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Can a Layer 3 switch replace a router for WAN connections?

Learn how to use a Layer 3 switch in place of a router for WANs from a routing expert.

Sudhanshu Gupta

Can a Layer 3 switch have WAN connectivity and replace a router for WAN connections?

Certainly, yes. You can terminate WAN links on the switch if:

You have physical ports on the switch or
If the WAN link is on Ethernet like in the case of managed leased links.

This was last published in September 2008

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Can a Layer 3 switch replace a router for WAN connections?

Learn how to use a Layer 3 switch in place of a router for WANs from a routing expert.

Dig Deeper on WAN optimization and performance

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What is the difference between a managed and unmanaged switch?

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SearchUnifiedCommunications

Emerging UCaaS trends include workflow integrations and AI

Users push for Outlook tab in Microsoft Teams

UCaaS market verticals require custom platform features

SearchMobileComputing

Augmented reality technology matures but deployment hurdles remain

Samsung Unpacked 2020 a foreshadowing of enterprise mobility trends

Consider device attestation over MDM for specific use cases

SearchDataCenter

Learn the main Linux OS components

New Dell EMC PowerEdge servers are built for the rugged edge

Initiative aims to improve data center incident reporting

SearchITChannel

Salesforce consulting services deals go global

AV as a service emerges as opportunity for MSPs

Google Cloud adds mainframe migration expertise via acquisition

Dig Deeper on WAN optimization and performance

How SD-WAN can unlock UCaaS benefits

7 steps to select the right product for deploying SD-WAN for VoIP

What cloud data center interconnect technologies can do

Four tips for moving to a new managed SD-WAN service provider

Related Q&A from Sudhanshu Gupta

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