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Chapter 5. TCP/IP Settings 35
DHCP Client
If you select
DHCP Client
as your WAN Access Type, you see
the following parameters:
Parameter Select or enter . . .
Host name
A network name negotiated with the ISP
*MTU Size
The size of the
M
aximum
T
ransmission
U
nit,
the largest physical packet size 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), which
maps the user-friendly domain names (URLs)
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 URL 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 one or more Domain Name
Servers in the following text boxes.
DNS 1:
The IP Address of the primary Domain
Name Server
DNS 2:
The address of an alternate DNS
server to use in case DNS Server #1 is down
or very slow
DNS 3:
The address of an alternate DNS
server to use in case DNS Servers #1 and #2
are down or very slow
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 LAN devices connect
automatically to one another.
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.