[c-nsp] MPLS MTU / Jumbo frames etc.

[Ray Burkholder]

> Also the 3560/3750 series support jumbo frames up to "only" 9000 bytes.

When people define these MTU sizes, what does this size include?   The
payload?  The ip header?  Layer 2 header?  Some documentation seems murky on
this issue.  

When working with MTU changes necessary for MPLS operation, things get
somewhat confusing.  For example in this document, somehow MPLS can have an
MTU setting greater than what is allowed on the interface itself.

http://www.cisco.com/en/US/docs/ios/12_2sb/feature/guide/newmtu.html

Ray


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