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Re: IPv6 Prefix Policy
- From: Jeroen Massar
- Date: Thu Jul 03 12:53:03 2008
Leo Bicknell wrote:
In a message written on Thu, Jul 03, 2008 at 04:55:37PM +0200, Jeroen Massar wrote:
In general though, ASNs are following:
http://www.space.net/~gert/RIPE/ipv6-filters.html
I don't know how common the strict/non-strict case is though, but
looking at GRH (http://www.sixxs.net/tools/grh/) it seems that most
ASN's are properly filtering, thus using the strict model.
The strict filter is still broken in at least one way.
Then mail Gert Doering about it, if he doesn't know he can't update it ;)
ipv6 prefix-list ipv6-ebgp-strict permit 2001:500::/30 ge 48 le 48
http://www.arin.net/reference/micro_allocations.html
Note that there are /45's, /46's, /47's and /48's right now. The
filter allows only /48's. Of note, this will break access to the
F-Root name server, we announce it from both a /47 and a /48 (local
peers only) in IPv6.
I believe there are other issues with the strict filter, but don't have
the time to track them down right now.
If you have them, please pass them on to Gert and possibly also spam
ipv6-ops.
Greets,
Jeroen
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