[plug] ADSL failover

Justin Hall justin at inwa.com.au
Wed Aug 15 10:30:17 WST 2001


I use iinet ADSL, and it hasn't gone down since i had it put in in May. They use

Telstra but do it in a different way to Telstra. They don't use pppoe or
anything, your link has an IP address - and they give you an address for your
box, and that is it. In my opinion a much cleaner system.

Justin

Simon Scott wrote:

>         Funny, they are getting iinet adsl, but i thought iinet were using
> Hel$tra infrastructure? I had bigpong adsl and it sucked the big one.
>
>         Yeh, I think the if-down/up scripts will be the way to go. Or
> possibly a seperate daemon that monitors these things and makes sure one or
> the other is up.
>
>         Altho Im going to look at Pizzabox and perhaps it has some way for
> this to be handled. Even manually would be ok I guess.
>
>         They wont be serving, so it doesnt matter.
>
>         Thanks
>
>         From:   James Bromberger <james at rcpt.to> on 14/08/2001 04:14 PM
>         Please respond to plug at plug.linux.org.au@SMTP at Exchange
>         To:     plug at plug.linux.org.au@SMTP at Exchange
>         cc:
>
>         Subject:        Re: [plug] ADSL failover
>
>         On Tue, Aug 14, 2001 at 03:25:46PM +0800, Simon.Scott at flexiplan.com
> wrote:
>         > A friend of mine is setting up a linux box to act as a gateway for
> a small
>         > network. He plans on getting ADSL, as well as a dialup account
> (due to ADSL's
>         > problematic nature).
>
>         I've had very few problems with my iiNet DSL...
>
>         > Has anyone written/heard of a script which will automatically dial
>
>         > in after ADSL fails (plus a few retries)?
>
>         /etc/network/if-down.d or similar. You can tell pppd to do something
>
>         when it exists. Why not tell it to pick up the modem!
>
>         > If not, can anyone think of the best way of acheiving this? It
> would be
>         > nice to
>         > go the other way too, where the script would start a cron job to
> test ADSL
>         > connectivity (maybe via pppoe switches to see if the access
> concentrator is
>         > visible) every now and then and if ADSL comes up, drop dial up.
>         >
>         > As an aside, if I had a dialup account and ADSL up at the same
> time, what would
>         > the routing issues be? (ie which would take preference?)
>
>         Evil. Assuming you are calling the same service provider, you can
> try and
>         get them to figure this out. You may have to delve into BGP
> broadcasts if
>         you have a protable network block, or Dynamic DNS, if you're hosting
> services.
>
>         If you're just putting web traffic over it, and not serving stuff
> up,
>         then it should matter if you change IP addresses.
>
>         --
>          James Bromberger <james_AT_rcpt.to> www.james.rcpt.to
>
>          Remainder moved to http://www.james.rcpt.to/james/sig.html
>
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