On Wed, 9 May 2001, Brett Johnson wrote:
> If I acquire an AS number and use it with two providers what happens if in
a
> year or two
> I decided to change one of the providers. Do I have to inform ARIN or
> acquire a new AS
> number? What would be the process of informing the Internet (through BGP)
> when changing
> the ISP? How about if I added a third ISP instead of changing ISPs?
The AS is yours forever.
You do not inform the Internet, you simply drop the one transit provider,
and bring a BGP session up with the new one..........
If you add a third transit AS, then you just bring up a session, then when
you announce via that new provider everyone will be aware it is a path to
you. BGP is quite simple as far as making changes and adds like that.
Now changing your AS.......well, that can get ugly if you have lots of
peers and stuff going on :)
Brian
>
> Thank you
>
> Brett Johnson
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>
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