[Techtalk] 2nd networking question
H. Peter Anvin
hpa at zytor.com
Tue Sep 3 20:22:16 EST 2002
Maria Blackmore wrote:
> tcpdump -nvv -s 9000 -w dumpoutput tcp port 20 or tcp port 21 or icmp
> before making the ftp connection and transfering the file.
> (9000 because you're using gigabit ethernet, gigabit ether supports Jumbo
> frames up to 9000 bytes in size, which is Funky(tm) )
Actually only some cards/switches do, and everything in between needs to
support them. Depending on the card, you might need driver support, too.
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