Qvis I-ZEUS-HYBRID1 User Manual page 85

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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.
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TCP port: Default value is 37777.
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UDP port: Default value is 37778.
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HTTP port: Default value is 80.
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HTTPS port: Default value is 443.
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RTSP port: Default value is 554.
Important: System needs to reboot after you changed and saved any setup of the above
four ports. Please make sure the port values here do not conflict.

Max connection: system support maximal 128 users. 0 means there is no connection limit.

MTU: This sets the 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 a 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.
o
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.
o
1492: Recommend value for PPPoE.
o
1468: Recommend value for DHCP.
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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.
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