[j-nsp] Link local address errors when committing VRRP for inet6

[Morgan McLean]

Is anybody able to explain the purpose of the link local address?

Tore, interesting....what device? Wonder why they changed the requirement.

Morgan


On Fri, Jun 21, 2013 at 6:11 AM, Chuck Anderson <cra at wpi.edu> wrote:

> On Thu, Jun 20, 2013 at 05:22:46PM -0700, Morgan McLean wrote:
> > I ended up setting virtual-link-local-address fe80::1 and an interface
> > using fe80::0/10, which I guess is the link local designed range so I
> found
> > after more googling.
>
> Actually, you should use /64 not /10.  While the whole /10 is reserved
> by the RFCs, only /64 is defined for actual link-local usage.  I've
> found that some hosts have problems communicating with link-locals in
> other parts of fe80::/10 outside fe80::/64.
>
> I usually just define link locals with the subnet-id parts of the
> gloabl IPv6 addresses shifted over to the right as the interface-id
> part to maintain the fe80::/64 prefix.  For example
> 2001:db8:f00d:cafe::1/64 would have fe80::db8:f00d:cafe:1/64 as the
> corresponding link-local.  Note that the double-colon moves to just
> after the fe80.
>



-- 
Thanks,
Morgan