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Re: Error in assignments....?

  • From: Mike Leber
  • Date: Wed Jun 12 20:40:14 2002


On Tue, 11 Jun 2002, Sabri Berisha wrote:
> Suppose company A has a PA allocation 10.21.0.0/20. Company A gets a T1
> from Carrier B. Carrier B announces 10.21.0.0/20 with their AS65531 and
> statically route the /20 to company A. If Company A wants to be redundant
> and gets another T1 from Carrier C, Carrier C will announce 10.21.0.0/20
> with their AS65532 and statically route 10.21.0.0/20 to Company A.
> 
> I see no problem in this. If Carrier B screws up, the traffic will still
> flow through Carrier C. If Carrier B screws up in such a way that they
> still announce the netspace, Carrier C can announce 2 /21's instead of 1
> /20 so it will still work.

This isn't being done.

Only one AS is announcing the route.  The other registration is cruft.

Mike.

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