Operation Manual
Vigor2133 Series User’s Guide 
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Available settings are explained as follows: 
Item Description 
Always On  Check this box to keep the network connection always. 
Username  Type the name obtained from the broker. Please apply new 
account at http://www.sixxs.net/. It is suggested for you to 
apply another username and password. 
The maximum length of the name you can set is 19 
characters. 
Password  Type the password assigned with the user name. 
The maximum length of the password you can set is 19 
characters. 
Tunnel Broker  It means a server of AICCU. The server can provide IPv6 
tunnels to sites or end users over IPv4. 
Type the address for the tunnel broker IP, FQDN or an 
optional port number. 
Tunnel ID  One user account may have several tunnels. And, each 
tunnel shall have one specified tunnel ID (e.g., T115394). 
Type the ID offered by Tunnel Broker.   
Subnet Prefix  Type the subnet prefix address obtained from service 
provider. 
The maximum length of the prefix you can set is 128 
characters. 
WAN Connection 
Detection 
Such function allows you to verify whether network 
connection is alive or not through Ping Detect. 
Mode – Choose Always On or Ping Detect for the system to 
execute for WAN detection. 
  Ping IP/Hostname – If you choose Ping Detect as 










