Quadro Quadro16xi Guía de instalación Pagina 33

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Quadro Manual II: Administrator's Guide Administrator’s Menus
Quadro2x, 2xi, Quadro4x, 4xi, Quadro16x, 16xi; (SW Version 5.2.x) 32
The second manipulation buttons group on this page allows you
to select the frequency of checking for a new update.
Check and notify – choose this selection if you only
wish to be notified about the new available firmware
on the server. With this selection, on the indicated
weekday and time, on daily or weekly basis, the
Quadro will check for a new firmware available on the
server. The way of notification is configured from the
Events
page.
Check and update – choose this selection to check
and automatically install the new firmware on the
Quadro as it becomes available on the server. With
this selection, on the indicated weekday and time, on
daily or weekly basis, the Quadro will check for a new
firmware available on the server, will automatically
download and install it on the Quadro.
The Check/Update Now button is used to manually initiate
Check and notify or Check and update actions. The action to
be executed depends on the radio button selected above.
Fig. II-54: Upload Configuration page
Networking Tools
The Networking Tools page provides the possibility to check the Internet connection.
Ping sends four ICMP (Internet Control Message Protocol) requests with a default size of 64 bytes to the destination (IP address or host name)
specified in the text field Ping Target. The response times are logged, and the round trip time (the time required from being sent until being received
again) is measured. The minimum and maximum round trip time and its average as well as the percentage of lost and of received frames results are
displayed in the lower area of the page.
Traceroute checks the Internet connection by triggering the routers (hops) that are passed to reach the destination specified in the Traceroute
Target text field. Trace routing gives feedback on the routers passed by packets on the way toward the destination and the round trip delay of
packets to these routers.
Attention: No Traceroute is possible if a high priority Firewall has been enabled (see chapter Firewall and NAT
).
For the purpose of tracerouting, several IP packets are sent out. UDP (User Datagram Protocol) is used to send packets and ICMP (Internet Control
Message Protocol) is used to receive information about the routers. In their headers, the TTL (Time To Live) value increases from 1 to 30. When the
first IP frame is received by the first router, its IP address will be returned in its acknowledgement.
The second frame delivers the IP address of the second router
and so on and so forth. The results of Traceroute are displayed
on the lower area of the page.
Ping Target requires the destination (IP address or host name)
for the ping request. If Use ICMP checkbox is selected, an ICMP
request will be send to the ping destination (MS Windows
standard). Otherwise, if checkbox is not selected, a UDP request
will be send (Linux standard).
The Ping button starts pinging the specified ping target.
Traceroute Target is used to enter the IP address or host name
of the destination to be trace routed.
The Traceroute button is used to process the router triggering to
check the Internet connection.
Fig. II-55: Networking Tools page
In the field below these, the output of the Ping or Traceroute procedure is shown.
To Check the Internet connection
1. Specify the destination address for the ICMP request in the Ping Target text field.
2. Press the Ping button to process the ICMP request.
3. Specify the destination address to trace the route.
4. Press the Traceroute button to process the router triggering.
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