From: James (james@towardex.com)
Date: Sun Jul 11 2004 - 21:45:14 GMT-3
> It seems like ^4_[0-9]?$ would be what we should use to get "Only Networks
> Originated from AS 4, and ASs Directly Attached to AS 4" No?
I believe ^4_[0-9]*$ should do your needs..
>
>
> So what do you guys think? Am I over thinking this? Yes ^4_[0-9]*$ will get
> you what you want but it seems like, you'll also get more then AS 4 and it's
> directly attached networks.
Hmm..? This seems to do it just fine. _[0-9]* means either match one more asn
after 4, or match nothing after 4. I know it's a bit confusing :)
output of.. sh ip bgp reg _701_[0-9]*$
*> 6.1.0.0/16 63.239.36.245 1923 100 0 209 701 668 i
*> 6.2.0.0/22 63.239.36.245 1923 100 0 209 701 668 i
*> 6.3.0.0/18 63.239.36.245 1923 100 0 209 701 668 i
*> 6.4.0.0/16 63.239.36.245 1923 100 0 209 701 668 i
*> 6.5.0.0/19 63.239.36.245 1923 100 0 209 701 668 i
*> 6.8.0.0/20 63.239.36.245 1923 100 0 209 701 668 i
*> 6.9.0.0/20 63.239.36.245 1923 100 0 209 701 668 i
*> 6.10.0.0/15 63.239.36.245 1923 100 0 209 701 668 i
*> 6.14.0.0/15 63.239.36.245 1923 100 0 209 701 668 i
*> 12.0.17.0/24 63.239.36.245 1923 100 0 209 701 26990 i
*> 12.1.235.0/24 63.239.36.245 1923 100 0 209 701 15184 i
*> 12.3.54.0/24 63.239.36.245 1923 100 0 209 701 25938 i
*> 12.3.80.0/22 63.239.36.245 1923 100 0 209 701 10998 i
*> 12.3.217.0/24 63.239.36.245 1923 100 0 209 701 16666 i
etc etc etc...
>
> You know if I had the choice of Cisco improving on any one thing - this
> would be it. There's got to be an easier way to catch this mouse.
JUNOS as-path matching is a heck of a lot easier..
-J
>
> Thanks in advance!
>
> Joe
>
> [GroupStudy removed an attachment of type application/ms-tnef which had a name of winmail.dat]
>
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-- James Jun TowardEX Technologies, Inc. Technical Lead Network Design, Consulting, IT Outsourcing james@towardex.com Boston-based Colocation & Bandwidth Services cell: 1(978)-394-2867 web: http://www.towardex.com , noc: www.twdx.net
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