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Learn to apply best practices and optimize your operations.
Manage
Learn to apply best practices and optimize your operations.
Securing from anywhere: Your mobile device VPN strategy
Virtual private networks have long secured remote users. Learn how a mobile device VPN factors into your security strategy. Continue Reading
Network programming languages Frenetic and Pyretic simplify OpenFlow
OpenFlow can simplify networks, yet the protocol itself is complex. Network programming languages Frenetic and Pyretic streamline OpenFlow SDN. Continue Reading
How many devices can one 802.11n standard access point control?
Expert Mike Jude reveals the technical and theoretical limitations of 802.11n access points as more enterprises upgrade to the new standard. Continue Reading
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WAN aggregation: Why you should consider this application delivery optimization technique
What is WAN aggregation, and how does it work? Our expert explains why all companies should consider this type of application delivery optimization. Continue Reading
Subnet basics: Must you set up Wi-Fi subnets in a single building?
Expert Mike Jude discusses the rationale of creating distinct Wi-Fi subnets in a single building. Continue Reading
Take steps to defend your network using DHCP snooping
Learn how to enable DHCP snooping to secure your network against common breaches including man in the middle attacks and ARP poisoning.Continue Reading
Identifying and mitigating cloud computing vulnerabilities
How successful a cloud provider is in growing its business depends on its ability to dispel customer concerns about data security and privacy.Continue Reading
Six ways hackers try to break Secure Sockets Layer-encrypted data
Security expert Michael Gregg discusses steps enterprises should take to ensure their SSL-encrypted data remains secure.Continue Reading
Overcoming network functions virtualization implementation challenges
Carriers need network functions virtualization implementation prespecification, so they'll look to TM Forum and cloud management models for help.Continue Reading
OVSDB (Open vSwitch Database Management Protocol)
The Open vSwitch Database Management Protocol (OVSDB) is an OpenFlow configuration protocol that is designed to manage Open vSwitch implementations.Continue Reading
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Where SDN and DPI technology meet: Centralized control and automation
When SDN and DPI technology meet, network engineers can apply monitoring and management policy to the whole network instead of individual components.Continue Reading
IETF SDN: I2RS uses traditional routing protocols in software networks
The IETF SDN strategy relies on centralized management and distributed decision making with traditional network protocols -- departing from OpenFlow.Continue Reading
OF-Config (OpenFlow Configuration and Management Protocol)
The OpenFlow Management and Configuration Protocol (OF-Config) is a protocol developed under the Open Networking Foundation used to manage physical and virtual switches in an OpenFlow environment.Continue Reading
Virtual overlay networks: Tunneling protocols enable multi-tenancy
Virtual overlay networks use tunneling protocols to extend isolated network segments between servers for multi-tenant data center networks.Continue Reading
Wide area network resiliency best practices
Learn about network resiliency best practices to keep your wide area network (WAN) services running during technical difficulties and outages.Continue Reading
IT service-level agreements and SDN: Assuring virtualization performance
With SDN with network virtualization, service providers can improve server virtualization performance and offer improved service-level agreements.Continue Reading
IPv6 cost considerations
Before you make the switch to the new Internet Protcol, it's important to understand these IPv6 cost considerations.Continue Reading
SDN security strategies for network attack prevention
With a deeper level of visibility and granular control, SDN security strategies can better prevent a wide range of network attacks.Continue Reading
"Network management news, advice and technical information" RSS feed is moving!
As of July 1, the "Network management news, advice and technical information" RSS feed will be moving off of the Pheedo platform. Instead, please bookmark the following URL to make sure you continue to receive our content: http://...Continue Reading
Understanding the relationship between SDN and NFV
SDN and NFV are not part and parcel to each other, but when the two sets of technology meet they advance each other's capabilities.Continue Reading
In mobile networks, SDN and NFV mean service orchestration
In mobile networks today, it can take months to deploy infrastructure and services, but SDN and NFV allow for orchestration and dynamic provisioning.Continue Reading
How network functions virtualization will revolutionize architecture
Using NFV, engineers can virtualize devices and services in large networks to make their architectures cost efficient and flexible.Continue Reading
Virtualization management: What you need to know about the Nexus 1000v
Cisco's Nexus 1000v platform gives network administrators some familiar tools to oversee virtual networks.Continue Reading
Defining a strategy for using virtual switches in your network
As you plan a strategy to up the number of virtual switches in your network, brush up on distributed and non-distributed virtual switch choices.Continue Reading
OpenFlow configuration protocols: Understanding OF-Config and OVSDB
OpenFlow directs network packet flows, but OpenFlow configuration protocols, OF-Config and OVSDB, form relationships between controllers and switches.Continue Reading
Network security assessment: Test firewalls, IDS in multiple ways
Network administrators need to test internal systems such as firewalls and IPS/IDS devices to ensure their networks are safe.Continue Reading
Quiz: Managing the enterprise network
This five question quiz accompanies Henry Svendblad's presentation series on managing the Enterprise Network. Test your retention of the materials Svendblad covered in his video series on enterprise network management.Continue Reading
Enterprise network management: Understanding the new IT landscape
This video explores the changing IT landscape and focuses on cloud, virtualization and service-based IT models, and managing these technologies in your network.Continue Reading
ISSU (in-service software upgrade)
An ISSU (in-service software upgrade) is a technique for updating software on a network device without taking that device offline and thereby disrupting network services.Continue Reading
SSL certificate management: A practical guide
Certificate management is faced by many but understood by few. This guide provides a refresher of the basics and covers common tasks.Continue Reading
How data center network fabric and SDN intersect
SDN and data center network fabrics both enable converged networking and the ability to manage many switches as one. Where do the two intersect?Continue Reading
Application performance monitoring tools: Three vendor strategies
Application performance monitoring tools match user transaction time to network flow information to identify problems. But APM tools differ widely.Continue Reading
Centralized vs. decentralized SDN architecture: Which works for you?
Two SDN architecture models -- centralized and decentralized -- have much in common, but key differences center on the use of the OpenFlow protocol.Continue Reading
Network functions virtualization primer: Software devices take over
With network functions virtualization (NFV), engineers replace network devices with software on basic servers for flexibility and cost reduction.Continue Reading
Software defined networking security enables granular policy control
Software defined networking introduces network programmability and granular traffic management, which could contribute to enhanced SDN security.Continue Reading
Why IT professionals hesitate to invest in an SDN strategy
How do I disable VPN passthrough? What are the pros and cons to disabling it?
In this Ask the Expert response, Rainer Enders explains how to disable VPN passthrough and what the benefits and drawbacks are.Continue Reading
Mobile network management apps: Monitoring on the go
Paessler AG’s iPRTG v3.0 application bids mobile network management
Extreme Networks Inc. offers mobile network management app portfolio
iSpace and iSpace Pro put Juniper on the mobile network management map
Mobile network management applications offer monitoring on the go
As smartphone and tablet devices in the enterprise grow, vendors are developing mobile network management apps for iOS and Android, offering accessible views into the network.Continue Reading
OA&M (operations, administration, and management)
OA&M (operations, administration, and management) is a general term used to describe the costs, tasks involved, or other aspects of operating, administering, and managing something such as a computer network.Continue Reading
Upgrading your network: Top tips and timesavers
This SearchNetworking.com handbook will explore the challenges, best practices and essential technologies for responding to the shortcomings of today's network, as well as future-proofing your network for tomorrow's business challenges. We offer ...Continue Reading
Troubleshooting remote scripting using Network Monitor 3.0 -- Managing Windows networks using script
Learn how to use Network Monitor 3.0 for troubleshooting a remote scripting error in this tip originally published on WindowsNetworking.com.Continue Reading
baseboard management controller (BMC)
A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors and communicating with the system administrator through an independent ...Continue Reading
Common Management Information Protocol
Common Management Information Protocol (CMIP) is a network management protocol built on the Open Systems Interconnection (OSI) communication model.Continue Reading
policy-based networking
Policy-based networking is the management of a network so that various kinds of traffic - data, voice, and video - get the priority of availability and bandwidth needed to serve the network's users effectively.Continue Reading
FCAPS (fault-management, configuration, accounting, performance, and security)
FCAPS is a network management framework created by the International Organization for Standardization (ISO). FCAPS categorizes the working objectives of network management into five levels. The five levels are: fault-management (F), the ...Continue Reading
Cisco WLAN design best practices
Wireless LAN (WLAN) technology has built-in security features, but a one-size-fits-all approach won't ensure adequate security for your organization. This tip provides best practices for designing your security architecture, including user community...Continue Reading
How IPsec provides secure communications
IPsec provides secure site-to-site VPNs, remote access and host-to-host communication. In this tip, we peek inside the tunnel and examine how IPsec works.Continue Reading
Network test plan: Checklist for architecture changes
For every change you make to your network architecture, you should have a test plan and a backout plan. In this tip, learn how to build a test plan and review a sample checklist of things to include.Continue Reading
CCNA exam preparation guide
A learning guide for CCNA exam preparation with book chapters, expert advice and quiz.Continue Reading
How SSL and TLS secure network transactions
SSL and TLS are protocols that were developed primarily to protect Web transactions, but they can be used to protect any type of network traffic that utilizes TCP at the transport layer, including the popular SSL VPN. In this tip, learn how SSL and ...Continue Reading
How round-trip time and limiting data rate impact network performance
This tip reviews how network parameters such as round-trip time and limiting data rate affect network performance.Continue Reading
loopback test
A loopback test is a test in which a signal in sent from a communications device and returned (looped back) to it as a way to determine whether the device is working right or as a way to pin down a failing node in a network.Continue Reading
Open source network tools
Some of the most commonly used, enterprise-ready open source tools are used for networking applications; likewise, many networking tasks can be accomplished quickly and cheaply using open source tools. In this guide, we present advice and resources ...Continue Reading
OpenNMS, an introduction: Affordable network management
Open source expert Maria Winslow brings network managers up to speed about the free open source enterprise-grade network-management system OpenNMS.Continue Reading
Best practices for network management in the non-profit world
Discover how the Washington, D.C.-based National Parks Conservation Association developed their network management solution to ensure network uptime and availability.Continue Reading
Implementing software restriction policies
This tip explains how you can use software restriction policies to keep your workstations in pristine shape and cut down on help desk calls at the same time.Continue Reading
The importance of IP address management
IP addresses are an integral part of any corporate network, and companies large and small are consuming them faster with more applications and devices than ever before. Overlooking the importance of getting a handle on IP addresses can prove ...Continue Reading
Network asset management software
Network asset management software acts as a watchdog and can help save staff time, downtime, and money -- and thwart security disasters before they happen. David Jacobs explains how it can be of service to your organization in this tip.Continue Reading
802.11 Learning Guide
802.11 is perhaps the fastest-changing network protocol around. We've gathered a wealth of information to get you up-to-speed quickly on the various specifications. Learn about all the 802.11 wireless LAN (WLAN) specifications in this learning guide.Continue Reading
media access management
In the Open Systems Interconnection (OSI) communication reference model, media access management is performed by the Media Access Control (MAC) sublayer of the Data-Link Layer.Continue Reading
Guide to network performance management
This guide introduces you to network management best practices and pitfalls to avoid, and provides troubleshooting help and advice for monitoring and maintaining your network for best performance.Continue Reading
Secure WLAN best practices and topology
Expert Michael Martin provides a list of wireless security "dos and don'ts" and a sample topology for a secure WLAN.Continue Reading
LANDesk Client Manager (LDCM)
LDCM (LANDesk Client Manager) is a software product from Intel that lets a system administrator for a local area network () see the configurations and monitor the status of personal computer on the LAN. LDCM is an implementation of the Desktop ...Continue Reading
The importance of asset management
Keeping track of your machines isn't just bean-counter busywork. It's an essential enterprise task that facilitates hardware and software management, license compliance, regulatory compliance, and security. Indeed, a successful asset management ...Continue Reading
Design, install and evaluate
Network administrator tips for designing, installing and evaluating your network.Continue Reading
Backup management
Network administrators resources for backup management.Continue Reading
Network management and troubleshooting
Networks administrators guide to management and troubleshooting.Continue Reading
Network documentation and auditing
Network administration assistance for documentation and auditing is presented in this section of our series.Continue Reading
Can you explain the ICMP ping test?
Network administrator security policies
Some security policy elements that are specific to network administrators.Continue Reading
How do I connect my managed switch to a patch panel?
Routing First-Step: Classless Internet addressing
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
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
What are the main challenges facing DNS management today?
What are the main challenges facing DNS management today?Continue Reading
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
Cabling Cisco devices
Gain expertise with networking scenarios for certification and production environment.Continue Reading
Networking hardware, Lesson 2: Switches and bridges
Explanation of how switches and bridges work.Continue Reading
LearnIT: Virtual LANs
What is a virtual LAN? This guide explains the basics in one easy to read format.Continue Reading