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Multi Port NIC Card Question

Posted on 2013-12-12
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Last Modified: 2013-12-12
My curent setup: Proxy Server, Two NICs, one connected to the Internet Router, and the other connected to my internal network.

The one connected to my network has several IP address's assigned to it, and I would like to replace it with a NIC that has four physically seperate ports.

Can I, after assinging seperate IP number to each port...plug all four into the same HUB/Switch?  

 If not, a short explanation on how to do so would be useful, I could then reach out to local vendors to help address the problem.
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Question by:Eric_Where_am_I
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tercex11 earned 240 total points
ID: 39713961
Once you assign an IP to each interface, they will basically act as if they were physically separate NIC cards in the server, even though it is a multi port card, so you can connect them to the same switch, but here are some things to consider.

If they all have IP's on the same network, then what is the benefit of having them all connected to the same switch? If you are trying to increase your bandwidth, then you may want to team the interfaces (make them act as one card sharing an IP). If you are going to have IP's on different networks, then you can connect them to the same switch but you will need some way to route the traffic between networks or vlans.  For example 192.168.10.2/24 cannot talk to  192.168.100.2/24 without some type of routing device.
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by:Eric_Where_am_I
ID: 39714529
thanks you answered my question.  I am actually trying to keep small groups separate from each other, so each group will access the Proxy on a different IP address.  My concern was causing collisions if I connected this card four times to the switch, which it sounds like won't be an issue.
(as long as each port has a different subnet)
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by:Eric_Where_am_I
ID: 39714532
Nope
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