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TOPIC: Public & Private AS Numbers

Public & Private AS Numbers 8 years 10 months ago #32928

  • hades
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Can somebody please explain the advantage of using public AS number instead of private, in BGP??
I think therefore I am!

Re: Public & Private AS Numbers 8 years 10 months ago #32949

You can not be multihomed with a private ASN, you must have a public one.

Re: Public & Private AS Numbers 8 years 10 months ago #32961

  • hades
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Thanks novembre for info.
But i need to understand it more clearly.
So lets take a case.

"Lets say i am providing service support to any client, and we have the dedicated links from my data center to client data center and BGP running on IPLC routers, then what difference would be there, if migrate the ASN to public from private"

And one more question, "Do we need to acquire the public ASN from some organisation or say from our telecom SP?"

Thanks!
I think therefore I am!

Re: Public & Private AS Numbers 8 years 10 months ago #32984

If the client only connects to only one SP then it makes no difference, only matters if the client is multihomed. ASN's are allocated by your local registrar.

Re: Public & Private AS Numbers 8 years 9 months ago #33192

I am registering my AS number with ARIN.
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