Click Next button, you can go to network interface. See Figure 4-11.
Network Mode: Includes multiple access, fault tolerance, and load balancing. Please note the
network mode is not for product of single-Ethernet card.
Multiple-address mode: eth0 and eth1 operate separately. You can use the services such as
HTTP, RTP service via etho0 or the eth1. Usually you need to set one default card (default
setup is etho) to request the auto network service form the device-end such as DHCP, email,
FTP and etc. In multiple-address mode, system network status is shown as offline once one
card is offline.
Network fault-tolerance: In this mode, device uses bond0 to communicate with the external
devices. You can focus on one host IP address. At the same time, you need to set one master
card. Usually there is only one running card (master card).System can enable alternate card
when the master card is malfunction. The system is shown as offline once these two cards are
both offline. Please note these two cards shall be in the same LAN.
Load balance: In this mode, device uses bond0 to communicate with the external device. The
eth0 and eth1 are both working now and bearing the network load. Their network load are
general the same. The system is shown as offline once these two cards are both offline. Please
note these two cards shall be in the same LAN.
Default Network Card: Please select eth0/eth1/bond0(optional) after enable multiple-access
function
Main Network Card: Please select eth0/eth1 (optional).after enable multiple access function.
Note: Some series support the above three configurations and supports functions as
multiple-access, fault-tolerance and load balancing.
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 /Gateway.
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.
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