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Interface Groups Provided by NNMi

NNMi Provides the following Interface Groups as predefined view filters. These Interface Groups can also be used for Monitoring Configuration if you find them useful.

Feel free to populate these Interface Groups with specific information about your management domain and change them to meet your needs.

Interface Groups Provided by NNMi
Name Purpose
ATM Interfaces This Interface Group includes all Interfaces identified as Asynchronous Transfer Mode (ATM) links. These Interfaces use a cell-based switching technique using asynchronous time division multiplexing.
DSx Interfaces This Interface Group includes all Interfaces identified as Digital signal 1 (DS1, also known as T1) links. These Interfaces use a T-carrier signaling scheme to transmit voice and data between devices. Digital Signal 3 (DS3, also known as T3) links use a digital signal level 3 T-carrier.
Frame Relay Interfaces This Interface Group includes all Interfaces identified as Frame Relay links. These Interfaces use a standardized wide area networking technology that specifies the physical and logical link layers of digital telecommunications channels using a packet switching methodology.
ISDN Interfaces This Interface Group includes multiple Interface types known to be commonly used for ISDN purposes. Any Interface within your management domain that meets the defined criteria is automatically included in this Interface Group.
Link Aggregation Interfaces

(NNMi Advanced) Link AggregationProtocols used on Switches to configure multiple Interfaces (Aggregation Member Interfaces) to function as if they were one (an Aggregator Interface). When two Aggregator Interfaces establish a connection, that connection is an Aggregator Layer 2 Connection. The Aggregator Layer 2 Connection appears on Layer 2 Neighbor View maps as a thick line with an Interface icon at each end (representing the Aggregator Interface). or Split Link AggregationLink Aggregation with more than two endpoints. Some vendors refer to this as Multi-Chassis Link Aggregation, SLAG, MLAG, or MC-LAG. protocols: This Interface Group includes all Aggregator Interfaces. Network administrators can configure multiple Aggregation Member Interfaces on a switch to behave as one, the Aggregator Interface. This technique uses multiple interfaces in parallel to increase bandwidth, increase the speed at which data travels, and increase redundancy.

Point to Point Interfaces This Interface Group includes multiple Interface types known to be commonly used for point-to-point purposes. Any Interface within your management domain that meets the defined criteria is automatically included in this Interface Group.
SONET Interfaces This Interface Group includes all Interfaces identified as Synchronous Optical Networking (SONET) or Synchronous Digital Hierarchy (SDH) links. These Interfaces use a standardized multiplexing protocol that transfers multiple digital bit streams over optical fiber using lasers or light-emitting diodes (LEDs).
Software Loopback Interfaces This Interface Group includes any Interface with an ifTypeNumber value of 24, software loopback from the IANA ifType-MIB. Any Interface within your management domain that meets this loopback addressThe address associated with the loopback interface. The loopback interface is a virtual interface on a device that provides a route for internal communication. Many vendors provide a specially configured loopback for management purposes. Exact details of how loopbacks are configured varies by vendor and model. See each device's documentation for details. NNMi identifies these loopback addresses by using ifType Number 24, softwareloopback from the IANA ifType-MIB. criteria is automatically included in this Interface Group.
VLAN Interfaces This Interface Group includes Interfaces of ifTypeNumber value of 135. The NNMi default Monitoring Configuration settings enable fault monitoring for these Interfaces, but disable performance monitoring (because collection of performance data for VLAN Interfaces tends to be problematic).
Voice Interfaces This Interface Group includes multiple interface types known to be commonly used for voice purposes. Any Interface within your management domain that meets the defined criteria is automatically included in this Interface Group.
WLAN Interfaces This Interface Group includes all Interfaces identified as Wireless Local Area Network (WLAN) links. These Interfaces connect two or more devices using some wireless distribution method, and might provide a connection through an access point to the wider Internet.