Are there any statistics on the number of networks using Ethernet Jumbo frames?

Posted by Russell Heilling on Server Fault See other posts from Server Fault or by Russell Heilling
Published on 2010-02-25T10:29:24Z Indexed on 2010/03/22 20:51 UTC
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Filed under:

ethernet

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switching

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wan

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jumboframes

I am often told by Sales Engineers and Product managers that a Layer 2 Ethernet service is not fit for purpose if the maximum supported frame size is in the 1518-1522 range (enough to support standard Ethernet frames or VLAN tagged frames).

Or in other words: an MTU of 1500 is not enough (see this blog post for my definition of MTU and a short rant on how the term is often misused)

I am never able to get any details from them on:

a) What proportion of customers (Enterprise / SMB) require Jumbo frames

b) What are typical expectations on frame size for Jumbos on WAN links? 1600, 2000, 9k, etc...

I know that in Telco and Data Centre environments Jumbos are pretty common, but I am after some insight as to how common this is within Enterprise and SMB networks.

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