DGS-3100 Series Gigabit Stackable Managed Switch CLI Manual 
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1     default             00-01-30-10-2C-C7   10      Dynamic 
1     default             00-01-30-FA-5F-00   10      Dynamic 
1     default             00-02-3F-63-DD-68   10      Dynamic 
More: <space>, Quit: q, One line: <return>l 
To display the aging time: 
DGS3100# show fdb aging_time 
 
Unicast MAC Address Aging Time = 5 
 
DGS3100# 
 
 
config multicast filtering_mode 
Purpose  To configure multicast filtering. 
Syntax 
config multicast filtering_mode [<portlist> | <ch1-32> | 
all][forward_unregistered_groups | filter_unregistered_groups] 
Description The config multicast filtering_mode command enables filtering of 
multicast addresses. 
Parameters  <portlist> - A port or range of ports to be configured. 
<ch1–32> - A LAG ar range of LAGs to be configured. 
all - All ports to be configured. 
forward_unregistered_groups - Forwards unregistered multicast 
packets.  
filter_unregistered_groups - Filter unregistered multicast packets. 
Restrictions  Only Administrator or operator-level users can issue this command. 
Example usage: 
To configure multicast filtering 
DGS3100# config multicast filtering_mode 1 
filter_unregistered_groups 
 
Success. 
 
DGS3100# 
 
 
show multicast filtering_mode 
Purpose  To display multicast filtering settings on the Switch. 
Syntax  show multicast filtering_mode {portlist>|<ch1-32>|all } 
Description The show multicast filtering_mode command displays the 
multicast filtering settings.. 
Parameters  <portlist> - A port or range of ports to be configured. 
<ch1-32> - A LAG ar range of LAGs to be configured. 
all – All ports to be configured. 
Restrictions  Only Administrator or operator-level users can issue this command.