QNAP VS-8124U-RP PRO+ User Manual download pdf (Page 230)

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Network Speed

Select the network transfer rate according to the network environment to which the

NVR is connected. Select auto negotiation and the NVR will adjust the transfer rate

automatically.

Obtain the IP address settings automatically via DHCP

If the network supports DHCP, select this option and the NVR will automatically

obtain the IP address and network settings.

Use static IP address

To use a static IP address for network connection, enter the IP address, subnet mask,

and default gateway.

Jumbo Frame Settings (MTU)

“Jumbo Frames” refer to the Ethernet frames that are larger than 1500 bytes. It is

designed to enhance Ethernet networking throughput and reduce the CPU utilization

of large file transfers by enabling more efficient larger payloads per packet.

Maximum Transmission Unit (MTU) refers to the size (in bytes) of the largest packet

that a given layer of a communications protocol can transmit.

The NVR uses standard Ethernet frames: 1500 bytes by default. If the network

appliances support Jumbo Frame setting, select the appropriate MTU value for the

network environment. The NVR supports 4074, 7418, and 9000 bytes for MTU.

Note: The Jumbo Frame setting is valid in Gigabit network environment only. All the

network appliances connected must enable Jumbo Frame and use the same MTU

value.

DHCP Server

A DHCP (Dynamic Host Configuration Protocol) server assigns IP addresses to the

clients on a network. Select “Enable DHCP Server” to set the NVR a DHCP server if

there is none on the local network where the NVR locates.

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QNAP VS-8124U-RP PRO+ User Manual Page 230