You can use black-hole routes:<div><br></div><div>static-route <IP>/<mask> black-hole<br><br></div><div>then you can manipulate BGP attributes with a router policy (community, ASN) in the accept statement ... </div>
<br><div class="gmail_quote">On Mon, Dec 13, 2010 at 4:12 PM, Bryan <span dir="ltr"><<a href="mailto:deadheadblues@gmail.com">deadheadblues@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Scott,<br>
<br>
I was referring to the ability to inject specifics that are not in the<br>
routing table. This is available in Cisco IOS.<br>
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On Mon, Dec 13, 2010 at 2:04 PM, Scott Weeks <<a href="mailto:surfer@mauigateway.com">surfer@mauigateway.com</a>> wrote:<br>
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> --- <a href="mailto:deadheadblues@gmail.com">deadheadblues@gmail.com</a> wrote:<br>
> From: Bryan <<a href="mailto:deadheadblues@gmail.com">deadheadblues@gmail.com</a>><br>
><br>
> I dont think this is possible, Cisco has a way of "injecting" more<br>
> specifics, but I dont think ALU does...or at least havent come across<br>
> it.<br>
> -------------------------------------------<br>
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><br>
> Yes, they do. But, if the more specifics aren't in your routing table you can't advertise them to your upstreams. As someone previously mentioned, either the downstream customer announces the more specifics or you create them with a null route. But the null route will show a different origination ASN than the customer's.<br>
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