Operation Manual
Vigor2133 Series User’s Guide 
5
7
Secret – Type a text (1 to 31 characters) as s a unique 
identifier for each client on each DHCP server. 
WAN Connection 
Detection 
Such function allows you to verify whether network 
connection is alive or not through NS Detect or Ping Detect.
Mode – Choose Always On, Ping Detect or NS Detect for 
the system to execute for WAN detection. With NS Detect 
mode, the system will check if network connection is 
established or not, like IPv4 ARP Detect. Always On means 
no detection will be executed. The network connection will 
be on always. 
  Ping IP/Hostname – If you choose Ping Detect as 
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. 
Bridge Mode  Enable Bridge Mode - If the function is enabled, the router 
will work as a bridge modem.   
Enable Firewall – It is available when Bridge Mode is 
enabled. When both Bridge Mode and Firewall check boxes 
are enabled, the settings configured (user profiles) under 
User Management will be ignored. And all of the filter rules 
defined and enabled in Firewall menu will be activated. 
Bridge Subnet – Make a bridge between the selected LAN 
subnet and such WAN interface. 
After finished the above settings, click OK to save the settings. 










