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Re: [VRRP] 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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