Dahua DH-XVR4104C-X, User Manual

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Local Configurations 52
Parameter Description
Alternate DNS In the Alternate DNS box, enter the IP address of alternate DNS.
MTU
In the MTU box, enter a value for network card. The value ranges from
1280 byte through 1500 byte. The default is 1500.
The suggested MTU values are as below.
1500: The biggest value of Ethernet information package. This

value is typically selected if there is no PPPoE or VPN connection,
and it is also the default value of some routers, network adapters
and switches.
1492: Optimized value for PPPoE.

1468: Optimized value for DHCP.

1450: Optimized value for VPN. 
Test
Click Test to test if the entered IP address and gateway are
interworking.
Table 5-5
5.1.4.5 Configuring P2P Settings
You can add the Device into your cell phone client or the platform to manage.
You can also configure P2P function by selecting Main Menu > NETWORK > P2P .
Make sure the DVR is connected into the Internet, and if yes, in the Status box of the P2P
interface, it shows Online .
After you have configured the network settings, on the NETWORK interface, click Step 1
Next .
The P2P interface is displayed. See Figure 5-19.
Figure 5-19
Enable the P2P function. Step 2