Hirschmann RS20 User Manual page 103

Network load control
Settings per port (table)
IMGP on per port
This table column enables you to enable/disable the IGMP for each
port when the global IGMP Snooping is enabled. Disabling the IGMP
at a port prevents registration for this port.
IGMP Forward All per port
This table column enables you to enable/disable the "Forward All"
IGMP Snooping function for each port when the global IGMP Snoop-
ing is enabled. With the "Forward All" function, the device sends to
this port all data packets with a Multicast address in the destination
address field.
Note: If a number of routers are connected to a subnetwork, you
must use IGMP version 1 so that all the routers receive all the
IGMP reports.
Note: If you are using IGMP version 1 in a subnetwork, you must
also use IGMP version 1 in the entire network.
IGMP Automatic Query Port
This table column shows you which ports the device has learned as
query ports, if "automatic" is selected in "Static Query Port".
Static Query Port
The device sends IGMP report messages to the ports at which it
receives IGMP queries (disable = default setting).
This column allows you to also send IGMP report messages to
other selected ports (enable) or
to connected Hirschmann devices (automatic).
Learned Query Port
This table column shows you at which ports the device has received
IGMP queries, if "disable" is selected in "Static Query Port".
Basic Configuration L2P
Release 4.2 07/08
7.2 Multicast application
103