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Use this BGP tutorial to learn how the protocol works
Border Gateway Protocol is the complex routing protocol that literally makes the internet work. This tutorial walks you through how BGP functions and offers troubleshooting options.
News
Acacia buy makes Cisco a bigger player in DCI market
Cisco plans to buy Acacia for $2.6 billion. Cisco's acquisition will make it a direct supplier of optical interconnects for the data centers of carriers and service providers.
Evaluate
Clear up cloudy insight into transformation, security
In this roundup of networking blogs, experts dive into three facets of networking that cloud can affect: network transformation, planning and security.
Evaluate
5G technology to drive SD-WAN deployment
As 5G deployment ramps up in the coming years, the technology will transform enterprise WAN connectivity, help drive SD-WAN rollouts and stir up market competition.
Your Free CCNA Certification Prep Guide
Achieving your CCNA certification requires a true in-depth understanding of network fundamentals and network security technologies, so it’s important to stay on track with your studies. Download this exclusive prep guide to gain a clear understanding of the CCNA exam today and take a 10-question practice quiz to help you determine if you’re ready for your certification.
Trending Topics
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Data Center Network Infrastructure Evaluate
How SDN benefits the small business
As SDN matures and evolves from its original definition, it's getting harder for small businesses to ignore the benefits of SDN, like better visibility, security and efficiency.
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Wireless LAN Implementation News
Consumers see no immediate need for 5G
A PwC 5G survey finds service providers will have to educate consumers and build unique services if they expect potential buyers to pay more for the high-speed wireless technology.
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Network Security Best Practices and Products News
Multiple connections thwart security on SD-WANs
Networking analysts and engineers examine SD-WAN security concerns, the importance of cabling in wireless environments and a new security attack that's difficult to detect.
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Network analytics Problem Solve
Does legacy monitoring work with new analytics tools?
Legacy network monitoring and new analytics tools don't often mix. One workaround is APIs, but a better option is to upgrade older management software.
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Network Design Evaluate
What is SD-WAN? Future, challenges, benefits of SD-WAN technology
What is SD-WAN and how can it change the way networks operate? Discover its advantages, challenges, important key terms and where the future of SD-WAN could take you.
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Network Monitoring News
Study: Network pros spending more time on security
A majority of networking professionals spend 10 or more hours a week on security initiatives, a study finds.
Topics Covered
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Campus area network (1) +
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Data Center Networking (3) +
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Network Infrastructure (7) +
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Network management and monitoring (2) +
Network Security
Networking careers and certifications
Software-defined networking
Telecommunication networking
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WAN technologies and services (3) +
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Andrew Froehlich asks:
What roles have stateless or stateful firewalls played in your network security strategy?
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Evaluate
Clear up cloudy insight into transformation, security
In this roundup of networking blogs, experts dive into three facets of networking that cloud can affect: network transformation, planning and security.
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5G technology to drive SD-WAN deployment
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Times are changing for network certifications
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Could open source software benefit your SD-WAN?
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Problem Solve
Does legacy monitoring work with new analytics tools?
Legacy network monitoring and new analytics tools don't often mix. One workaround is APIs, but a better option is to upgrade older management software.
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What are some of the roles of a network engineer?
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School deploys Meraki Wi-Fi 6 gear in wireless upgrade
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Hub vs. switch vs. router: What's the difference?
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Manage
3 common use cases for network automation
The real benefits of network automation are managing multiple network devices at once. Larger networks, in particular, can benefit from these network automation use cases.
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How to improve network visibility and regain control
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Introduction to firewalls: Types of firewalls
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The effect of market research on network transformation
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Buyer's Handbook | June 2019
Navigating the network analytics software buying process
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E-Handbook | April 2019
New options to enable remote access in the network
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E-Handbook | April 2019
What you need to know about edge computing architecture
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Buyer's Handbook | March 2019
Wireless LAN technology and WLAN tools buyer's guide
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E-Handbook | March 2019
How to handle new network monitoring complexities
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Networking Basics
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Get Started
What role does state play in networking?
When it comes to understanding state from a networking perspective, knowing the difference between stateful vs. stateless firewalls is a crucial starting point.
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Get Started
Address Resolution Protocol (ARP)
Address Resolution Protocol (ARP) is a procedure for mapping a dynamic Internet Protocol address (IP address) to a permanent physical machine address in a local area network (LAN).
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Get Started
5G
Fifth-generation wireless (5G) is the latest iteration of cellular technology, engineered to greatly increase the speed and responsiveness of wireless networks.
Vendor Resources
- Ways You Can Prepare for IBN –Resource
- The Impact of Edge Computing on Data Center Networks –Resource
- SD-WAN: Is it Right for You? –Resource
Blog: The Network Hub
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5 questions to ask about open data centers
Editor's note: In this opinion piece, industry analyst Zeus Kerravala shares his thoughts on open data centers and Extreme Networks' approach. Extreme Networks is a client of Kerravala's ZK ...Continue Reading
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Expect slow adoption of 400 Gigabit Ethernet, for now
Editor's note: In this opinion piece, industry analyst Zeus Kerravala shares his thoughts on 400 Gigabit Ethernet adoption and Arista Networks' 400 GbE approach. Arista is a client of Kerravala's ...Continue Reading
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More The Network Hub Posts
Merging wired and wireless networks spawns valuable analytics
Palo Alto Networks adds cloud analytics with RedLock acquisition
Cisco to acquire Viptela
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News
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Telecommunication networking
Acacia buy makes Cisco a bigger player in DCI market
Cisco plans to buy Acacia for $2.6 billion. Cisco's acquisition will make it a direct supplier of optical interconnects for the data centers of carriers and service providers.
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Wireless LAN (WLAN)
A buy-U.S. market greets new Huawei switches
The latest refresh of the Huawei CloudEngine switches highlights the preference of U.S. and Chinese enterprises to buy homegrown gear.
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Software-defined WAN (SD-WAN)
Extreme to plug hole in WLAN offering with Aerohive buy
Extreme Networks' Aerohive acquisition would fill a gap in Extreme's WLAN portfolio by adding a cloud-based management option competitive with Cisco and Aruba.