John,
Do you know anything about the Radware linkproof unit that you mentioned
earlier?
I read the gumpf, but I also read that there wasn't anyone around that had
actually implemented this.
Any ideas, experience with this unit?
Rashid Lohiya
[EMAIL PROTECTED]
020 8509 2990
07785 362626
www.pioneer-computers.com
London UK
"John Neiberger" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> | "John Neiberger" wrote in message
> | [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> | > If you connect to two separate providers this opens a much larger can
> of
> | > worms. You're going to need to apply for your own Autonomous System
> | number
> | > from ARIN (www.arin.net).
> |
> | Is it possible to coordinate with the two ISPs, and agree that you will
> use
> | a reserved AS number (49512 or above) that they could both then
> communicate
> | with you? This would at least avoid having to mess with ARIN.
> |
> | Mike W.
> |
>
> This won't work because even if the two providers agreed to allow you to
use
> the reserved AS number for communication with them, that ASN would be
> stripped once your advertisements reached their networks. Then would then
> have to advertise your networks as originating from their own AS. This is
> great for the provider who gave you the address space but the other
provider
> is not allowed to do this.
>
> Another related issue is the concern that your address space will get
> aggregated by your original ISP. Even if you had your own ASN, your first
> provider will be announcing a less-specific route for your network than
your
> new provider will. Since routers route based on longest match, all remote
> traffic destined for your AS would come through the second ISP.
>
> Yet another related issue is that of getting at least a /24 so that your
> routes won't get filtered. Many ISPs filter prefixes with masks longer
than
> /24. If you don't really need a /24 but you really want redundancy,
you're
> still wasting addresses that might have been used better elsewhere.
>
> I apologize if any of this isn't very clear. I'm still recovering from a
> lot of travel yesterday and my explainer is broken. I was in Chicago for
a
> SNAM class and I'm going to have to write a review and post it to the
list.
> It was a KILLER class!
>
> Regards,
> John
>
>
>
>
>
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