<http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/prod_bulletin09186a00801abfda.html#wp55584>
From Dave Meyer's NANOG 27 presentation: http://www.nanog.org/mtg-0302/hack.html
Not bad - Feb 2003 till April 2004 to code, test and implement a change driven by NANOG :-)
Interesting that it is listed under the Routing enhancements and not under the Security enhancements of 12.3(7)T.
-Hank
