TRENDnet TDM-C500, User Manual

Page: 32 / 89

11
„
Channel:
;
VPI:
Virtual Path Identifier is a virtual path used for cell routing that is identified by an 8-bit
field in the ATM cell header. The VPI field specifies this 8-bit identifier for routing.
;
VCI:
A Virtual Channel Identifier is a virtual channel that is identified by a unique numerical
tag that is defined by a 16-bit field in the ATM cell header. The purpose of the virtual
channel is to identify where the cell should travel. The VCI field specifies this 16-bit
numerical tag that determines the destination.
;
Encapsulation:
There are 2 Encapsulation type:
‹ LLC
‹ VC-Mux
Note:
LLC and VC-Mux are two different methods of encapsulating the PPP packet.
Contact your ISP to make sure which encapsulation is being supported.
;
Channel Mode:
Select
“1483 MER”
from the drop down manual.
;
Enable NAPT:
Select
“Disable”
or
“Enable”
the NAPT functionality. Default setting is
“Enable”
.
„
WAN IP:
;
Type:
Click the radio button to select
“Fixed IP”
or
“DHCP”
mode.
‹
Fixed IP:
You need to fill in the
“Local IP Address”
,
“Subnet Mask”
,
“Remote IP
Address”
which will be provided by your ADSL Service provider or ISP.
‹
DHCP:
Dynamic Host Configuration Protocol (DHCP) allows the 4 Ports ADSL2/2+
Router to automatically obtain the IP address from the server. This option is
commonly used in situations where the IP address is dynamically assigned and is not