QuadroCS Manual II: Administrator's Guide
Administrator's Menus
Quadro
CS
(SW Version 3.0.x)
18
Networking Tools
The
Networking Tools
provide the capability 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 the packet needs from being sent until being
received again) is measured. The results are displayed in the lower area of the page: The minimal and maximal round trip time and its average, the
percentage of lost and of received frames.
Traceroute
checks the Internet connection by triggering the routers (hops) that are passed to reach the destination specified in the text field
Traceroute Target
.
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
:
Traceroute
is not possible if a high security Firewall has been enabled (see chapter
Firewall
).
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) 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 ICMP request.
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-26: Networking Tools page
To Check the Internet connection
1.
Specify 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.
