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Date: Sat, 7 Feb 2009 16:59:16 +0100 (CET) From: Mikael Abrahamsson <swmike@swm.pp.se> To: nanog@nanog.org In-Reply-To: <20090207.164346.41698438.sthaug@nethelp.no> Errors-To: nanog-bounces@nanog.org On Sat, 7 Feb 2009, sthaug@nethelp.no wrote: > This does not seem to be generally true: > > - For the routers I am most familiar with (Juniper M/MX), you need to > explicitly turn on router advertisement to make the router perform this. > I.e. it is perfectly possible to have an interface with an IPv6 address > which does *not* send RAs. Cisco routers do send RA by default as soon as IPv6 is enabled on the interface. > - For the operating system I am most familiar with (FreeBSD), RAs are > *not* accepted by default if the interface in question is configured > with a static IPv6 address. Linux (at least Debian/Ubuntu kernels) will accept RAs by default even if you set a static IPv6 address. To stop it you have to do: sysctl net.ipv6.conf.eth0.accept_ra=0 -- Mikael Abrahamsson email: swmike@swm.pp.se
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