Even i am interested in knowing the exact issue with using IGPs? What is the most common CE-PE route exchange behaviour now ... Static routes OR IGP OR BGP?? Dave, are you referring the CE loopback address also to be local? cheers, Elwin. --- Alex Mondrus <alex.mondrus@ipoptical.com> wrote:

Dave

I also like the RFC2547bis.

I would like to learn more about your painful experience with IGP in this context. Please elaborate a little bit more on this subject -> Dave Israel wrote "Besides, in at least one major current implementation, your IGP options are painfully limited."

http://www.ipoptical.com

Thanks in advance, Alex

-----Original Message----- From: Dave Israel [mailto:davei@biohazard.demon.digex.net] Sent: Friday, May 18, 2001 5:45 PM To: Elwin Eliazer Cc: nanog@merit.edu Subject: Re: A question on CE to PE route exchanges ...

On 5/18/2001 at 14:13:53 -0700, Elwin Eliazer said:

...

Hi,

RFC2547bis suggests the use of EBGP between CE and PE routers; Is this a preferable model for service providers and enterprise customers, when compared to using IGP?

Yes. BGP is designed for network borders. Besides, in at least one major current implementation, your IGP options are painfully limited.

...

Are there anyone who have deployed this? If so, how is the EBGP peering setup if the CE router is with a local (VPN) IP address?

The BGP session lives in VPN space, the routes only exist in VPN routing tables. Your CE having a VPN address is really just the natural solution.

-Dave

===== ------- Elwin Stelzer Eliazer Corona Networks ------- __________________________________________________ Do You Yahoo!? Yahoo! Auctions - buy the things you want at great prices http://auctions.yahoo.com/