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I have a quesion regarding creating switch loops. I have 1 server with 2 network cards (nic1 and nic2) and 2 switches (sw1 and sw2)

Question: Am I creating a switch loop if I connect nic1 to sw1 and nic2 to sw2 and I cascade sw1 and sw2?

NOTE: no spanning tree in place

  • It would only be a switch loop if the server were acting as a bridge/switch. – joeqwerty Dec 15 '14 at 17:54
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Not unless you install some kind of bridge on the PC with the two NIC's, no.
This is a pretty standard setup for a redundant network.

Your situation mirrors an example in the ciscopress switch redundancy article.

  • sorry but as you realized already I am quite noob on this, would you be able to tell me how do you setup a bridge on the PC? – masuberu Dec 15 '14 at 11:50
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    @masuberu: This would be a separate question, but you should read this to check if your question is appropriate here or if it isn't better suited at Super User (Help Center, topic-list). – Sven Dec 15 '14 at 11:52

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