Chapter 4:
Firewall, Failover & OOB Access
96
The Operational Status changes as the cellular modem finds a channel and connects to the network
The
Failover & Out-of-Band
screen displays information relating to a configured Failover/OOB
interface and the status of that connection. The IP Address of the Failover / OOB interface is be
presented in the
Failover & Out-of-Band
screen when the Failover/OOB interface is triggered
4.7.3 Cellular routing
Once you have configured carrier connection, the cellular modem can be configured to route traffic
through the console server. This requires setting up forwarding and masquerading as detailed in Chapter
4.8.
4.7.4 Cellular CSD dial-in setup
Once you have configured carrier connection, the cellular modem can be configured to receive Circuit
Switched Data (CSD) calls, a legacy form of data transmission developed for the TDMA based mobile
phone systems like GSM.
NOTE
CSD is provided selectively by carriers and it is important you receive a Data Terminating number
as part of the mobile service your carrier provides. This is the number which external modems call
to access the console server
1.
Select the
Cellular Modem
panel on the
System > Dial
menu
2.
Check
Enable Dial-In
and configure the
Dial-In Settings
4.8
Firewall & Forwarding
Opengear console servers have basic routing, NAT (Network Address Translation), packet filtering and
port forwarding support on all network interfaces.