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GigE Optimizing image transfer

GigE Optimizing image transfer

Updated Date

20/12/2024 07.01 PM

What settings should I change on my NIC to improve my streaming performance?

 

USB to Ethernet adapters and docking stations

When connecting video cameras, such as IR cameras with a GigE interface, to a laptop, it is crucial to ensure that the Network Interface Card (also called NIC) used can handle the required data throughput. Many standard USB to Ethernet adapters and Docking Stations may not offer sufficient speed for these applications, potentially leading to performance issues.

For optimal performance, we recommend using a USB 3.0 Type C Thunderbolt to Ethernet Port adapter. These adapters are designed to handle higher data rates and are widely available on the market. This type of adapter is especially beneficial if the camera functions correctly with a laptop’s built-in Ethernet port but encounters issues when using a standard USB to Ethernet adapter. 

Using jumbo packets

It is recommended to enable jumbo packets for all high-definition or high-speed cameras. This will improve performance. However, the same settings can also hinder streaming performance for lower bandwidth cameras. 

Selecting a NIC and Laptop

Based on our testing, we recommend Intel NICs. In particular, we recommend the PRO 1000 line of Intel PCI Express (PCIe) NICs, which are affordable, receive data well, and are easy to find. In cases where it is difficult to find an Intel NIC that suits your needs (for example, for some laptops) or where you already have a non-Intel NIC, we also support all other brands of NICs, with some limitations.

PCIe NICs versus PCI NICs

Pleora recommends PCIe NICs, which are found in most modern computers (instead of PCI NICs). These NICs provide 1 Gbps of bandwidth.
  If you have a PCI NIC in your computer, the theoretical bandwidth of the bus is 1.064 Gbps (133 MBps). However, it is important to note that the full bandwidth may not be available, due to the following constraints:

The PCI bus is shared with other devices in the computer, meaning that all of the cards in your computer share the same bandwidth.

There is overhead associated with PCI bus communication.

MISSING_PACKET errors can be an indication that there is insufficient bandwidth.

Choosing a Laptop

Pleora has seen good performance on laptops that have the Intel Pro 82567 chipset. When selecting a laptop, this is the recommended chipset. If selecting an add-on laptop Gigabit card, we recommend ExpressCard, which streams well at maximum bandwidth.
 

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