Optical Systems Design OSD2700SFP SERIES Operator's Manual page 98

devices. When IGMP router suppression is enabled, the switch sends the first IGMP report from all
hosts for a group to all the multicast routers. The switch does not send the remaining IGMP reports
for the group to the multicast routers. This feature prevents duplicate reports from being sent to the
multicast devices.
2. Update Setting: Click "Update Setting" button when you finished IGMP Snooping.
Force Forwarding Port / Passive Mode Forwarding Port:
1. Port: Choose the port to set the port as force forwarding port / passive mode forwarding port. The
Switch will forward unknown multicast packets to force forwarding port / passive mode
forwarding port before receiving IGMP query.
2. PassiveForwardMode / ForceForwardMode: Click and choose Passive Forward Mode or Force
Forward Mode.
3. Update Setting: Click "Update Setting" button when you finished Force Forwarding Port or
Passive Mode Forwarding Port setting.
Multicast Current Table:
1. Click on "Multicast Current Table" to change to Current Multicast Groups windows.
2. Refresh: Click "Refresh" button to refresh Current Multicast Groups information.
PAGE 98
OSD2700SFP OPERATOR MANUAL
OPTICAL SYSTEMS DESIGN
DOC ID: 10112704