
RLX2-IHx Series ♦ 802.11a, b, g, n
Configuring a Radio - Detailed Configuration
Industrial Hotspots
User Manual
ProSoft Technology, Inc.
Page 99 of 248
4.6.1 IGMP Settings
You use the parameters in the
IGMP
S
ETTING
group to specify the Internet Group
Management Protocol parameters of your RLX2-IHx series radio.
RLX2-IHx series radios support IGMP v1 and v2. The IGMP functions are enabled in the
radios by default.
Parameter
Description
IGMP Multicast Filtering
Specifies the state of IGMP multicast filtering
(D
ISABLED
or
E
NABLED
).
Default Propagation
Action
Specifies how the radio handles multicast addresses that are not in the
radio’s address table.
F
LOOD
-
The radio sends unknown multicast packets to all ports.
F
ILTER
-
The radio filters unknown multicast packets, and does not send
them to any ports.
IGMP Query Generation
Specifies the state of IGMP query generation in the radio.
D
ISABLED
-
Disables IGMP query generation.
T
IMED
I
NTERVAL
-
Enables IGMP query generation. Use IGMP Query
Interval to specify the query time interval.
IGMP Query Interval
Specifies the number of seconds between queries (if the timer is not pre-
empted by a query from another device).
By RFC specification, only one device on a network should generate
IGMP queries. As such, the radio only sends an IGMP query if another
device has not sent a query within the radio's
IGMP
Q
UERY
I
NTERVAL
setting, even if
IGMP
Q
UERY
G
ENERATION
is enabled.
Multicast State Count
Specifies the number of queries the radio generates before a device is
removed from the multicast group on this radio if no response is received
from the device.