MIB Variables Alert Example

A real-time trap from an audio alert was traced to build this table, specifically, the Notification Variables in the leftmost column. The last column illustrates examples to Set and Clear an SNMP alert:

Table: MIB Variables Alert Example

Notification Variables Name

OID Strings

Description

Alert SET / CLEAR

volEncoder

PREFIX = 1.3.6.1.4.1.23522.1

Probe Server Name OID prefix for OIDs below.

trapEncAlerts

PREFIX.12 = 1.3.6.1.4.1.23522.1.12

ID identifying an MIP trap. This variable binds all other variables in it.

volEncoderName

PREFIX.2 = 1.3.6.1.4.1.23522.1.2

Octet String (Size 0…32)

Encoder Stream name.

Value: ENC1

volEncoderHostname

PREFIX.3

Octet String (Size 0…32)

Encoder hostname or IP address.

Value: ObsRpmVa

volEncAlerts

PREFIX.11

Object identifier.

volAlertClipID

PREFIX.11.1

Integer32

Clip ID created on this alert.

Value: 6 (Value: 9)

volAlertDescription

PREFIX.11.2

Octet String

Textual description of the alert.

Value: LOW AUDIO LEVEL /(AUDIO-OK):

History Channel 66;

Encoder: ENC1

Audio level: -69. (-34)

Server time: 2010-09-29 18:52:41

volAlertClipRef

PREFIX.11.3

Octet String

URL to the clip created for this alert.

Value: IP Address

volStreamName

PREFIX.11.4

Octet String (Size 0…32)

Stream (scanner in RPM) name.

Value: P1

volAlertEnum

PREFIX.11.5

Integer [enumerat]

Alerts enumeration.

See the following table for “volAlertEnum”

volAlertName

PREFIX.11.6

Octet String (Size(32))

Alert nickname.

Value: AUDIOLOW

volAlertType

PREFIX.11.7

Integer32 (0/1/2)

Type of alert: set (1), clear(0), or warning (2).

Value: 1

volCertainty

PREFIX.11.8

Integer32

Certainty in percentage.

Value: 0

volAudioLevel

PREFIX.11.9

Integer32

Audio level in dB units.

Value: -69 (-34)

volAudioPin

PREFIX.11.10

Integer32

Audio Pin.

Value: 0

volEventTime

PREFIX.11.11

Octet String (Size(32))

Event time in format 2011/02/09 18:21:33.

Value: 2010-09-29 18:52:41

rpmChannelID

PREFIX.11.12

Octet String (Size(32))

Lineup channel ID (usually a channel number).

Value: 66

rpmChannelName

PREFIX.11.13

Octet String

Lineup Service name.

Value: History Channel

rpmChannelQAM

PREFIX.11.14

Octet String (Size(32))

Lineup channel group.

Value: Westside

volAlertSeverity

PREFIX.11.15

Integer {info (1), warning (2), minor (3), major (4), critical (5)}

The degree of priority to correct the problem.

Value: 4

oidAlertLevel

PREFIX.11.16

Integer {probe (1), group (2), system (3)}

Alert level.

oidGroup

PREFIX.11.17

Octet String (32)

Name of affected probe group.

Value: Burlington News

oidProbe

PREFIX.11.18

Octet String (32)

Name of affected Probe server.

Value: Probe66