[12514] in North American Network Operators' Group
Re: Traffic Engineering (fwd)
daemon@ATHENA.MIT.EDU (John W Stewart III)
Thu Sep 18 18:13:29 1997
Date: Thu, 18 Sep 1997 14:36:03 -0700
To: "John G. Scudder" <jgs@ieng.com>, smd@clock.org (Sean M. Doran)
From: John W Stewart III <jstewart@juniper.net>
Cc: nanog@merit.edu
In-Reply-To: <199709182103.RAA08988@syzygy.ieng.com>
>This isn't quite correct (though it's peripheral to your main
>argument). An EBGP speaker is free to advertise routes containing
>9999 to 9999. Furthermore, 9999 is free to accept routes containing
>9999. Whether 9999 chooses to do this or not is, as the saying
>goes, "purely a local matter." Likewise whether 9999's peers choose
>to refrain from sending such routes.
>
>Some BGP implementations, gated for one, may be configured to accept
>routes with the router's own AS number in the path. Loop suppression
>is still provided by limiting the number of times it may appear.
>(Hi, Dennis.)
>
>This is actually useful in some circumstances.
serious question: what circumstances?
/jws