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IGMP Querier pane
(see
3
Memory Utilization
— Indicates how much decoder memory is used, expressed in
4
percent.
AV LAN Utilization
— Indicates the total bandwidth usage at that moment. The
5
decoder generates an alarm if the utilization goes above 90%. The alarm clears
automatically once the level drops below 90%.
Ethernet Extension Utilization pane
6
Utilization pane", below.
USB Devices pane
(NAV SD 501 only) — See
7
Primary Controller pane
8
Alarms pane
— See
Alarms pane
9
Download Logs link
— See
¢
IGMP Querier pane
IGMP querier is a network service, usually running on a network switch, that can initiate
IGMP queries. An IGMP querier should be configured on the NAV network. It manages the
multicast traffic. If there is no IGMP querier on the network, there is no effective multicast
traffic management and the multicast traffic saturates the network and stream errors can
occur.
The
pane (see
IGMP Querier
querying device is present on the network, and the IP address of the IGMP querier.
Figure 41 shows the indication if no IGMP querier is present on the network.
Figure 41.
IGMP Querier Pane with no IGMP Querier Present on the Network
Ethernet Extension Utilization pane (NAV SD 501only)
The Ethernet Extension Utilization pane (see
bandwidth usage of the rear panel Extension port (see
moment. The decoder generates an alarm if the utilization goes above 90%. The alarm
clears automatically once the level drops below 90%. Figure 42 shows the indication if the
Extension port is either disabled (see
nothing connected to it.
Figure 42.
Ethernet Extension Utilization Pane when Extension is not in Use
NAV SD 501 and NAV SD 101 Scaling Decoders • HTML Operation
figure 40
on page 43) — See "IGMP Querier pane" below.
(NAV SD 501only) — See "Ethernet Extension
USB Devices pane
— See
Primary Controller
on page 46.
Download Logs link
figure
40,
on page 43) shows whether or not an IGMP
3
figure 40,
figure
Network Connection
on page 45.
pane on page 45.
on page 47.
) indicates the total
6
2,
on page 5) at that
H
on page 52) or enabled with
44
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