Dahua HCVR21**HS-S2 Series, User Manual

Page: 167 / 331

HDCVI Series DVR User
’s Manual
157
4.11.1.3.1 Upgrade
It is to update the camera.
From main menu->setting->camera->remote upgrade, the interface is shown as below. See Figure 4-82.
Click Browse button and then select the upgrade file. Then select a channel (or you can select device
type filter to select several devices at the same time.)
Click Start upgrade button to update. You can see the corresponding dialogue once the upgrade is finish.
Figure 4-82
4.11.2 Network
4.11.2.1 TCP/IP
The interface is shown as in Figure 4-83

IP Version: There are two options: IPv4 and IPv6. Right now, system supports these two IP address
format and you can access via them.

MAC address: The host in the LAN can get a unique MAC address. It is for you to access in the LAN. It
is read-only.

IP address: Here you can use up/down button (

) or input the corresponding number to input IP
address. Then you can set the corresponding subnet mask the default gateway.

Default gateway: Here you can input the default gateway. Please note system needs to check the
validity of all IPv6 addresses. The IP address and the default gateway shall be in the same IP
section. That is to say, the specified length of the subnet prefix shall have the same string.

DHCP: It is to auto search IP. When enable DHCP function, you can not modify IP/Subnet mask
/Gateway. These values are from DHCP function. If you have not enabled DHCP function,
IP/Subnet mask/Gateway display as zero. You need to disable DHCP function to view current IP
information. Besides, when PPPoE is operating, you can not modify IP/Subnet mask /Gate way.

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