ZyXEL Communications P-873HNU-51B, User Manual

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Chapter 13 IGMP
P-873HNU(P)-51B User’s Guide
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13.2 The IGMP General Screen
Use the General screen to configure general IGMP proxy and IGMP packet processing settings.
Click Network Settings > IGMP Setting > General to open the following screen.
Figure 78
Network Settings > IGMP Setting > General
The following table describes the fields in this screen.
Table 57
Network Settings > IGMP Setting > General
LABEL DESCRIPTION
IGMP Proxy State
Query Interval Specify how many seconds since the last query the VDSL Router waits before it
queries all
directly connected networks to gather multicast group membership.
Query Response
Interval Specify how many seconds the host allots for gathering membership
information from
directly connected networks before it sends a report.
Robustness Value This is the number of times the host sends a report to the VDSL Router when
the VDSL Router queries for the host’s status.
IGMP Packet
Process Select one or more of these fields to increase the IGMP network’s security or
control which types of IGMP packets the VDSL Router forwards.
Ignore IGMP
packets not from
LAN subnet Select this to discard IGMP packets from IP addresses other than the LAN
subnet.
Ignore IGMP report
without router alert
option Select this to discard IGMP report packets that do not include a router alert
option.
Ignore IGMP leave
without router alert
option Select this to discard IGMP leave packets that do not include a router alert
option.
Ignore IGMP query
without router alert
option Select this to discard IGMP query packets that do not include a router alert
option.