Reset the DAD Attempts

1. Enter Interface Configuration mode for the VLAN 1 interface.

   SEFOS# configure terminal
   SEFOS(config)# interface vlan 1
   

2. Reset the number of DAD attempts.

   SEFOS(config-if)# no ipv6 nd dad attempts
   

3. Review the DAD attempts in the VLAN 1 interface information.

   SEFOS# show ipv6 interface vlan 1
    
   vlan1 is up, line protocol is up
   ...
       ND DAD is enabled, Number of DAD attempts: 0
   ...