ipv6 bogon / martian filter - simple

George, Wes E IV [NTK] Wesley.E.George at sprint.com
Tue Jun 15 12:23:32 UTC 2010

This would be another alternative:

Slightly more than 1 line, but the loose case would nuke a few more things than just filtering on 2000::/3 without requiring frequent updates. The strict case requires keeping after it for updates, and you'd probably be better off with Cymru.

Wes George

-----Original Message-----
From: Brandon Applegate [mailto:brandon at burn.net]
Sent: Monday, June 14, 2010 7:38 PM
To: nanog at nanog.org
Subject: ipv6 bogon / martian filter - simple

I mean really simple.  Like 2000::/3.  If it's not in there it's bogon,
yes ?

What I'm really asking, is for folks thoughts on using this - is it too
restrictive ?

How long until it's obsolete ?

Should be a really long time no ?

Again, just looking for some feedback either way.  Would be very nice to
have a single line ACL do this job.

Brandon Applegate - CCIE 10273
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