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M2M Cellular Gateway
Configuration Path
Interface Name
Physical Interface
Operation Mode
Line Speed
Configuration Path
Interface Name
WAN Type
Configuration Path
Interface Name
Connection Control
Data Encryption
VPI Number
VCI Number
Schedule Type
Configuration Path
Interface Name
Dial‐up Profile
Connection Control
So, the initial status of two WAN connections is shown in following diagram.
Next, Failover and Failback processes are shown in following diagram. Their steps are:
S 1: When system discovers the primary WAN connection is failed.
S 2: System starts the failover process.
S 3: System tries to create the WAN connection by using Failover WAN interface, and use it for
incoming data transmitting mission.
S 4: System keeps trying to recover the failed primary WAN connection. Once it is recovered,
Index skipping is used to reserve slots for new function insertion, when required.
[Physical Interface]‐[Interface Configuration (WAN‐n)], n=1, 2
WAN‐1
ADSL
Always on
2Mbps / 22Mbps
[Internet Setup]‐[Internet Connection Configuration (WAN‐n)], n=1, 2
WAN‐1
Ethernet over ATM with NAT
[Internet Setup]‐[Ethernet over ATM with NAT WAN Type Configuration]
WAN‐1
Auto‐reconnect (Always on)
LLC
0
33
UBR
[Internet Setup]‐[3G/4G WAN Type Configuration]
WAN‐2
Auto‐detection
Auto‐reconnect (Always on)
ISP
DSLAM
Cellular Network
WAN‐2
USB 3G/4G
Failover WAN‐1 □Seamless
5Mbps / 21Mbps
WAN‐2
3G/4G
Connected
WAN‐1: ADSL
WAN‐2: 3G/4G
Not Connected
Gateway
Initial Status
58
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