Cisco AS5800 Specifications Page 298

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Glossary
2
Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
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Router process in which routing or service updates are sent at specified intervals so that other routers on the network can
maintain lists of usable routes.
agent
Firmware embedded or software installed on a device.
agent group
A collection of one or more agents created by a network administrator. The TrafficDirector application handles an agent group
as a single agent, allowing you to collectively monitor network statistics from more than one segment or point on a segment.
alarm
SNMP message notifying an operator, or administrator, of a network problem. Similar to event or trap. Notification that a
threshold (rising or falling) established by the user has been met.
alarm discovery
Alarm information displayed on the lower half of the Domain Discovery window that includes alarms configured on an agent.
You can obtain additional details by selecting a specific alarm.
alarm group (RMON1)
Periodically takes statistical samples from variables in the SwitchProbe device and compares them with previously configured
thresholds. If the monitored variable crosses a threshold, an event is generated. A mechanism is implemented to limit the
generation of alarms. This group includes the alarm Table and requires the implementation of the Event group. Elements
include alarm type, interval, starting threshold, and stop threshold.
alert
A message sent to all IP addresses defined in the trap community string.
Alert Monitor
A TrafficDirector application that displays alerts when a threshold is met.
All Conversations
A TrafficDirector application that displays, for a selected domain, all conversations taking place between a pair of hosts.
All Talkers
A TrafficDirector application that displays, for a selected domain, all talkers seen by the agent connected to the network
segment.
analog signal (AS)
A signal in the form of a continuous varying physical quantity, e.g. , voltage, which reflects variations in some quantity, like
loudness in the human voice.
analyzer port
A port on a switch designated by the switch management console to host a SwitchProbe device or analyzer. This port is most
often put in receive-only mode and packets are mirrored to it when the mirroring function is activated.
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