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 15 of 34
4.2.5
Configure address translation
In the Expert View menu, select
interfaces -> ppp-2 -> ip -> address translation ->
outgoing
. The Outgoing Address Translation page appears.
Figure 10: The outgoing address translation page
Field name
Description
Command line
Enabled
Enables or disables the translation of
outgoing IP datagrams on this
interface.
Yes
Enables translation of
outgoing IP datagrams on
the selected interface.
no
Disables translation of
outgoing IP datagrams on
the selected interface.
Ip Address Translation
Interface Enabled
Table 5: The outgoing address translation on ppp-2 field, its description and command line
On the Outgoing Address Translation page, set Enabled to
no
when using a routing
protocol such as RIP or BGP.
Click
Update
. The Configuration Update Result page appears.
4.2.6
Configure IPCP options
In the Expert View menu, select
interfaces ->ppp-1 ->ip->ipcp options->local
address
. The Local IP Address Negotiation page appears.