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Chapter 5. TCP/IP Settings 43
Request MPPE
Encryption
Select this option to use
M
icrosoft
P
oint-to-
P
oint
E
ncryption, technology developed by
Microsoft for encrypting communication over a
VPN tunnel.
Attain DNS
Automatically
If you select this option, your ISP provider
assigns a
D
omain
N
ame
S
erver (DNS). A DNS
maps the user-friendly domain names that you
type into your web browser (for example,
www.zoom.com) to the numerical IP addresses
that are used for Internet routing.
When you type a domain name into your
browser, your PC sends a request to a DNS
server to find the equivalent numerical
address.
Set DNS Manually
If you select this option, enter the IP
address(es) of Domain Name Server(s) in the
following text boxes.
DNS 1:
The IP Address of your primary
Domain Name Server.
DNS 2:
The address of an alternate DNS
server to use in case DNS Server #1 is out of
service or heavily congested.
DNS 3:
The address of an alternate DNS
server to use in case DNS Servers #1 and #2
are out of service or heavily congested.
Clone MAC
Address
(Usually optional) Enter the MAC address of a
device in the LAN network if you want to use
that address for Internet access instead of the
AP+4’s MAC address.
Enable uPNP
Select this check box to enable
U
niversal
Pl
ug
a
n
d
P
lay, which lets devices connect
automatically to one another over the LAN.
Enable Ping
Access on WAN
Select this check box to allow someone to ping
the AP+4 over the Internet . This is useful for
troubleshooting – it can allow a technician to
remotely ping the AP+4 to see if it is working.
In normal use, this option should be disabled
for security reasons.