Network Management Strategies for the CIO
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Wireless LANs and Multimedia: Matching wired network performance and quality
In this edition of Network Evolution, experts reveal how video can seriously stress a wireless LAN, but learn how engineers are re-architecting networks and taking other measures to ensure performance. In addition, you'll get the latest expert advice... E-Zine
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BYOD networking guide: WLAN management and access policies
It'll take new WLAN management strategies and BYOD policies to tackle the challenges that arise when personal devices connect to the network en masse. Guide
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The importance of WLAN testing: From planning to documentation
This chapter on WLAN testing covers WLAN test planning and documentation and crucial testing methods for performance, security and signal coverage. Book Chapter
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Balancing wireless LAN troubleshooting strategies for BYOD
Security is only half the challenge when it comes to supporting a BYOD WLAN. The rest depends on WLAN troubleshooting to handle personal device drain. Feature
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Four IT shops, four approaches to BYOD network security
With no single solution for BYOD network security, engineers are getting crafty at integrating varied technologies to handle the challenge. Feature
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Wireless sniffing best practices using Wireshark
Wireless sniffing using Wireshark lets engineers troubleshoot poor performance and connectivity problems, as well as analyze traffic activity on the network. Book Chapter
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Doing more with spectrum analysis: Cisco CleanAir
Wireless engineers have had spectrum analysis in their toolboxes for a long time, but the CleanAir solution from Cisco integrates the tool directly into the WLAN infrastructure. Network administrators who deploy this enhanced level of spectrum intell... TechWatch
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Wireless network reporting tool: Graph performance behavior with Pilot
Learn how to improve your wireless networking behavior and performance monitoring reports by using Pilot, a graphing tool that will significantly reduce your traffic analysis time and allow you to get right to troubleshooting the problems end users c... In Laura's Lab
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Upgrading to 802.11n: Key considerations
802.11n physical and link layer enhancements could significantly increase your WLAN's speed, capacity, reach and reliability. But realizing this potential requires proper deployment: Your 802.11n upgrade must be explicitly designed to satisfy your bu... Checklist
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Wireless troubleshooting
Wireless network troubleshooting basics are discussed in this guide. Learning Guide
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Wireless network deployment and management
Wireless network deployment and management are discussed in this guide. Learning Guide
- See more Essential Knowledge on Troubleshooting Wireless Networks
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WLAN design tools prepare enterprises for optimal Wi-Fi experiences
WLAN design tools and site surveys are prerequisites for an optimal wireless experience; Xirrus announces its cloud-based Wi-Fi design application. News | 31 Jul 2013
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Networking blogs: PRISM and cloud data security; Dell debuts VRTX
In this blog roundup, read about the effects the PRISM scandal has on cloud data security and get a demo on troubleshooting managed switches. News | 13 Jun 2013
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Networking blogs: Troubleshoot with ClearSight Analyzer; DevOps demand
Bloggers explain how to use the ClearSight Analyzer to monitor packets and assuage network engineers' concerns about the growing demand in DevOps. Fast Packet | 07 Jun 2013
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Q&A: Why WLAN test tools should evolve quickly -- but likely won't
Network consultant Peter Welcher talked to SearchNetworking about the evolution of WLAN test tools as more businesses look to wireless networks. Q&A | 16 May 2013
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Networking blogs: Owning data center monitoring, push for OpenStack
In this blog roundup, see why IT needs a better approach to monitoring data centers, and how vendors differentiate by using a common infrastructure. Fast Packet | 02 May 2013
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Networking blogs: Network visibility, installing Grizzly with DevStack
In this week's roundup, bloggers explain how to install Grizzly with DevStack and explore the question of visibility in the virtualized network. Fast Packet | 19 Apr 2013
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Networking blogs: Tips for network strategies, handling tech support
Bloggers in this week's roundup advise ditching tech-specific plans for more general corporate strategies, and approaching tech support with caution. Fast packet | 04 Apr 2013
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Unified wired and wireless: Aerohive switches and revamped HiveManager
Aerohive campus Ethernet switches and a revamped HiveManager unify networks and improve application visibility and control. News | 06 Mar 2013
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Need seamless Wi-Fi roaming? Research orgs find an answer with eduroam
With eduroam, universities enable Wi-Fi roaming between disparate campus networks without requiring manual login. Why can't enterprises do the same? News | 29 Jan 2013
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Cisco Unified Access blends wired, wireless management for IT
Cisco Unified Access integrates wired, wireless network management, simplifying IT operations for enterprises. News | 17 Oct 2012
- See more News on Troubleshooting Wireless Networks
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In BYOD networking, no single solution
Since there is no silver bullet for BYOD networking challenges, engineers need to get creative in technology integration … and then get management on board. Column
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Provisioning wireless LAN access for BYOD requires integrated tools
IT shops lacking resources to manually configure hundreds of personal devices can automate wireless LAN access provisioning for BYOD with the right tools. Expert Tip
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How UPenn tackled wireless LAN access for 46,000 BYOD clients
To handle 46,000 clients and 20,000 concurrent connections, UPenn had to automate wireless LAN access provisioning, but that was only a first step. Expert tip
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Ensuring wireless network optimization for application performance
Wireless LANs are faster than ever, but engineers must still ensure wireless network optimization for maximum application performance. Tip
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Tools to improve wireless video performance
Seeking to improve wireless video delivery? The answer could be in proprietary network enhancements and WLAN performance measurement tools. Expert Tip
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Myth vs. Reality: Cloud-managed Wireless LAN
New cloud-managed wireless LAN services have many users wondering whether Wi-Fi management as a service is dependable. Wireless expert Lisa Phifer goes on a myth-busting mission. Tip
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Optimizing network performance for WLAN real-time applications
Transitioning to WLAN calls for network infrastructure upgrades, making supporting real-time applications tricky. This guide explains strategies for optimizing network performance. Tip
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Hadoop enables distributed 'big data' processing across clouds
The Hadoop framework enables distributed 'big data' processing across servers that can improve application performance and offer up redundancy. Tip
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How to make enterprise wireless LAN work
The size of an enterprise WLAN brings new technical challenges. Now vendors are tackling issues of capacity management and automated provisioning for mobile clients. Tip
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Controlling embedded Wi-Fi device access
Enterprise IT shops are finding themselves using WPA2-Personal and other authentication methods to manage embedded Wi-Fi devices on the WLAN. Tip
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How to ensure WLAN performance optimization
To ensure wireless LAN performance optimization, you’ll need to implement new WLAN measurement and testing tools and conduct WLAN performance testing periodically even after network implementation. Tip
- See more Tips on Troubleshooting Wireless Networks
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Is WEP cracking still a worrisome WLAN security issue?
Wireless expert Lisa A. Phifer explains to what extent WEP cracking remains a worrisome issue. It all depends on your company's WLAN security policy. Answer
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Is 802.1X authentication good enough for WLAN access control?
Wireless expert Lisa A. Phifer explains why you shouldn't stop using 802.1X authentication methods for enterprise WLAN access control. Answer
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How the 802.11ac standard impacts security
The upcoming 802.11ac standard is an improvement over 802.11n, but how could security be impacted? Wireless expert Lisa A. Phifer explains. Answer
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Wireless network setting considerations for Android troubleshooting
Wireless expert Lisa Phifer addresses Android troubleshooting and the ways that changing wireless network settings could solve connectivity problems. Answer
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When military radar causes fixed broadband wireless interference
Military radar may cause fixed broadband wireless interference. This expert tip explains tests and ideas to check if this is the case and how to address this interference. Answer
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Multiple access point configuration: Distinguish transmitted signals
Lisa Phifer explains multiple access point configuration when a device tries to differentiate transmitted signals from each point and explains potential issues. Answer
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Concurrent connection issues: Get wireless and wired to play nice
Wireless expert, Lisa Phifer explores concurrent connection issues and remedies with a printer requiring a wired connection plugged into a computer with a wireless connection to the Internet. Answer
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Access point problems running on PoE
Powering a wireless access point using Power over Ethernet is usually a straightforward process, but troubleshooting an issue can be tricky. Wireless expert Lisa Phifer steps through some possible solutions and where to look for additional help in d... Ask the Expert
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Extending 802.11n wireless LAN and connecting two WLANs
Extending 802.11 WLANs inside a large office can be done by bridging access points together, while outdoor mesh solutions can be used to connect two WLANs between buildings on a small campus. Ask the Expert
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iPad WLAN performance problems emerge
Right out fo the gate, business users are running into problems with iPad WLAN performance, wondering: Why won't my iPad stay connected to the WLAN? While it seems there may be some inherent iPad WLAN problems, there are a number of iPad WLAN trouble... Ask the Expert
- See more Expert Advice on Troubleshooting Wireless Networks
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radio frequency (RF, rf, orr.f.)
Radio frequency (abbreviated RF, rf, orr.f.) is a term that refers to alternating current (AC) havingcharacteristics such that, if the current is input to an antenna, an electromagnetic (EM) field is generated suitable for wireless broadcastingand/or... Definition
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iDEN (Integrated Digital Enhanced Network)
iDEN (Integrated Digital Enhanced Network) is a wireless technology from Motorola combining the capabilities of a digital cellular telephone, two-way radio, alphanumeric pager and data/fax modem in a single network. Definition
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home agent
In Mobile Internet Protocol (Mobile IP), a home agent is a router on a mobile node's home network that maintains information about the device's current location, as identified in its care-of address. Definition
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spectrum analyzer
A spectrum analyzer is a laboratory instrument that displays signal amplitude (strength) as a function of frequency... Definition
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802.11a
802.11a is one of several specifications in the 802.11 family applicable to wireless local area networks (wireless LANs or WLANs). Definition
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repeater
In digital communication systems, a repeater is a device that receives a digital signal on an electromagnetic or optical transmission medium and regenerates the signal along the next leg of the medium. Definition
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Wireless LAN management strategies
Implementing a WLAN is straightforward, but making sure it runs optimally can be challenging. Luckily, networking professionals can control and maintain their wireless networks by using well-known methodologies based on the OSI model. Here we outline... Audiocast
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WLAN design tools prepare enterprises for optimal Wi-Fi experiences
WLAN design tools and site surveys are prerequisites for an optimal wireless experience; Xirrus announces its cloud-based Wi-Fi design application. News
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Networking blogs: PRISM and cloud data security; Dell debuts VRTX
In this blog roundup, read about the effects the PRISM scandal has on cloud data security and get a demo on troubleshooting managed switches. News
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Networking blogs: Troubleshoot with ClearSight Analyzer; DevOps demand
Bloggers explain how to use the ClearSight Analyzer to monitor packets and assuage network engineers' concerns about the growing demand in DevOps. Fast Packet
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Q&A: Why WLAN test tools should evolve quickly -- but likely won't
Network consultant Peter Welcher talked to SearchNetworking about the evolution of WLAN test tools as more businesses look to wireless networks. Q&A
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Networking blogs: Owning data center monitoring, push for OpenStack
In this blog roundup, see why IT needs a better approach to monitoring data centers, and how vendors differentiate by using a common infrastructure. Fast Packet
-
Networking blogs: Network visibility, installing Grizzly with DevStack
In this week's roundup, bloggers explain how to install Grizzly with DevStack and explore the question of visibility in the virtualized network. Fast Packet
-
Networking blogs: Tips for network strategies, handling tech support
Bloggers in this week's roundup advise ditching tech-specific plans for more general corporate strategies, and approaching tech support with caution. Fast packet
-
Unified wired and wireless: Aerohive switches and revamped HiveManager
Aerohive campus Ethernet switches and a revamped HiveManager unify networks and improve application visibility and control. News
-
BYOD networking guide: WLAN management and access policies
It'll take new WLAN management strategies and BYOD policies to tackle the challenges that arise when personal devices connect to the network en masse. Guide
-
The importance of WLAN testing: From planning to documentation
This chapter on WLAN testing covers WLAN test planning and documentation and crucial testing methods for performance, security and signal coverage. Book Chapter
- See more All on Troubleshooting Wireless Networks
About Troubleshooting Wireless Networks
Wireless network connectivity troubleshooting involves understanding the management tools and strategies used to reduce interference problems and improve wireless LAN performance and throughput. Whether you're dealing with Linksys appliances, Windows Vista or XP, this section provides material to help you fix your enterprise Wi-Fi.