RE: ADSL Lease Lines

2008-07-15 Thread Sean Cavanaugh


 Date: Tue, 15 Jul 2008 17:08:24 +0100 From: [EMAIL PROTECTED] To: 
 freebsd-questions@freebsd.org Subject: ADSL  Lease Lines QUESTION
 Would it be possible to employ some FreeBSD wizardry to affectively bond the 
 lease line with the ADSL connection? I know this can be done through Cisco 
 routers but again budgetary issues are the limiting factor.   Any help 
 will be gratefully received.   TIA  Nikki 
take a look at pfSense.com. its based on FreeBSD and most users find it as 
reliable as an enterprise level router.
 
-Sean___
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Re: ADSL Lease Lines

2008-07-15 Thread Wojciech Puchar

Unfortunately one of my offices is located in a real nasty location as
far as internet connectivity is concerned, up until now I've been using
a standard ADSL connection but an upload of 512Kbs is now a huge problem
for my remote users. With this in mind (and budgetary issues) I have no
option but to go for an E1 carrier (2048Kbit)


BTW E1 is 2000Kbit/s (=2048000bits/second)




Well, this fixes my real _slow_ upload but reduces my download by about
5Mbit. Initially I was planning on having the lease line purely for my


how do you download 5Mbit/s through 2Mbit/s E1?



Would it be possible to employ some FreeBSD wizardry to affectively bond
the lease line with the ADSL connection?  I know this can be done


you can't bond two different links with 2 different IP addresses.
you can do bonding only if your provider can do (like to do) the same.

but you can simply make somehow smart firewall rules with forward 
command. it's how it's called in ipfw (fwd IP number), no idea about pf.


for example - make proxy server with squid, set tcp_outgoing_address to 
your ADSL's IP, and make firewall rules to forward all going from ADSL's 
IP through ADSL modem, while having default route through E1, and all 
other services on E1.



that's exactly what i do for 300 people LAN - use expensive symmetric 
connections for everything except WWW browsing - which goes through ADSL

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