2 ethernet ports. is that posible?

Former Member over 9 years ago

Hi, we are in a tech project and we need a few raspberry pi 2B. But we need 2 ethernet ports. is that posible?

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gdstew over 9 years ago +1

Yes, you can use USB to Ethernet (10/100 Mb/s) adapters which are readily available from lots of sources. You should check for compatibility (drivers) with the Raspberry Pi. If you need fairly high bandwidth…

0 gdstew over 9 years ago

Yes, you can use USB to Ethernet (10/100 Mb/s) adapters which are readily available from lots of sources. You should check for compatibility (drivers) with the Raspberry Pi.
If you need fairly high bandwidth on the "USB" Ethernet interface that could be a problem however that statement is based on the older Raspberry Pi model B and may not
apply to the 2B. I have not seen any test results for this on the 2B so testing (and sharing the results !) would be the only way to know for sure.
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0 gadget.iom over 9 years ago

There is a list of tested and compatible USB to Ethernet adaptors available here:
RPi USB Ethernet adapters - eLinux.org
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0 Former Member over 9 years ago

wow, thanks! what about to integrate a wifi point acces? maybe we need all built-in on a raspberry pi to optimize the sieze of our prototype... if it works, maybe we need a lot...100 aprox.
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0 balearicdynamics over 9 years ago

Hi Joan,

I have used a WiFi on USB bridged with ethernet but by a technological point of view there is not difference using two ethernet ports as well.

You can see the post here: http://www.element14.com/community/community/design-challenges/sci-fi-your-pi/blog/2015/05/08/meditech-creating-a-pi-bridge

Enrico
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0 clem57 over 9 years ago

You may want to see this: Raspberry Pi Tor relay or Roll Your Own Anonymizing Tor Proxy with a Raspberry Pi
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0 clem57 over 9 years ago in reply to clem57

http://www.ostalks.com/2012/12/22/running-a-caching-proxy-server-with-traffic-optimization-using-ziproxy-and-squid-in-raspberry-pi/
Joan Cuevas
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0 balearicdynamics over 9 years ago

Another option using two ethernet is - without bridging and special differentiated usages - simply as a Round-robin management of the packets to optimise data transfer increasing the available network bandwidth. The point is that you have asked the question in terms of possibility; maybe good to know something more on the usage you plan with these two ethernet connections. As the Raspberry PI raspbian or jessie distributions are just Debian distro, you can also use the dual Raspberry PI ethernet to manage a different network segments routing, creating a - not so fast - reliable firewall and more.

Is possible to have more details on what is the project use you plan?

Enrico
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