Enable MLDS Globally

By default, MLDS is disabled globally. To enable MLDS, you must first disable GMRP.

1. Disable GMRP globally.

   SEFOS# configure terminal
   SEFOS(config)# set gmrp disable

2. Enable MLDS globally.

   SEFOS(config)# ipv6 mld snooping
   SEFOS(config)# end

3. View the configuration.

   SEFOS# show ipv6 mld snooping globals
    
   Snooping Configuration
   -----------------------------
   MLD Snooping globally enabled 
   MLD Snooping is operationally enabled 
   Transmit Query on Topology Change globally disabled 
   Multicast forwarding mode is MAC based 
   Proxy globally disabled 
   Proxy reporting globally enabled 
   Filter is disabled 
   Router port purge interval is 125 seconds 
   Port purge interval is 260 seconds 
   Report forward interval is 5 seconds 
   Group specific query interval is 2 seconds 
   Reports are forwarded on router ports 
   Group specific query retry count is 2 
   Multicast VLAN disabled 
   Leave config level is Vlan based 

4. After enabling MLDS on switch A, send an MLDS v2 report from host A (connected to the port 1 of switch A) to the multicast group 33:33:00:01:00:01, which will be learned on switch A.
5. View the entry learned on switch A.

   SEFOS# show ipv6 mld snooping forwarding-database
    Vlan  MAC-Address          Ports
    ----  -----------------    -----
       2  33:33:00:01:00:01    Ex0/1