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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 20 of 34
that the peer send smaller packets.
Enter the MRRU for the specified PPP
interface. Minimum value is 512 bytes.
Default/Maximum value is 1524 bytes.
Period
Authentication
Timer Indicates the length of time, up to
3600 seconds, between successive
attempts to authenticate the PPP peer
associated with the selected PPP
interface.
Set Ppp Interface
Periodic Authentication
Timer
Maximum
Authentication
Retries Indicates the maximum number of
authentication retries after the first
authentication attempt fails. When the
maximum number of retries is
exceeded, the connection is terminated
on the selected PPP interface. The
maximum number of retries allowed is
64; the default is 3. Minimum value is
0 and maximum value is 64.
Set Ppp Interface
Maximum Number Of
Authentication Retries
IP Enabled Enables IP on the interface.
Set Ppp Interface Ip
Enabled
Bridging Enabled Enables or disables bridging
negotiation and operation on the
selected PPP interface.
Set Ppp Interface Stp
Enabled
Time to Send LQR Indicates the length of time in seconds
to send the LQR. The maximum
allowed is 3600 seconds; the default is
0 seconds.
Set Ppp Interface Time
To Send Lqr
Send Time
Remaining Enabled Enables or disables the option to send
a notice indicating the amount of time
remaining for the connection on the
selected interface.
Set Ppp Interface Send
Time Remaining Enabled
Send Identifier
String Enabled Enables or disables the option to send
an identifier string on the selected
interface. When this option is enabled,
enter the identifier string in the
Identifier String field.
Set Ppp Interface Send
Identifier String
Enabled
Identifier String Used to enter the identifier string when
Send Identifier String Enabled is set to
yes.
Set Ppp Interface
Identifier String
Asynchronous Link
Enabled Enables the interface to communicate
in asynchronous mode.
Set Ppp Interface
Asynchronous Link
Enabled
Primary DNS IP
Address Address of the primary DNS server.
Set Ppp Interface Dns Ip
Address
Secondary DNS IP
Address Address of the secondary DNS server.
Set Ppp Interface
Secondary Dns Ip Address
Table 8: The PPP Interface fields, their descriptions and command lines
Click Update . The Configuration Update Result page appears.
4.2.8 Configure 3G Username and Password
Access to each PPP interface can be restricted, based on a username and password. The
username and password for the local interface are entered in the Local Username and