Regular expression

From: Kohli, Harbir (harbir.kohli@bellnexxia.com)
Date: Sun Sep 01 2002 - 23:56:20 GMT-3

Hi,

I have the following topology:

As100 - As200 - AS300
                                Path A to - AS400
                                Path B to AS400

I want to have all routes that originate in AS 200 to come in via Path A and

If they do not originate in AS 200 to come in via Path B.

The following gives me all routes that originate in AS 200
        Ip as-path access-list 1 _200$

But what regular expression would give me all routes that did not originate
in AS 200? ( I do not want to include its clients like AS 100)

Thanks

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