[AusNOG] Telstra IPv6 Wireless Enablement - IPv6 Single Stack

[JORDI PALET MARTINEZ]

That’s wrong, even if some folks do.

 

If you filter 2002::/16, peer to peer that still uses 6to4 get broken -> more calls to the help desk.

 

The only that IETF did is to deprecate 6to4 anycast (RFC7526), so only the IPv4 anycast prefix is not anymore working. Maybe the right thing to filter is then 192.88.99.1.

 

This is the relevant text:

4.  Deprecation

 

 

   This document formally deprecates the anycast 6to4 transition

   mechanism defined in [RFC3068] and the associated anycast IPv4

   address 192.88.99.1.  It is no longer considered to be a useful

   service of last resort.

 

   The prefix 192.88.99.0/24 MUST NOT be reassigned for other use except

   by a future IETF Standards Action.

 

   The basic unicast 6to4 mechanism defined in [RFC3056] and the

   associated 6to4 IPv6 prefix 2002::/16 are not deprecated.  The

   default address selection rules specified in [RFC6724] are not

   modified.

 

   In the absence of 6to4 anycast, "6to4 Provider Managed Tunnels"

   [RFC6732] will no longer be necessary, so they are also deprecated by

   this document.

 

 

 

 

Regards,

Jordi

@jordipalet

 

 

 

El 6/2/20 11:47, "AusNOG en nombre de Noel Butler" <ausnog-bounces at lists.ausnog.net en nombre de noel.butler at ausics.net> escribió:

 

I hope you have a lot of peering points in USA, with Cogent's long time refusal to peer with HE causing a  lot of dead-end paths :)

and that 2002::/16 is blocked by a lot of networks for waaaayyy too much abuse in the past.

Has it been cleaned up?

On 06/02/2020 14:27, Russell Langton wrote:


 *
- If your website/content/other is advertising a AAAA Ipv6 DNS record,             
   => This may cause problems if your website is not 100% Ipv6

 

 

-- 

Kind Regards,

Noel Butler

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