Publication date: Jan, 2009
Revision A1
154
Function name:
Loopback Test
Function description:
In the Loopback Test function, there are two different loopback tests. One is
Internal Loopback Test and the other is External Loopback Test. The former
test function will not send the test signal outside the switch box. The test signal
only wraps around in the switch box. As to the latter test function, it will send
the test signal to its link partner. If you do not have them connected to active
network devices, i.e. the ports are link down, the switch will report the port
numbers failed. If they all are ok, it just shows OK.
Note: Whatever you choose Internal Loopback Test or External
Loopback Test, these two functions will interfere with the normal
system working, and all packets in sending and receiving also will
stop temporarily.
Fig. 3-94
Function name:
Ping Test
Function description:
Ping Test function is a tool for detecting if the target device is alive or not
through ICMP protocol which abounds with report messages. The switch
provides Ping Test function to let you know that if the target device is available
or not. You can simply fill in a known IP address and then click <Ping> button.
After a few seconds later, the switch will report you the pinged device is alive
or dead in the field of Ping Result.
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