Network infrastructure
Network hardware and physical appliances, such as routers, switches, gateways, hubs and bridges, serve as the vital foundation of network infrastructure. Common network protocols and more emergent network software also play major roles in any architecture. While networking has shifted to software-centric principles, see how traditional network infrastructure keeps pace.
Top Stories
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Tutorial
05 Aug 2025
How Ansible's Python framework enables network automation
Ansible's use of Python scripts creates a powerful network automation tool. This guide shows how to automate router tasks with Ansible in a GNS3 lab, such as VLAN setup and backup. Continue Reading
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News
31 Jul 2025
DOJ firings spark fresh HPE-Juniper deal scrutiny
Reported involvement from intelligence agencies, lobbyists may have helped push the merger through before a planned antitrust trial, causing infighting at the Justice Department. Continue Reading
- Answer 01 Feb 2005
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Answer
11 Jan 2005
Can you assign an IP address ending in .0 or .255?
Learn how to assign an IP address ending in .0 or .255 from networking fundamentals expert Chris Partsenidis in this Q&A. Continue Reading
- Answer 22 Nov 2004
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Tutorial
07 Oct 2004
Routing First-Step: IP header format
Routing and Internet addressing are two important concepts involved in networking. Routing First-Step covers the basics of routing in clear, easy-to-understand language. Continue Reading
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Tutorial
26 Jul 2004
Five critical planning steps for wireless LANs, Step 5: Manageability -- Switching to WLAN switches
This article explains how WLAN switches will help to alleviate manageability issues. Continue Reading
- Answer 20 Jul 2004
- Answer 30 Jun 2004
- Answer 30 Apr 2004
- Answer 14 Apr 2004
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