This interface is preferred by IT generalists, executives, and IT stakeholders who manage to monitor but do not have physical access to the data center floor.Įxternal interfaces are also available as follows: A Web browser-based graphical interface While most vendors offer drag and drop capabilities, there is a wide range of GUI options offered on these products, some requiring CLI and some not.
NET MONITOR WIKIPEDIA SERIAL
Some data monitoring switches offer different management interfaces (fully integrated GUI, automation, etc.), load balancing across multiple tool ports, filtering on patterns in packet payloads, and converting media and data rates so tools can be used to monitor traffic from dissimilar links. As such, each product sports benefits that none of the competitors includes.
NET MONITOR WIKIPEDIA SOFTWARE
This capability can prevent tool oversubscription and facilitate drilling down on issues.Īs this is still a relatively new set of technologies, there are several different approaches to the hardware and software configurations. In addition to directing monitoring traffic, data monitoring switches are capable of filtering traffic by Layer 2 to Layer 4 protocol criteria such as VLAN or IP address, enabling only traffic of interest to be sent to specific tools. Many network links to many monitoring tools (dynamic many-to-many connectivity).Many network links to one monitoring tool (aggregation).One network link to many monitoring tools (regeneration).One network link to one monitoring tool.
A unique characteristic of the data monitoring switch, as opposed to matrix switches and aggregating Taps, is that it can support a flexible set of port mappings including: When several monitoring tools are connected to the data monitoring switch's tool ports, copies of traffic from any of the network ports can be switched to any of the tools using the data monitoring switch's management interface. Some devices can interconnect chassis to configure logical systems with hundreds of ports, although user interface complexity can serve as a limiting factor in many products. Network input ports may be paired to provide in-line connectivity (integrated Tap function), or out of band (mirrored) to take input from external network Taps or network switch SPAN ports. Ports may be dedicated as network inputs or tool output, or maybe configurable as either, with most products trending toward the latter. Several other terms have been used to describe this class of devices, including data access switch, tool aggregator, network packet broker, net tool optimizer, and distributed filter tap.Ī data monitoring switch typically provides 24 to 38 ports in a 1U 19-inch chassis, with higher port density devices expected in the future (ask about dimensions from the vendor - devices with higher port density or many card slots may be 2U or larger). Some of these devices also provide functionality that helps justify tool purchases and simplify deployment and management of the device itself. ĭata monitoring switches enable organizations to use their monitoring tools more efficiently, centralize traffic monitoring functions, and share tools and traffic access between groups. It provides a combination of functionality that may include aggregating monitoring traffic from multiple links, regenerating traffic to multiple tools, pre-filtering traffic to offload tools, and directing traffic according to one-to-one and many-to-many port mappings. A data monitoring switch is a networking hardware appliance that provides a pool of monitoring tools with access to traffic from a large number of network links.
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