ssh hangs w/jumbo frames (MTU=9000)

[Robert La Ferla]

I have been experiencing ssh hangs with my client hosts that are  
using jumbo frames.  I have a LAN with all Gigabit switches  
(Netgear), CAT 5e or greater cabling.  This happened from a Mac  
client (gigabit) and also a Fedora client (Intel gigabit card.)   
There were no error or warning messages.  I even ran sshd using the  
debug switch.  When I dropped the MTU to 1500 on the clients (but not  
the server), they all worked again.  What could be the problem?


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