Chapter 14 IGMP
VSG1435-B101 Series User’s Guide
206
14.2 The IGMP General Screen
Use the IGMP General screen to configure general IGMP proxy and IGMP packet
processing settings.
Click Network Settings > IGMP Setting > General to open the following
screen.
Figure 82 Network Settings > IGMP Setting > General
The following table describes the fields in this screen.
Table 56 Network Settings > IGMP Setting > General
LABEL DESCRIPTION
IGMP Proxy Enable this to have the ZyXEL Device reduce multicast traffic by
issuing IGMP host messages to a multicast router or server on behalf
of the multicast hosts connected to the IGMP proxy device.
Query Interval Specify how many seconds since the last query the ZyXEL Device 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 ZyXEL
Device when the ZyXEL Device 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 ZyXEL Device
forwards.
Ignore IGMP
packets not from
LAN subnet
Select this to discard IGMP packets from IP addresses other than the
LAN subnet.
