User Manual of DS-91/90HFI-ST/RT/XT & DS-81/80HFI-ST & 91/90/81HWI-ST Series DVR
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9.4
Network Detection
Purpose:
You can obtain network connecting status of device through the network detection function, including network
delay, packet loss, etc.
9.4.1
Testing Network Delay and Packet Loss
Steps:
1.
Enter the Network Detection interface.
Menu > Maintenance > Net Detect
2.
Click the
Network Detection
tab to enter the Network Detection menu.
Figure 9. 35
Network Detection Interface
3.
Select a NIC to test network delay and packet loss.
4.
Enter the destination address in the text field of
Destination Address
.
5.
Click
to start testing network delay and packet loss. The testing result pops up on the window.
If the testing is failed, the error message box will pop up as well.
Figure 9. 36
Testing Result of Network Delay and Packet Loss
9.4.2
Exporting Network Packet
Purpose:
By connecting the device to network, the captured network data packet can be exported to USB-flash disk,
SATA/eSATA DVD-R/W and other local backup devices.
Steps:
1.
Enter the Network Traffic interface.
Menu > Maintenance > Net Detect
