TCP differences in 7.2 vs 7.1

Xin LI delphij at delphij.net
Tue May 12 20:42:56 UTC 2009


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Hi David,

David Samms wrote:
> After upgrading to 7.2 (amd64) some customers complained of very poor
> bandwidth.  Upon investigation all the effected customers were ATT DSL
> clients located all over the USA, not in a single city, nor were other
> ISPs effected.  The server is a Supermicro with  dual (quad core)
> processors with a single Intel fxp network card on a 100mbit connection.

Could you please try if this would help:

	sysctl net.inet.tcp.tso=0

Cheers,
- --
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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