On 3/29/07, Kyle George <[EMAIL PROTECTED]> wrote:
On Wed, 28 Mar 2007, Watson Crick wrote:

> I've got OpenBSD 4.0 (release) on a laptop setup up as a router between
> 2 subnets, and providing internet access through a 3rd nic to a DSL
> modem. The problem is the bandwidth between the two subnets.  I'm only
> getting a maximum of about 500 KB/s between two 100mbit cards. Top shows
> ~70% interrupt (~29% idle) while these transfers are going on. I don't
> know what the bottleneck is in the system.  Are the Linksys PCMCIA nics
> crappy? Did I screw something else up?

Try http://www.openbsd.org/faq/faq6.html#Tuning.

Increase net.inet.tcp.{send,recv}space.


It says

 "You would normally use this to allow for routing or connection
problems. Of course, for it to be most effective, both sides of the
connection need to use similar values."

If you have an ISP that gives you IP aadrees ( using PPPOE ) it there
a way to measure or detect the valuse on the ISP's side?

The main problem being the support personnel mostly doesnot know these
things :-(

Thankyou so much

kind regards

Siju

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