Vigor2710 Series User’s Guide
21
inside each ATM cell that indicates where the cell should be
routed. The ATM, is a method of sending data in small packets
of fixed sizes. It is used for transferring data to client
computers.
VCI
Stands for
Virtual Channel Identifier.
It is a 16-bit field
inside ATM cell’s header that indicates the cell’s next
destination as it travels through the network. A virtual channel
is a logical connection between two end devices on the
network.
Protocol/Encapsulation
Select an IP mode for this WAN interface. There are several
available modes for Internet access such as
PPPoE
,
PPPoA,
Bridged IP
and
Routed IP
.
Fixed IP
Click
Yes
to specify a fixed IP for the router. Otherwise, click
No (Dynamic IP)
to allow the router choosing a dynamic IP.
If you choose
No
, the following IP Address, Subnet Mask and
Default Gateway will not be changed.
IP Address
Assign an IP address for the protocol that you select.
Subnet Mask
Assign a subnet mask value for the protocol of
Routed IP
and
Bridged IP
.
Default Gateway
Assign an IP address to the gateway for the protocol of
Routed IP
and
Bridged IP
.
Primary DNS
Assign an IP address to the primary DNS.
Second DNS
Assign an IP address to the secondary DNS.
2
2
.
.
4
4
.
.
2
2
P
P
P
P
P
P
o
o
E
E
/
/
P
P
P
P
P
P
o
o
A
A
PPPoE stands for
Point-to-Point Protocol over Ethernet
. It relies on two widely accepted
standards: PPP and Ethernet. It connects users through an Ethernet to the Internet with a
common broadband medium, such as a single DSL line, wireless device or cable modem. All
the users over the Ethernet can share a common connection.
PPPoE is used for most of DSL modem users. All local users can share one PPPoE
connection for accessing the Internet. Your service provider will provide you information
about user name, password, and authentication mode.
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