[LARTC] Loadbalancing how to ? ? ? ?
Khanh Cao Van
cvkhanh at gmail.com
Tue Jul 5 11:41:41 CEST 2005
yes , I would like to findout the solution for this situation too
On 7/5/05, hareram <hareram at sol.net.in> wrote:
> Hi
>
> in this case merging of all links to one big pipe
> what if the one of the link fails.. its automatically detect
> and combine rest of the links or it keep tries to send the packets dead
> gateway
>
>
> for example
>
> if i have 3 links.. one fails.. rest 2 become one (big pipe) link right ?
>
> or any other configuration required ?? or you given script works ??
>
> hare
> ----- Original Message -----
> From: "Robert Kurjata" <rkurjata at ire.pw.edu.pl>
> To: "ro0ot" <ro0ot at phreaker.net>
> Cc: "Linux Advanced Routing" <lartc at mailman.ds9a.nl>
> Sent: Sunday, July 03, 2005 11:53 PM
> Subject: Re[2]: [LARTC] Loadbalancing how to ? ? ? ?
>
>
> > Witaj ro0ot,
> >
> > W Twoim liście datowanym 3 lipca 2005 (18:25:32) można przeczytać:
> >
> > r> Is it possible to combine the 2 or 4 ADSL line into 1 line (big pipe)?
> >
> > As I already wrote: Yes, (more or less :) with some limitations. All
> > those "blind" loadbalancing solutions have one BIG drawback - they
> > work for setups with lots and lots of concurent connections [cause
> > single connection has to use single line], and one smaller but annoying -
> > they cannot guarantee that subsequent reqests to the same host will
> > use the same source IP - home banking affected most.
> >
> >
> > r> Regards,
> > r> ro0ot
> >
> >
> > r> Robert Kurjata wrote:
> >
> >>>Witaj Cao,
> >>>
> >>>W Twoim liście datowanym 2 lipca 2005 (17:40:05) można przeczytać:
> >>>
> >>>CVK> I have 2 ADSL ad1 and ad2 , one PC for my firewall and some
> >>>CVK> deamon on it with 3 ethernet : eth0 connect to my LAN (
> >>>
> >>>This question comes and goes on this list :)
> >>>
> >>>Please read information at: http://www.ssi.bg/~ja/ , especially
> >>>http://www.ssi.bg/~ja/nano.txt
> >>>and you can try my script http://www.ssi.bg/~ja/tmp/mpath2.sh to
> >>>load balance 2 (or more - I was using 4) connections with great
> >>>success. No daemon needed :)
> >>>
> >>>There are also other solutions in list archive.
> >>>
> >>>IMHO the routing code has precedence over iptables so it chooses the
> >>>outgoing interface over which the iptables will SNAT in input routing
> >>>process. And thats why you will not see the effect in this setup (thi
> >>>interface has already been chosen). It is possible (and
> >>>reasonable) to SNAT to multiple IPs residing on one interface.
> >>>
> >>>Correct me if I'm wrong, please...:)
> >>>
> >>>
> >>>
> >
> >
> >
> >
> > --
> > Pozdrowienia,
> > Robert
> >
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> >
> >
>
>
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--
-------------------------------
Cao Van Khanh
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