
Jan 11, 2026

Having a core or not?

Physical Location: Your CORE switching should be somewhere centralized in the physical termination of your network

Factory
Aug 05, 2025

Core Layer Functionality

Because core devices are responsible for accommodating failures by rerouting traffic and responding quickly to

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Factory
Aug 06, 2025

what we should use in the core layer ( routing or switching )

If we use routing, we need a /30 link between each link from the distribution to the core layer, so if we have 4 switch blocks, we

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Factory
Nov 20, 2025

Switching and Routing Explained: Core Functions, Differences, and

Learn the key differences between switching and routing, how they work together in telecom and data networks, and why both are

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Factory
Feb 19, 2026

Trunking/routing vlans from core switch puzzle

So, we ended up with: One 3500 switch ended up as the other core switch, with a trunk to downstairs and a trunk to

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Factory
Jan 31, 2026

What Is a Core Switch?

A core switch is the backbone of a large-scale network, designed to handle massive volumes of traffic with ultra-low latency and

Factory
Apr 17, 2026

Routing on firewall or core switches? : r/networking

In my research I''m getting mixed suggestions - Some say that core switches are for routing, when others say that core switches have

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Factory
May 09, 2026

Dynamic Routing Approach between Core-Switch and WAN-Routers

If you want the primary connection to always be used no matter which core switch is HSRP active then not convinced

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Factory
Feb 20, 2026

Should I add a layer 3 core switch or just use the router I have

You can then connect all of your distribution switches to your core switches, and your existing Catalyst 2921 to them. Again, unless

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Factory
May 27, 2026

Understanding Core Switch: What It Is and How to Choose the

In the realm of system networking, three key types of switches are frequently mentioned: access switches, aggregation

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Factory
Sep 09, 2025

Routing at the core versus routing at the distribution layer

By collapsed core, do you mean all access switches trunk back to the core 6500-type core switches? Edit: If that is what you mean,

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Factory
Sep 02, 2025

routing at the distributionCore switch

No need for any routes pointing back to core 2 because the source IPs will always be client vlans and both core

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Factory
Nov 29, 2025

MS Word Template_102504

Cisco IT built a Layer 3 (routing) core in the San Jose MAN while still using Cisco Catalyst 6500 Series switches by adding the Cisco

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Factory
Nov 24, 2025

route or switch on the core Layer

Having said that, looking at your design there are a lot of redundant paths between switches. This means lots of loops

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Factory
Jul 27, 2026

Understanding Core Routers: Key Functions and Benefits

A core router is a high-capacity network router designed to forward traffic at the highest speed possible. It''s positioned at the network

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Factory
Jul 05, 2026

Routing on firewall or core switches? : r/networking

The core switch can 5 routing within the zone (IE where you don''t need stateful inspection). There''s no real value in adding CPU load

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Factory
Jun 20, 2026

Why does a core switch need to be behind a router? : r/ccna

Why does a core switch need to be behind a router? I noticed in most topologies there is a L3 switch at the distribution layer and the

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Factory
Aug 04, 2025

Routers vs. Switches

Switches and routers are networking devices. Both are primarily used to make connections between computers, networked devices,

Factory
Jun 29, 2026

What is a Core Switch | Functions and Difference over Normal Switch

This is done via a high-speed communication forwarding route and as a result, the core layer switch application has

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Factory
Dec 13, 2025

Core Switch vs Access Switch | Definitions and Key Differences

The core switch is the backbone of your network. It''s the most important piece of equipment because it connects all

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Factory
Apr 29, 2026

What is Core Switch and How to Choose?

Conclusion Simply put, knowing what a core switch does and how to pick the right one is key to building a solid

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Factory
Dec 05, 2025

move vlans off firewall to core switch

When you move VLANs from the firewall to the switch, the important thing to remember, is you have to add static

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Factory
Jan 12, 2026

Why does a core switch need to be behind a router? : r/ccna

You can, and many people do, use a MLS as the core, you can connect the switch directly to the internet, and this might be fine for a

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Factory
Jul 01, 2026

Cisco Layer 3 Switch Inter-VLAN Routing Without Router

The goal of this topology is to understand how to configure L2 and L3 switches to provide routing between VLANs.

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Factory
Sep 07, 2025

What Is a Core Switch in Networking?

What Is a Core Switch in Networking? Understanding the Backbone of Your Network A core switch in networking

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