278
Parameter Description
Subnet
Mask
gateway and IP address shall be in the same network segment.
Default
Gateway
MTU
It is to set MTU value of the network adapter. The value ranges from 1280-
720
bytes. The default setup is 1500 bytes. Please note MTU modification may res
in network adapter reboot and network becomes off. That is to say, MTU
modification can affect current network service. System may pop up dialog bo
for you to confirm setup when you want to change MTU setup. Click OK button
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 NVR 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 valu
It is the typical setup when there is no PPPoE or VPN. It is the default setu
of some router, switch or the network adapter.
1492: Recommend value for PPPoE.
1468: Recommend value for DHCP.
Step 4 Click OK to complete the Ethernet card edit.
System returns to the TCP/IP interface.
Note
Click to unbind the the Ethernet card. The unbinding comes into effect only after device
reboot.
Step 5 Click OK to save the configuration.
4.6.2.2 Port
The connection interface is shown as in Figure 4-40.
Figure 4-40
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