DGS-3100 Series Gigabit Stackable Managed Switch CLI Manual 
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To define the MLD snooping mrouter forbidden: 
DGS3100# config mld_snooping mrouter_port_forbidden default add all  
 
Success. 
DGS3100# 
 
 
show mld snooping 
Purpose  To display mld snooping settings on the Switch. 
Syntax 
show mld snooping {vlan <vlan_name 32>} 
Description The show mld snooping command displays a port from being 
defined as a multicast router port by static configuration or by 
automatic learning. 
Parameters  vlan_name 32 – Specifies that the mld snooping applies only to this 
previously created VLAN.. 
Restrictions  Only administrator or operator–level users can issue this command 
Separate non–consecutive Ethernet ports with a comma and no 
spaces; use a hyphen to designate a range of ports. These ports are 
defined as connected to a multicast router. 
Example usage: 
To show the MLD snooping: 
DGS3100# show mld_snooping 
MLD Snooping Global State : Disabled 
Multicast Filtering        : Enabled 
 
Vlan Name                  : default 
Host Timeout               : 260 
Done Timer                 : 10 
Route Timeout              : 300 
State                      : Disabled 
 
DGS3100# 
 
 
show mld_snooping forwarding 
Purpose  To display mld snooping settings on the Switch. 
Syntax 
show mld_snooping forwarding {vlan <vlan_name 32>} 
Description The show mld_snooping forwarding command displays the 
current MLD snooping forwarding table entries currently configured 
on the Switch. 
Parameters  vlan_name 32 – Specifies that the mld snooping applies only to this 
previously created VLAN. 
Restrictions  Only administrator or operator-level users can issue this command. 
Example usage: 
To display the MLD snooping forwarding: