Operation Manual
Vigor2133 Series User’s Guide   
56
detection mode, you have to type IP address in this field 
for pinging. 
  TTL (Time to Live) –If you choose Ping Detect as 
detection mode, you have to type TTL value. 
After finished the above settings, click OK to save the settings. 
I
I
I
I
-
-
1
1
-
-
2
2
-
-
8
8
D
D
e
e
t
t
a
a
i
i
l
l
s
s
P
P
a
a
g
g
e
e
f
f
o
o
r
r
I
I
P
P
v
v
6
6
–
–
D
D
H
H
C
C
P
P
v
v
6
6
C
C
l
l
i
i
e
e
n
n
t
t
DHCPv6 client mode would use DHCPv6 protocol to obtain IPv6 address from server. 
Available settings are explained as follows: 
Item Description 
DHCPv6 Client 
Configuration 
IAID - Type a number as IAID. 
DUID – Display the DHCP unique ID used by such WAN 
interface. 
Authentication Protocol – Such protocol will be used for 
the client to be authenticated by DHCPv6 server before 
accessing into Internet. There are three types can be 
specified, Reconfigure Key, Delayed and None. In general, 
the default setting is None. 
  Reconfigure Key – During the connection process, 
DHCPv6 server will authenticate the client 
automatically. 
  Delayed - During the connection process, DHCPv6 server 
will authenticate and identify the client based on the 
key ID, realm and secret information specified in these 
fields. 
Key ID – Type a value (range from 1 to 65535) which will 
be used to generate HMAC-MD5 value. 
Realm – The name (1 to 31 characters) typed here will 
identify the key which generates HMAC-MD5 value. 










