Tenda D840 User Manual page 32

C. PPP IP extension:
When the integrated
gateway is connected with
a computer, the IP address
obtained through the
upstream link is directly
allocated to this computer
connecting with the
device. After the PPP IP
extension is enabled, you
can enable the advanced
DMZ. At this time, you
need to enter your DMZ
host and subnet mask.
d. Use Static IP Address:
After this option is
checked, the device uses
this IP address as the WAN
IP address and does not
need to obtain it through
the upstream link.
e. Retry PPP password on
authentication error
f. Enable PPP debugging
mode.
D840R ADSL2+ Router User Guide
27