OT: mtus

Kevin P. Fleming kpfleming at linuxfromscratch.org
Sat Jul 31 21:56:53 PDT 2004


Bruce Dubbs wrote:

> There are pros and cons here.  If transferring between two systems that 
> both understand jumbo frames, the speed can be significantly faster due 
> to reduced overhead.  On the other hand, if the source and destination 
> systems use differnt MTUs, it can increase overhead due to IP packet 
> fragmentation and opens up a class of network attacks such as a teardrop 
> attack.

Absolutely agreed. This "jumbo frames" technique should only be used on 
network segments that are not routed elsewhere, or the IP layer can get 
very confused.



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