Re: Why do we still need IPv4 when we are migrating to IPv6...

2015-02-13 Thread Steinar H. Gunderson
On Fri, Feb 13, 2015 at 02:12:31PM +, Phil Mayers wrote: > As above, depends on how they're using the socket API. As a rule for > UDP connections, you actually have to put *more* work in to see ICMP > errors. It's certainly possible to ignore them. FWIW, at least on Linux, if you keep doing se

Re: Why do we still need IPv4 when we are migrating to IPv6...

2015-02-11 Thread Steinar H. Gunderson
On Wed, Feb 11, 2015 at 08:42:00PM +, Anfinsen, Ragnar wrote: > I am working with my management team to implement IPv6, but I got an > interesting question from one of the managers; Why do we need more IPv4 if > we are moving towards IPv6? Maybe because the move is going too slowly? Case in

Re: wake on lan / wol with linux in IPv6-LAN (without IPv4)

2014-09-22 Thread Steinar H. Gunderson
On Mon, Sep 22, 2014 at 06:44:11PM +0200, Andrew ? Yourtchenko wrote: > The standards' purpose is to facilitate the interoperability. > > "MLD snooping" happens within a single device. What about the interaction between switches and the machines? All interoperability is not about inter-switch/-r

Re: Something with filters

2014-08-28 Thread Steinar H. Gunderson
On Thu, Aug 28, 2014 at 04:31:22PM +0200, Enno Rey wrote: > to be honest, as another security person, I'm not really sure about the > benefit of uRPF in the IPv6 world, in some scenarios. > imagine a single infected smartphone on LTE, generating connections with > potentially 2^64 different source

Re: IPv6 Policy based routing?

2013-04-19 Thread Steinar H. Gunderson
2013/4/19 Dick Visser : > Cisco says it's not supported on any platform. I'm fairly certain I've done this on 2901. /* Steinar */ -- Software Engineer, Google Switzerland