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EDS-508 Series User’s Manual Featured Functions
3-44
NOTE
At least one switch must be designated the querier when enabling Turbo Ring and IGMP
snooping simultaneously.
IGMP Table
EDS-508 displays the current active IGMP groups that it detected.
The information includes VID, Auto-learned Multicast Router Port, Static Multicast Router Port,
Querier Connected Port, and the IP and MAC addresses of active IGMP groups.
Add Static Multicast MAC
MOXA EtherDevice Switch can also support adding multicast groups manually if required.
Add New Static Multicast Address to the List
Setting Description Factory Default
MAC Address Input the desired multicast MAC address. None
Join Ports
Setting Description Factory Default
Select/Deselected Select the join ports of this multicast group. None
Using Rate Limiting
Single devices should not occupy unlimited bandwidth, especially when the device malfunctions.
The most well-know problem is the broadcast storm caused by an incorrect topology or
malfunctioning device. The EDS-508 series not only prevents broadcast storms, but can also
configure the ingress/egress rate of unicast/multicast/broadcast packets, thus helping the
administrator control fully the limited bandwidth, and prevent unpredictable faults before they
occur.