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40 Zoom AP+4 User Guide
Parameter Select or enter . . .
Idle Time
The number of minutes of inactivity after which
the connection is dropped.
MTU Size
The size of the
M
aximum
T
ransmission
U
nit,
the largest physical packet size, measured in
bytes, that a network can transmit. The default
is 1492 bytes.
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.
Enable Web
Server Access on
WAN
Select this check box to allow someone to
remotely access the AP+4’s built-in HTTP
server. Web server access is useful for