Operation Manual
Vigor1000 Series User’s Guide 
216
Keepalive Interval 
Type the time for the interval between two keepalive 
messages transferring from the client to the broker. 
Prefix Length 
Type the required prefix length for the client network. 
Interface 
Display LAN interface name. The name of the OS interface 
that will be configured with the first 64 of the received 
prefix from the broker and the router advertisement 
daemon is started to advertise that prefix on the interface. 
A
A
I
I
C
C
C
C
U
U
It stands for Automatic IPv6 Connectivity Client Utility which can be used for 
NAT-Traversal and gets IPv6 connectivity easily. 
This page defines the AICCU connection types for LAN interface. 
Available settings are explained as follows: 
Item Description 
User Name 
Type the name obtained from the service provider. It is 
suggested for you to apply another username and password 
from other ISP, such as http://www.sixxs.net/
. 
Password 
Type the password assigned with the user name. 
Confirm Password 
Type the password again to make the confirmation. 
Server 
Type the default server address, tic.sixxs.net. 
Tunnel mode 
Choose one of the tunnel modes 
AYIYA – allows tunnels to be created even behind 










