dhcpcd-discuss

On 2017/04/21 14:25, Roy Marples wrote:
> Hi Stuart
> 
> On 21/04/2017 13:48, Stuart Henderson wrote:
> > Unless I misunderstand the problem I think this may have been fixed
> > in -current (as of sys/netinet6/in6.c r1.201, committed this week).
> 
> It's easy to test.
> Here is the issue on OpenBSD dhcpcd tries to work-around (present in
> OpenBSD-6.1)
> 
> for x in 1 2 3 4 5; do \
> 	ifconfig xnf0 inet6 alias fd73:79::1/64 vltime 128 pltime 120;\
> 	ifconfig xnf0 | grep inet6; \
> 	sleep 5; \
> done
> 
>         inet6 fd73:79::1 prefixlen 64 tentative pltime 120 vltime 128
>         inet6 fd73:79::1 prefixlen 64 pltime 115 vltime 123
>         inet6 fd73:79::1 prefixlen 64 pltime 110 vltime 118
>         inet6 fd73:79::1 prefixlen 64 pltime 105 vltime 113
>         inet6 fd73:79::1 prefixlen 64 pltime 100 vltime 108
> 
> As you can see, the vltime and pltime are not updated, so no matter what
> userland does the address will always expire as will any associated route.
> 
> Can you test this on OpenBSD -current and report back?

Yes, that's exactly what Florian's commit fixes.

        inet6 fd73:79::1 prefixlen 64 tentative pltime 120 vltime 128
        inet6 fd73:79::1 prefixlen 64 pltime 120 vltime 128
        inet6 fd73:79::1 prefixlen 64 pltime 120 vltime 128
        inet6 fd73:79::1 prefixlen 64 pltime 120 vltime 128
        inet6 fd73:79::1 prefixlen 64 pltime 120 vltime 128