If fiber runs 1gig fine, are there any concerns when considering upgrading to 10gig transceivers?

Posted by Eric on Server Fault See other posts from Server Fault or by Eric
Published on 2011-11-16T22:12:15Z Indexed on 2011/11/17 1:54 UTC
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networking

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switch

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fiber

We had fiber installed (connecting ~10 buildings) around 5 years ago and it has been working great. The initial setup involved Procurve 2848 and 2824 switches w/ 1gig transceivers. However, lately we have been considering upgrading our network both to increase bandwidth and possibly add VOIP.

However, a lot of this is assuming that we can just use pop the existing fiber into 10gig XFP transceivers in better switches and call it a day. If the fiber works fine at 1G does that mean it should be fine for 10gig? If not, how can we confirm that our existing fiber trunks will work, preferably in an affordable fashion?

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