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11.1.2 E-label
E-Label (also called permanent configuration data or files information) is flashed into storage
device during the process of the module debugging, including the information about name,
production serial number, module production or custom manufacturer.
Click Device Management> Device Management > E-label to view E-label information of
switch, the configuration page is displayed as Figure 11-2.
Figure 11-2 E-label
11.2 Device Diagnostics
Use Device Diagnostics to test the interfaces and cables of the switch.
11.2.1 Interface Loopback Test
Interface Loop-back Test is a very normal test. If the interface receives a message which is
sent by itself, it means that there is loop-back on the interface. This test is used to diagnose
and analyze the problem of interface and chip.
Click Device Management> Device Diagnostics > Interface Loopback Test to select the
interface which is to be diagnosed from the interface list, and then click Start Diagnose
button to diagnose, the configuration page is displayed as follows.
Figure 11-3 Interface Loopback Test
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