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Page 91 / 122 Scroll up to view Page 86 - 90
MBR L13
–
User’s
Guide
91
Figure 123: DHCP Connections
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MBR L13
–
User’s
Guide
92
3.8
System
3.8.1
Overview
The
Overview
screen presents a summary of the L13 system
’s
status indicators. This includes various details such as
version number, release date, type of platform and wireless network status information. In addition, there is an option
to upgrade the software version by clicking
Upgrade
link.
Figure 124:
Overview screen
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MBR L13
–
User’s
Guide
93
3.8.2
Monitor
3.8.2.1
Network
The Monitoring screen (
System
Monitor
) displays a table summarizing connection data (see Figure 125) and alarm
notifications. L13 constantly monitors traffic within the local network and between the local network and the Internet.
You can view statistical information about data received from and transmitted to the Internet (WAN) and to
computers in the local network (LAN).
Figure 125: Monitoring Connections
Click the
Refresh
button to update the display or press the
Automatic Refresh On
button to constantly update the
displayed parameters.
3.8.2.2
System Alarms
The Network Connections screen (
System
Monitor
) displays
system alarms. When a red alarm led is “on” on the
unit’s
housing, this screen describes the alarm. Here is a list of all the possible alarms:
1
“No SIM card detected”
- There is no SIM card inserted, or the SIM card is not correctly inserted.
2
“Invalid SIM card inserted”
- The inserted SIM card is invalid
3
“No PIN code entered”
- No PIN code has been entered to activate the Internet and voice services.
4
“Incorrect PIN code entered”
- The entered PIN code is incorrect.
5
“SIM card blocked”
- The SIM card has been blocked (due to entering the wrong PIN code three times). The PUK
is required to unblock the SIM card.
6
“SIM card permanently blocked”
- The SIM card has been permanently blocked (due to entering the wrong PUK
code ten times). A new SIM card is required.
3.8.2.3
CPU
The CPU screen (see Figure 126) displays the following system parameters:
Load Average (1 / 5 / 15 mins.) -
This is the average number of processes that are either in a running or
uninterruptible state. A process in the running state is either using the CPU or waiting to use the CPU. A process in the
uninterruptible state is waiting for I/O access, e.g. waiting for the disk. The averages are taken over three time
intervals. The meaning of the load average value varies according to the number of CPUs in the system. For example, a
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MBR L13
–
User’s
Guide
94
load average of 1 on a single-CPU system means that the CPU was loaded all the time, while on a 4-CPU system this
would mean that the CPU was idle 75% of the time.
Processes -
This is a list of processes currently running on MBR and their virtual memory usage. The amount of
memory granted for each process is presented with the help of the following parameters:
Total Virtual Memory (VmData) -
The amount of memory currently utilized by the running process.
Heap size (VmSize) -
The total amount of memory allocated for the running process.
Figure 126:
CPU Monitoring
Note
:
Some processes have several sub-processes. The sub-processes may be displayed under the same name as the
parent processes and use the same memory address space.
By default, the screen is automatically refreshed. You may change this by clicking
Automatic Refresh Off
.
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MBR L13
–
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Guide
95
3.8.3
Routing
You can access the L13 routing settings by navigating to
System
Routing
. The Routing screen initially appears in its
basic view.
Figure
3127:
Routing
–
Basic View
To add a routing rule:
1.
Click the
New Route
link or the action icon. The Route Settings screen appears.
Figure 128:
Route Settings
2.
Fill in the fields as follows:
Name
Select the network device.
Destination
Enter the destination host, subnet address, network address, or default route. The destination
for a default route is 0.0.0.0.
Netmask
The network mask is used in conjunction with the destination to determine when a route is used.
Gateway
Enter the gateway
’
s IP address.
Metric
Indicate the route
’
s priority level. Typically, the lowest metric is the most preferred route. If multiple
routes have the same metric value, the default route will be the first in the order of appearance.
3.
Click
OK
. The route is added to the routing table.

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