Dahua NVR21-4KS3 Series User Manual page 139

● Automatically get DNS server address: When there is a DHCP server in the network,
you can enable DHCP, and then the Device gets a dynamic IP address.
● Enter DNS server address: Select IP Version, and then configure the preferred DNS
server and alternate DNS server.
4) On the Default Card drop-down list, select the default NIC.
5) Click Next.
Step 3 Enable P2P, and then click Next.
Scan the QR code on the actual page to download the app. Register an account and then
you can add the Device to the app.
Before using the P2P function, make sure that the NVR has connected to the WAN.
The Status becomes Online after you successfully configure P2P.
Step 4 Add cameras according to the actual situation.
After adding cameras, you can view the video images transmitted from the cameras, and
change camera configuration.
● The number of cameras that can be added to the NVR varies with models.
● The system supports adding camera through searching, manual add and batch add.
This section uses adding by searching as an example.
● Initialize the camera before adding to the Device.
1) Click Search Device.
The devices found are displayed at the upper pane, excluding devices already added.
Figure 5-6 P2P
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User's Manual