Allied Telesis AT-ARW256E - Manual (Page 26)

AT-ARW256E User’s Guide
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j. Idle Timeout: Specifies that PPPoE connection should disconnect if the link has no
activity detected for n seconds. This field is used in conjunction with the On-Demand
feature. To ensure that the link is always active, enter a 0 in this field.
k. Keep Alive: When on-demand option is not enable, this value specifies the time to
wait without being connected to your provider before terminating the connection. To
ensure that the link is always active, enter a 0 in this field.
l. Set Route: Specify this connection as the default-route.
m. MRU: Maximum Receive Unit the DSL connection can receive. It is a negotiated
value that asks the provider to send packets of no more than n bytes. The maximum
specified value is 1500 although some DSL/ISP providers require a larger value. The
minimum MRU value is 128.
n. Enforce MRU: Check this box if you experience problems accessing the Internet over
a PPPoE connection. This feature will force all TCP traffic to conform with PPP MRU
by changing TCP Maximum Segment Size to PPP MRU.
Figure 16 (PPPoE Connection Setup)
To complete the connection you must now click the apply button. The apply button will
temporarily save this connection. To make the change permanent you need to click on Save
Setting (at the side of the page). At the system commands page, click on Save All.
5.2.3.4 DHCP Connection Setup
Dynamic Host Configuration Protocol (DHCP) allows the Wireless ADSL Router to automatically
obtain the IP address from the server. This option is commonly used in situations where IP is
dynamically assigned and is not known prior to assignment.
To configure the Wireless ADSL Router for a DHCP connection, click on Setup and then click on
New Connection . The default DHCP connection setup is displayed. At the Type field select
DHCP and the DHCP connection setup page is displayed; figure 17 illustrates a typical DHCP
configuration. Give your DHCP connection a unique name; the name must not have spaces and
cannot begin with numbers. In this case the unique name is called
DHCP1 . Select the
encapsulation type (LLC or VC); if you are not sure just use the default mode. Select the VPI and
VCI settings; your DSL service provider or your ISP will supply these; in this case the DSL service