ZyXEL Communications MES-2110, User Manual

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Chapter 16 IGMP
MES-2110 User’s Guide
109
The following table describes the labels in this screen.
Table 45 Configuration > IGMP Menu > IGMP Config
LABEL DESCRIPTION
IGMP snooping Use this to enable or disable IGMP snooping.
When IGMP is enabled, the Switch forwards group multicast
traffic only to ports that are members of that group.
IGMP VLAN Mode Select Auto to have the Switch learn multicast group membership
information of any VLANs automatically.
Select Fixed to have the Switch only learn multicast group
membership information of the VLAN(s) that you specify below.
IGMP VLAN Enter the ID of the static VLAN(s) that the Switch includes in its
learning process of multicast group membership (of the ports).
Enter a VLAN ID between 1 and 4094.
Port 1-10 This shows the port numbers that you can configure individually
using the fields described below.
The Switch can forward multicast frames to IGMP static ports with
or without the learning process of multicast group membership.
Immediate Leave Use this to enable or disable this feature.
When Immediate Leave is enabled on this port and the switch
receives an IGMP version 2 leave message for this port, this port
is immediately removed from the multicast group.
When Immediate Leave is disabled on this port and the switch
receives an IGMP version 2 leave message for this port, the
Switch first uses this port to send a query packet to ask its
multicast group if it still has active client requests. After one
second and the Switch has not receive a reply packet asking for
the port's IGMP report, it removes the port from the multicast
group.
Static Query Select Enable to stop the Switch from using the port as an IGMP
query port. The Switch will not keep any record of an IGMP router
being connected to this port.
Select Disable to have the Switch use the port as an IGMP query
port if the port receives IGMP query frames.
Undo Click this to restore your last saved settings.
Apply Click this to save your changes.