Hi Everyone,

Generic question on mtu/fragmentation/drops that Im hoping someone can explain.


Our PE cust Interface "had" MTU set to 9100

Cust CE WAN Interface has MTU set to 1500


If we pinged with anything above 1500bytes (No DF-bit set), packets were 
dropped.


If we set our PE's Int to 1500, and pinged above 1500bytes, packets would pass 
(But obviously be fragmented).


My question is why?  i.e. Why would reducing our PE's Ints MTU size to 1500 
"allow" packets above 1500bytes to pass fragmented, but at 9100, they were 
dropped?



Thanks in advance.
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