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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m looking for examples on what people have implemented as ingress filtering for IPv6 prefixes in an BGP environment. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m would like to get some sort of filter that will not require daily maintenance based on assigned prefixes by the RIR. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m leaning towards having some sort of filtering based on: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Drop anything from bogon list<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>allow RIR PA space – between /12 - /35 <o:p></o:p></p><p class=MsoNormal>Allow RIR PI space between /32 - /48. (For instance for the RIPE 2001:67c::/32 & 2001:7f8::/32 parts ) <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>So basically, a bit more strict filter than allow 2003::/3 and not having to update it daily with each assignment made <span style='font-family:Wingdings'>J</span> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Also some insight in why you have selected to filter on a specific prefix length is very helpful. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Erik Bais<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>