Configuring with Web Based Management   
6.5 "System" menu 
  SCALANCE W780/W740 to IEEE 802.11n Web Based Management 
188  Configuration Manual, 08/2018, C79000-G8976-C267-13 
The page contains the following: 
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Shows the VLAN interface on which IPv6 will be enabled. 
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Enable or disable IPv6 on the interface. When you enable the setting and accept it, the 
link local address is created automatically. 
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Enter the IPv6 address. The entry depends on the selected address type.  
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Enter the number of left-hand bits belonging to the prefix  
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Select the address type: 
–  Unicast 
–  Link Local: IPv6 address is only valid on the link. 
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Specify the mechanism for the address configuration: 
–  Automatic (default) 
The IPv6 address is created using a stateless mechanism or a stateful mechanism. 
–  DHCPv6 
Status dependent: Obtains the IPv6 address and the configuration file from the 
DHCPv6 server. 
–  SLAAC (Stateless Address Auto Configuration) 
Stateless autoconfiguration using NDP (Neighbor Discovery Protocol)  
–  Static 
Enter a static IPv6 address. 
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When enabled the procedure for the IPv6 address assignment is shortened. Instead of 4 
DHCPv6 messages (SOLICIT, ADVERTISE , REQUEST, REPLY) only 2 DHCPv6 
messages (SOLICIT, REPLY) are used. You will find further information on the messages 
in RFC 3315. 
The table has the following columns: 
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Select the check box in the row to be deleted. 
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Shows the name of the VLAN interface.