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IPSec (Internet Protocol Security) is a set of network protocols and services that
provide security to IP networks by authenticating and encrypting each IP packet of a
data stream. IPSec-protected packets travel through a virtual tunnel or path between
two points. An IPSec tunnel is up when it has been established between two peers
and is capable of carrying traffic. If it cannot carry traffic it is down.
When IPSec is enabled (IPSec icon present), the router attempts to establish all
configured tunnels. The status of all configured tunnels at any given time (if IPSec is
enabled) is one of the following:
• All tunnels are established (green System Status button).
• Some tunnels are established (orange System Status button).
• No tunnels are established (red System Status button).
Links in the left panel
The following links appear in the left panel of each System Control Center page
(except the home page):
Note: Some of these links may not appear because they are not enabled by the NOC.
•
— Opens the System Control Center home page.
Home
•
Detailed Problem Statistics
concerning router operation. See Viewing problem-related statistics on
page 108.
•
Connectivity Test
the connection between the router and the satellite. See Confirming NOC
connectivity on page 97.
•
Help
— Opens the Help page. Refer to the Help page, which includes a variety of
topics such as getting started and recommended browser settings.
Small icon on System Control Center screens (Advanced Pages)
The icon indicated by the arrow in the following illustration opens the Advanced
Pages. This icon appears on all System Control Center pages. For more information on
the Advanced Pages, see Chapter 9 – Advanced Pages on page 111.
— Opens a screen you can use to view statistics
—Opens the Connectivity Test page, which allows you to test
Figure 54: Icon for accessing the Advanced Pages
Chapter 6 • System control center
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Troubleshooting
