On Tue, 18 Nov 2008, Jeroen Massar wrote:
Check: http://www.space.net/~gert/RIPE/ipv6-filters.html for a list of suggested filter expressions that cover all of these correctly.
Unfortunately, the JunOS version of the strict filter is blocking /32's from APNIC region as well. The offending lines are: route-filter 2001::/16 prefix-length-range /19-/32; ... route-filter 2001:0c00::/23 prefix-length-range /48-/48; This is because Juniper uses longest prefix matching in route filters (maybe this is different in cisco, I don't know): https://www.juniper.net/techpubs/software/junos/junos92/swconfig-policy/how-... As a result, this will end up rejecting legitimate prefixes such as 2001:c00::/32 because then only /48's are accepted from that range. Unfortunately, I don't know which blocks APNIC has set aside from 2001:0c00::/23 for /48 assignments; based on their web pages, they have policies for at least multihoming, IXs and critical infrastructure. But I couldn't find info which block these are from. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings