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Cisco ASR 1000 Series Aggregation Services Routers MIB Specifications Guide
OL-15161-06
GLOSSARY
B
Bandwidth
The difference between the highest and lowest frequencies available for network signals. The term is
also used to describe the rated throughput capacity of a given network medium or protocol.
Broadcast storm
Undesirable network event in which many broadcasts are sent simultaneously across all network
segments. A broadcast storm uses substantial network bandwidth and, typically, causes network
time-outs.
C
CANA
Cisco Assigned Numbers Authority. The central clearing house for allocation of unique names and
numbers that are embedded in Cisco software.
CLI
Command Line Interface
CNEM
Consistent Network Element Manageability
Columnar object
One type of managed object that defines a MIB table that contains no rows or more than one row, and each
row can contain one or more scalar objects, (for example, ifTable in the IF-MIB defines the interface).
Community name
Defines an access environment for a group of NMSs. NMSs within the community are said to exist
within the same administrative domain. Community names serve as a weak form of authentication
because devices that do not know the proper community name are precluded from SNMP operations.
Critical alarm
severity type
Indicates a severe, service-affecting condition has occurred and that immediate corrective action is
imperative, regardless of the time of day or day of the week. For example, online insertion and removal
of line cards or loss of signal failure when a physical port link is down.
CWDM
Coarse Wavelength Division Multiplexing
D
dBm
Decibel (milliwatts). 10 * log10 (power in milliwatts). For example, 2 milliwatts is 10 * log10 (2) = 10
* 0.3010 = 3.01 dBm
DOM
Digital Optical Monitoring
Display string
A printable ASCII string. It is typically a name or description. For example, the variable
netConfigName provides the name of the network configuration file for a device.