user manual
TL-WDR3500 
N600 Wireless Dual Band Router 
- 23 - 
  MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet networks 
is 1500 Bytes. It is not recommended that you change the default MTU Size unless required 
by your ISP.   
  Primary/Secondary DNS - (Optional) Enter one or two DNS addresses  in dotted-decimal 
notation provided by your ISP. 
Click the Save button to save your settings. 
3.  If your ISP provides a PPPoE connection, select  PPPoE/Russia PPPoE  option.  And  you 
should enter the following parameters (Figure 4-5): 
Figure 4-5 WAN - PPPoE 
  User Name/Password - Enter the User Name and Password provided by your ISP. These 
fields are case-sensitive. 
  Secondary Connection - It’s available only for PPPoE Connection. If your ISP provides an 
extra Connection type such as Dynamic/Static IP to connect to a local area network, then you 
can check the radio button of Dynamic/Static IP to activate this secondary connection. 
  Disabled  - The Secondary Connection is disabled by default,  so there is PPPoE 
connection only. This is recommended. 
  Dynamic IP  -  You can check this radio button to use Dynamic IP as the secondary 
connection to connect to the local area network provided by ISP. 
  Static IP - You can check this radio button to use Static IP as the secondary connection 
to connect to the local area network provided by ISP. 










