Re: why link-local address for ipv6 VRRP

G. C. ??:
> Hi Huafeng,
> 
> Based on my understanding of the draft, we allow the configuration of 
> global addresses too.
> 
> In the VRRP Advertisement packet, the draft states that the first 
> address must be link-local.  The other addresses can be global addresses.
> 
> Regards,
> Georges Chung

Thanks Georges. In other words, among the "IPvX addresses associated 
with the virtual router", at least one must be link-local, right? If so, 
why do we have to have a link-local virtual router address? (I think the 
all the "IPvX addresses associated with the virtual router" are the 
virtual addresses of the virtual router, and these virtual addresses are 
to be protected by VRRP, right?)

Thanks.
--
Huafeng

> On Wed, Jul 2, 2008 at 6:01 AM, Huafeng Lu <Huafeng.Lv <at> sun.com 
> <mailto:Huafeng.Lv <at> sun.com>> wrote:
> 
> 
>     Hi, VRRPers,
> 
>     I'm new to this mail list...
> 
>     While reading draft-ietf-vrrp-unified-spec-02, I found the virtual IPv6
>     address to be covered by the virtual router should be a link-local
>     address. On the VRRP routers that compose the virtual router, the
>     addresses used to send VRRP advertisements are also link-local. Is there
>     a reason to require link-local addresses? What's the possibility of
>     extending this to global addresses?
> 
>     Thanks.
>     --
>     Huafeng
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> 

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