Network settings
Promiscuous
network mode:
The probe will only be able to detect additional multicasts if
the Ethernet interface is set in promiscuous mode. With this
option set to “off” the probe will not be able to detect
multicasts not already joined by the probe. The probe load
increases when this option is enabled since more packets
are inspected.
Join multicasts: If switched off probe will not send IGMP messages which is
useful if connected to a trunk port and there is no need to
join multicasts.
Source specific
multicasts:
Required for probe to support the IGMP v3 protocol.
Time synchronisation
Use time server: Select between Off, NTP (Ethernet), TDT (QAM, COFDM,
SAT, ASI) and TOT (QAM, COFDM, SAT, ASI).
When NTP is selected the probe will synchronise
approximately every 7 minutes. The exact interval is a
function of the probe's MAC address to ensure that all
probes do not access the NTP server at the same time.
When TDT time synchronisation is enabled the probe will
use the UTC time found in the TDT table and add the
configured local time offset. For probes which only have an
ASI interface this input will be used as the clock source. For
probes with one or more demodulator interfaces the first
frequency on the first RF interface will be used.
When TOT time synchronisation is enabled the probe will
use the UTC time found in the TOT table and add the local
time offset specified by the parameter TOT time zone. For
probes which only have an ASI interface this input will be
used as the clock source. For probes with one or more
demodulator interfaces the first frequency on the first RF
interface will be used.
Time server: The IP-address or host name of the time server.
Time zone: By setting the time zone the probe-time can be offset from
the reference NTP time.
TOT time zone: The local time zone to be used when TOT is selected as
clock reference source. This is a three letter country code
that should match a country code present in the received
TOT. Note that this parameter is case sensitive. If the TOT
time zone field is left blank the first time zone specified in
the TOT will be used, and this time zone will also be used if
the probe is unable to find the specified country code in the
PROBE USERS' MANUAL VERSION 5.0
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