2 x gigabit ethernet ports
I've noticed a couple of motherboards have two network ports on the back rather than the standard 1 port. What's all that about? I imagine there is a benefit otherwise why would they put an extra port on.
Has anyone got a board with both ports plugged into their network?
z
They will most likely share a chipset, so the extra manufacturing cost compared with boasting TWO GIGABIT ETHERNET PORTS! is probably nothing.
I use both of mine - one is the "dirty" network, going straight to the Internet, while the other is my "private" network which connects to my other computers with a private IP address.
Vista puts them into the relevant network types so I can safely share resources with local machines without them being available to the world at large.
~ I have CDO. It's like OCD except the letters are in alphabetical order, as they should be. ~
PC: Win10 x64 | Asus Maximus VIII | Core i7-6700K | 16GB DDR3 | 2x250GB SSD | 500GB SSD | 2TB SATA-300 | GeForce GTX1080
Camera: Canon 60D | Sigma 10-20/4.0-5.6 | Canon 100/2.8 | Tamron 18-270/3.5-6.3
So you effectively have two IP addresses on the same pc then?
Can you use both ports plugged into the same network to get a 'boost', say for large file transfers? Guess gigabit is going to be pretty fast anyway.
z
Yes, it's referred to as "multi-homing".
While you can connect 2 NICs to the same network and use the same subnet, the binding order of the NICs will determine which ONE of them is used.
There are, for servers, 3rd party methods to "team" NICs together and present 1 virtual NIC to Windows for load balancing, but generally (especially at GigE speed) your bottleneck will be disk access before network throughput.
~ I have CDO. It's like OCD except the letters are in alphabetical order, as they should be. ~
PC: Win10 x64 | Asus Maximus VIII | Core i7-6700K | 16GB DDR3 | 2x250GB SSD | 500GB SSD | 2TB SATA-300 | GeForce GTX1080
Camera: Canon 60D | Sigma 10-20/4.0-5.6 | Canon 100/2.8 | Tamron 18-270/3.5-6.3
I can honestly say that some motherboards (my ASUS P5W) have pretty bad onboard network. I think its just poor drivers to be honest.
Cheers for clearing this up.
z
Is it possible to share a single connection over those two ports, sharing bandwidth? I have heard of such a thing but it seems unlikely to me...
possible, yes, but not worth itOriginally Posted by Gorlak
more useful is failover, and only in very mission-critical environments
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