[isp-bgp] splitting the network and BGP

[Rob Genovesi <rob@...>]

Hi BGP gurus,

have a question for you :

I currently have 2 sites connected together.  The share the same ASN and 
provide redundant connections for each other via different ISPs.


Before:
	--ISP-1 ----SITE-A -------- SITE-B ---- ISP-2 -->


After:
	-- ISP-1----SITE-A               SITE-B ---- ISP-2 -->


My question is, what happens if/when I severe the conneciton between the 
two sites?  Can SITE-B still advertise networks that are provided from 
ISP-1 and vice-versa?  Can the two sites still use the same (public) ASN 
even though there is no direct connection between the two?

We have IP network blocks assigned by ISP-1 but I want to use them 
primarily at SITE-B where there is no direct connection to ISP-1.


Thoughts on this?


thanks,

	Rob Genovesi
	Coastside Net








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