The following alarms and events are configured:
ETH (Ethernet) alarms
No signal:
There has been no UDP packet for
the predefined period of time (de-
fault 1sec)
Default: Enabled,
severity Major
FEC packet drop:
One or more RTP packets could not
be corrected by the FEC
Default: Enabled,
severity Error
RTP packet drop:
Number of consecutive dropped
RTP packets exceeds the error-
thresholds – only available if RTP
headers are present
Default: Enabled,
severity Error
RTP duplicates:
Number of RTP packets with identi-
cal RTP counters – only available if
RTP headers are present
Default: Disabled,
severity Warning
RTP out of order:
There are RTP packets received
out of order – only available if RTP
headers are present
Default: Disabled,
severity Warning
CC skips:
Number of transport stream discon-
tinuities due to packet loss. Note
that the CC skips number does not
necessarily equal the number of
lost packets, as several consecutive
packets lost will be counted as one
CC skip.
Default: Disabled,
severity Warning
IAT >= err-thresh:
The Inter-packet Arrival Time ex-
ceeds the error threshold
Default: Disabled,
severity Error
IAT >= warn-thresh:
The Inter-packet Arrival Time ex-
ceeds the warning threshold
Default: Disabled,
severity Warning
MLR >= err-thresh:
The Media Loss Rate exceeds the
error-threshold
Default: Enabled,
severity Error
MLR >= warn-thresh:
The Media Loss Rate exceeds the
warning-threshold
Default: Disabled,
severity Warning
TTL changed: The Time-To-Live field is changing Default: Enabled,
severity Error
TOS changed: The Type-Of-Service field is chang-
ing
Default: Enabled,
severity Error
Multiple mcast sources:
There are multiple multicast
sources
Default: Enabled,
severity Error
Mcast source changed:
The multicast source changed to
one of the valid multicast sources
specified by the operator.
Default: Enabled,
severity Error
56 VB2xx GigE User’s Manual version 5.4
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