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3-9
e. Define a Default Gateway address for the AP-5131’s WAN connection. The ISP or a
network administrator provides this address.
f. Specify the address of a Primary DNS Server. The ISP or a network administrator
provides this address.
6. Optionally, use the Enable PPP over Ethernet checkbox to enable Point-to-Point over
Ethernet (PPPoE) for a high-speed connection that supports this protocol. Most DSL
providers are currently using or deploying this protocol. PPPoE is a data-link protocol for
dialup connections. PPPoE will allow the AP-5131 to use a broadband modem (DSL, cable
modem, etc.) for access to high-speed data networks.
a. Select the Keep Alive checkbox to enable occasional communications over the WAN
port even when client communications to the WAN are idle. Some ISPs terminate
inactive connections, while others do not. In either case, enabling Keep-Alive maintains
the WAN connection, even when there is no traffic. If the ISP drops the connection after
the idle time, the AP-5131 automatically reestablishes the connection to the ISP.
b. Specify a Username entered when connecting to the ISP. When the Internet session
begins, the ISP authenticates the username.
c. Specify a Password entered when connecting to the ISP. When the Internet session
starts, the ISP authenticates the password.
For additional AP-5131 WAN port configuration options, see Configuring WAN Settings on
page 5-14.
7. Click the LAN tab to set a minimum set of parameters to use the AP-5131 LAN interface.
a. Select the Enable LAN Interface checkbox to forward data traffic over the AP-5131
LAN connection. The LAN connection is enabled by default.
b. Use the This Interface drop-down menu to specify how network address information
is defined over the AP-5131’s LAN connection. Select DHCP Client if the larger
corporate network uses DHCP. DHCP is a protocol that includes mechanisms for IP
address allocation and delivery of host-specific configuration parameters from a DHCP
server to a host. Some of these parameters are IP address, network mask, and gateway.
Select DHCP Server to use the AP-5131 as a DHCP server over the LAN connection.
Select the Bootp client option to enable a diskless system to discover its own IP
address.
.
NOTE Symbol recommends that the WAN and LAN ports should not both be
configured as DHCP clients.