Fortigate now supports Netflow export by extending its monitoring capabilities to routers and switches. FortiOS 5.2 comes with several features, such as NetFlow V9 export for network devices like routers, switches, and Vdoms. Fortinet’s NetFlow exports unidirectional network …
DDoS Attack Detection Using NetFlow Analyzer
A distributed denial of service (DDoS) attack is basically a flood of illegitimate traffic that is sent to a network resource from an IP address or a group of IP addresses, rendering the network resource unavailable. A DDoS attack is …
Gaining Deeper Visibility on QoS Hierarchy with ManageEngine NetFlow Analyzer
Quality of Service (QoS) has been a hot technology since its inception. QoS combines multiple technologies that help in building good traffic patterns on a computer network. To deploy a simple QoS policy that prioritizes business-critical applications on your network …
Analyzing ART Using NetFlow Analyzer
Network administrators evaluate an application’s performance by measuring response time, round trip time, packet loss, and delay. However, this method poses certain limitations, because you can monitor only the applications, servers, and network devices within the hosted network boundary. And, …
Monitoring NetFlow-Lite Data in New Cisco 2900 and 4900 Series Switches Using NetFlow Analyzer
Using NetFlow technology, network administrators can efficiently monitor bandwidth usage for capacity planning and resource allocation. Until now, NetFlow monitoring was supported only in Cisco high-end switches, such as Cisco Catalyst 3K, 4K, and 6K series switches. Cisco’s NetFlow-Lite is …
Application Visibility and Control for Better Bandwidth Analysis
Traditionally, using NetFlow to perform bandwidth analysis on application visibility was primarily based on port and protocol information. The monitoring software identifies applications as HTTP, HTTPS, SMTP, and other protocols based on mapping well-known ports and protocols.
Today, most applications …
Quality of Service (QoS): A Good Traffic Engineering Component
Today, we commonly see IT budget reduction, cost cutting, and barriers for potential network circuit upgrades. In this tough economic situation, the motive of a network administrator should be optimizing the current infrastructure for future accommodations.
Optimization plays a major …
Identifying Layer 7 Application Traffic to Make Your WAN Hum
Network administrators around the globe are very concerned about the type of traffic that is exiting their network. They want their critical business application over the WAN to perform at its best. Non-critical applications like web traffic and social media …
This Week’s Five: Tune Your Bandwidth
This Week’s Five is the column where we bring to you a collection of five interesting reads from all over the web, with a different topic every week. This week, we are exploring the importance of bandwidth and traffic flow…