Re: Load balancing

Ian C.Sison (ian.s@qsr.com.ph)
Mon, 13 Dec 1999 17:08:26 +0800


Because of the nature of an FTP session (two connections: one to a well known
port, and the other using a runtime-generated port), i doubt that this can be
easily done. \8(

On Mon, 13 Dec 1999, Lucas wrote:
> Hi,
>
> Ive the same scenario. Is it posible to send all ftp-traffic by the
> 64K channel and the rest by the 128K ????
>
> How ???
>
> "Ian C.Sison" wrote:
> >
> > Check out equal cost multipath, a kernel 2.2 advanced routing option. It will
> > allow you to set multiple default routes which the kernel will round-robin
> > depending on the weights you give them. You need the IPROUTE2 package to do
> > this BTW.
> >
> > Actually determining which link has the heavier load is the job of scripts you
> > should do to monitor bandwidth, and modify the routing table accordingly, and
> > is left as an exercise to the reader \8)
> >
> > On Mon, 13 Dec 1999, Thomas Kuehne wrote:
> > > Hi
> > >
> > > I have two the following network set-up:
> > >
> > > / /
> > > /_ 64 kbps /_ 128 kbps
> > > / /
> > > / /
> > > |----| |----|
> > > | A | | B |
> > > |----| |----|
> > > \ /
> > > \ /
> > > \ /
> > > \ /
> > > \ /
> > > |----|
> > > | C |
> > > |----|
> > > |
> > > |
> > > LAN
> > >
> > > 'A' ist a Linux box, which is throug a 64 k satellite link connected to
> > > the Internet, 'B' is another Linux box, which is throug a 128 k
> > > satellite link connected to the Internet. 'C' is a third Linux box,
> > > which is supposed to be the gateway for the LAN. How can I aggregate the
> > > two connections from 'A' and 'B' into one in 'C'? How do I have to
> > > set-up 'C', such that it does a load balancing beween 'A' and 'B'. E.g.
> > > if 'A' is under heavy load, automatically switches to 'B' and vice
> > > versa?
> > >
> > > Thanks for your help
> > > -Thomas
> > > -
> -
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