Dahua NVR52-4KS2 Series User Manual page 357

to configure the NIC card, and then click OK.
Step 2 Click
Parameter Description
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●
Network Mode
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The Device with single Ethernet port does not support this function.
Figure 5-218 TCP/IP
Table 5-58 TCP/IP parameters
Single NIC : The current NIC card works independently. If the current
NIC card is disconnected, the Device becomes offline.
Fault Tolerance: Two NIC cards share one IP address. Normally only
one NIC card is working. When this card fails, the other NIC card will
start working automatically to ensure the network connection. The
Device is regarded as offline only when both NIC cards are
disconnected.
Load Balance: Two NIC cards share one IP address and work at the
same time to share the network load averagely. When one NIC card
fails, the other card continues to work normally. The Device is regarded
as offline only when both NIC cards are disconnected.
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User's Manual