[AusNOG] FW: [Ap-ipv6tf] official shutdown date for IPv4. The date he is pushing for is April 4, 2024. "IPv4 can't go on forever, " Latour said. "

[Mark ZZZ Smith]

Violates specs and isn't scalable, likely to overload control plane.




----- Original Message -----
> From: "Beeson, Ayden" <ABeeson at csu.edu.au>
> To: 'Paul Gear' <ausnog at libertysys.com.au>; "'ausnog at lists.ausnog.net'" <ausnog at lists.ausnog.net>
> Cc: 
> Sent: Thursday, 6 November 2014, 16:22
> Subject: Re: [AusNOG] FW: [Ap-ipv6tf] official shutdown date for IPv4. The date he is pushing for is April 4, 2024. "IPv4 can't go on forever, " Latour said. "
> 
> It is a good question, if anybody here has tried it at scale I'd like to 
> know as well.
> 
> I've spent long enough around all sorts of client device support issues to 
> know the results are likely to vary wildly, especially with the relatively new 
> support for IPv6 most devices have.
> 
> Thanks,
> Ayden Beeson
> 
> -----Original Message-----
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Paul Gear
> Sent: Thursday, 6 November 2014 4:19 PM
> To: ausnog at lists.ausnog.net
> Subject: Re: [AusNOG] FW: [Ap-ipv6tf] official shutdown date for IPv4. The date 
> he is pushing for is April 4, 2024. "IPv4 can't go on forever, " 
> Latour said. "
> 
> Nice little lab test, but I'd like to see some more real-world examples.  
> I'm curious to know how many clients will actually honour that 1 second RA 
> lifetime and/or what sort of load or other symptoms it might create.  It also 
> means troubleshooting routing tables on every client rather than on the first 
> hop gateways.
> 
> Paul
> 
> On 06/11/14 15:01, Beeson, Ayden wrote:
>>  If I'm understanding the question correctly, this might answer that 
> question:
>>  http://packetlife.net/blog/2011/apr/18/ipv6-neighbor-discovery-high-av
>>  ailability/
>> 
>>  Thanks,
>>  Ayden Beeson
>> 
>>  -----Original Message-----
>>  From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of
>>  James Andrewartha
>>  Sent: Thursday, 6 November 2014 3:39 PM
>>  To: Mark Andrews
>>  Cc: ausnog at lists.ausnog.net
>>  Subject: Re: [AusNOG] FW: [Ap-ipv6tf] official shutdown date for IPv4. The 
> date he is pushing for is April 4, 2024. "IPv4 can't go on forever, 
> " Latour said. "
>> 
>>  On Thu, 6 Nov 2014, Mark Andrews wrote:
>> 
>>>  There is nothing preventing the router sending out revised
>>>  advertisements the moment loss of connectivity is detected.
>>>  Similarly when it is restored.  Just because the normal state is to
>>>  send these every 30 minutes doesn't mean that they are not sent
>>>  sooner.  Remember they are also sent in response to a router
>>>  solicitation whenever a new node connects to the network.
>>  The default announcement interval is 10 minutes, the
>>  AdvDefaultLifetime is
>>  3 * that, ie 30 minutes. Is there an RA packet that withdraws an existing 
> route? Again, I ask if you've actually tried this in practice.
> 
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