How to configure FreeBSD machine as a bridged router?

2007-12-13 Thread Jake Conk

Hello,

I have 2 nic cards in my machine and I want to place this machine  
between my internet connection and my router without it looking like  
another router between the 2 networks (internet  and my network). I  
want to connect the internet line in the first nic card and the line  
to my network in the second nic card as if it were a 1 port router in  
bridge mode that has 1 line with the internet and the second line that  
goes to my network. Is a setup like this possible with FreeBSD?


The reason why I'm asking is because I want to configure this machine  
with the net.inet.tcp.inflight options and see if it boosts up data  
transfer speeds without changing my network configuration, just adding  
this device in front of it.


Thanks,
- Jake
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Re: How to configure FreeBSD machine as a bridged router?

2007-12-13 Thread Predrag Punosevac

Jake Conk wrote:

Hello,

I have 2 nic cards in my machine and I want to place this machine 
between my internet connection and my router without it looking like 
another router between the 2 networks (internet  and my network). I 
want to connect the internet line in the first nic card and the line 
to my network in the second nic card as if it were a 1 port router in 
bridge mode that has 1 line with the internet and the second line that 
goes to my network. Is a setup like this possible with FreeBSD?


The reason why I'm asking is because I want to configure this machine 
with the net.inet.tcp.inflight options and see if it boosts up data 
transfer speeds without changing my network configuration, just adding 
this device in front of it.


Thanks,
- Jake
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RE: How to configure FreeBSD machine as a bridged router?

2007-12-13 Thread Ted Mittelstaedt


 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] Behalf Of Jake Conk
 Sent: Thursday, December 13, 2007 8:14 PM
 To: freebsd-questions@freebsd.org
 Subject: How to configure FreeBSD machine as a bridged router?


 Hello,

 I have 2 nic cards in my machine and I want to place this machine
 between my internet connection and my router without it looking like
 another router between the 2 networks (internet  and my network). I
 want to connect the internet line in the first nic card and the line
 to my network in the second nic card as if it were a 1 port router in
 bridge mode that has 1 line with the internet and the second line that
 goes to my network. Is a setup like this possible with FreeBSD?

 The reason why I'm asking is because I want to configure this machine
 with the net.inet.tcp.inflight options and see if it boosts up data
 transfer speeds without changing my network configuration, just adding
 this device in front of it.


It won't.  The extra fancy go-fast options in the TCP protocol
are negotiated between sender and receiver.  In any case, even if
the router could do anything, by definition a bridged device, which
is what your talking about here - is a layer 2 only device and cannot
modify the packets in any way.

If you would be willing to tell us exactly what your Internet
connection is, what hardware/software devices it consists of,
and what speeds it is supposed to be and what speeds your seeing,
we could give you some advice that might help you out.

Ted
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