4: Setting up the GSM (3G) modem for a primary WAN link
Configuring a GSM (3G) modem on a GW2040 Series Router
© Virtual Access Ltd.
Issue: 1.5
Page 14 of 34
network and host identification.
This configuration change does not
take effect until the device reboots.
Note: When the interface is defined as
unnumbered, this field must be set to
0.0.0.0
Set IP Address to
0.0.0.0
.
Mask
Enter the subnet mask, in dotted
decimal notation, to be assigned to
the selected interface. The subnet
mask is used to determine the
network and host ID from the IP
address and is based on the network
class.
Set Mask to
255. 255. 255. 0
.
Set Ip Interface Address
Mask
Remote IP
Address
Enter the IP address of the peer at the
opposite end of the point to point link
associated with the selected interface.
The IP router process establishes a
host route to the end point of each
point to point link based on the
remote address.
Remote IP Address to
0.0.0.0
.
Set Ip Interface Remote
Address
Remote Mask
Specify the subnetwork mask, in
dotted decimal notation, to be
associated with the remote end point
of an unnumbered IP link.
Remote Mask to
255.255.255.0
Set Ip Interface Remote
Mask
MTU
Enter the size, in bytes, of the largest
IP datagram that can be sent by the
selected interface. The MTU value
includes the data link header, IP
header, and IP data field.
Minimum
Value
64
Default
Value
1500
Maximum
Value
1500
Units
Bytes
Set MTU to
1500
Set Ip Interface Mtu
BOOTP enabled
This option is used to enable or
disable BOOTP on the selected
interface.
yes
Enables BOOTP
no
Disables BOOTP
Set BOOT enabled to
no
.
Set Ip Interface Bootp
Enabled
Table 4: The IP interface on ppp-2 fields, their descriptions and command lines
Click
Update
. The Configuration Update Result page appears.
