Dahua Smart Box Series, Руководство пользователя

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Standalone DVR User’s Manual
197
MTU: It is to set MTU value of the network adapter. The value ranges from 1280-7200
bytes. The default setup is 1500 bytes. Please note MTU modification may result in
network adapter reboot and network becomes off. That is to say, MTU modification
can affect current network service. System may pop up dialog box for you to confirm
setup when you want to change MTU setup. Click OK button to confirm current reboot,
or you can click Cancel button to terminate current modification. Before the
modification, you can check the MTU of the gateway; the MTU of the DVR shall be the
same as or is lower than the MTU of the gateway. In this way, you can reduce packets
and enhance network transmission efficiency.
The following MTU value is for reference only.
1500: Ethernet information packet max value and it is also the default value. It is
the typical setup when there is no PPPoE or VPN. It is the default setup of some
router, switch or the network adapter.
1492: Recommend value for PPPoE.
1468: Recommend value for DHCP.
Preferred DNS server: DNS server IP address.
Alternate DNS server: DNS server alternate address.
Transfer mode: Here you can select the priority between fluency/video qualities.
LAN download: System can process the downloaded data first if you enable this
function. The download speed is 1.5X or 2.0X of the normal speed.
LAN download: System can process the downloaded data first if you enable this
function. The download speed is 1.5X or 2.0X of the normal speed.
After completing all the setups please click save button, system goes back to the previous
menu.
Figure 4-87