Re: [FW-1] How to connecto to 2 ISP's?

[Shimon Silberschlag <shimons@FW1-NOSPAMBLL.CO.IL>]

Linkproof sets the TTL for the DNS reply to 0 (zero).

Shimon Silberschlag

+972-3-9352785
+972-51-207130

----- Original Message -----
From: "Nico De Ranter" <nico@SONYCOM.COM>
To: <FW-1-MAILINGLIST@beethoven.us.checkpoint.com>
Sent: Tuesday, June 04, 2002 09:02
Subject: Re: [FW-1] How to connecto to 2 ISP's?


> Wow,
>
> never thought my little mail would spark such a thread :-).
> Thanks for al the replies!
>
> So I have two options: BGP or the Radware box.  The BGP solution
seems to be the best one
> but also the hardest to setup.
>
> 1 question about the Radware solution: for incoming connections to
my mail or webservers
> the Radware box will use DNS to distribute the load over both links.
However DNS queries
> get cached all over the Internet for periods of days or weeks if I
recall correctly.
> So if one of my ISP's goes down this would mean some DNS servers on
the Internet
> might still be caching ip-addresses from that ISP so on the average
half of the traffic
> won't be reaching my servers? Correct?
>
> Nico
>
> On Mon, Jun 03, 2002 at 03:54:58PM +0200, Nico De Ranter wrote:
> > Howdy,
> >
> > for a moment we taught our ISP went bankrupt last week.
Fortunately this
> > turned out not to be the case, however this kind of woke up upper
management :-).
> > So I'm now investigating how to use 2 ISP's for our Internet
connection.
> > Anybody any experience with this? Any links to usefull info?
> > Is this something that should be solved on the firewall level or
will some
> > router magic do the trick?
> >
> > Thanks in advance,
> >
> > Nico
> >
> > ---------------------------------------------------------
> >  "It has been said that there are only two businesses that
> >   refer to customers as users: illegal drug trade and
> >                the computer industry."
> > ---------------------------------------------------------
> > Nico De Ranter
> > Sony Service Center (SDCE/VPE-B)
> > Sint Stevens Woluwestraat 55 (Rue de Woluwe-Saint-Etienne)
> > 1130 Brussel (Bruxelles), Belgium, Europe, Earth
> > Telephone: +32 2 724 86 41 Telefax: +32 2 726 26 86
> > e-mail: nico.deranter@sonycom.com
> ---------------------------------------------------------
>  "It has been said that there are only two businesses that
>   refer to customers as users: illegal drug trade and
>                the computer industry."
> ---------------------------------------------------------
> Nico De Ranter
> Sony Service Center (SDCE/VPE-B)
> Sint Stevens Woluwestraat 55 (Rue de Woluwe-Saint-Etienne)
> 1130 Brussel (Bruxelles), Belgium, Europe, Earth
> Telephone: +32 2 724 86 41 Telefax: +32 2 726 26 86
> e-mail: nico.deranter@sonycom.com
>
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