Hi, On Wed, Jan 19, 2011 at 10:20:41AM +0800, Muhammad Atif Jauhar wrote: > ip mtu 1520 > > *Kindly let me know, why I am not able to ping with DF bit with size more > than 1520 (MTU value). How can I troubleshoot the issue. *
"DF" says "don't fragment", so what is the box supposed to *do* with a
packet that is larger than the "Maximum Transmission Unit", MTU.
Either fragment, or drop. Don't fragment -> drop. No ping.
There's nothing to troubleshoot here, this is fully expected behaviour.
gert
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