Detailed Radio Configuration / Diagnostics RLX2 Series ♦ 802.11a, b, g, n
User Manual Industrial Hotspot
Page 68 of 161 ProSoft Technology, Inc.
May 8, 2013
6.2.2 IGMP Settings
RLX2 radios support IGMP v1 and v2. The default operation of the RLX2 radios
is to have IGMP functionality enabled, although the user can disable IGMP
entirely. Additionally, the user can specify settings associated with IGMP filtering
and snooping. Unknown multicast addresses can be sent to all ports (flood) or to
none (filtered) by changing the IGMP Multicast Filtering option. The user can
specify whether the radio will generate IGMP queries, and configure the query
interval time.
By RFC specification, only one device on a network should generate IGMP
queries. As such, RLX2 radios will only send a query if another device has not
sent a query within its Query Interval setting, even if Query Generation is
enabled.
Disabling filtering will cause the radio flood multicast packets to all
ports.
Default Propagation
Action
Determines how to handle multicast addresses that are not in the
radio’s address table.
Enables or disables query generation from this radio.
Number of seconds between queries (if not pre-empted by a query
from another device).
Number of queries generated before a device is removed from the
multicast group on this radio if no response is received.
Saves the changes and updates the radio configuration.
Discards the changes without updating the radio configuration.
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