IPV6 Duplicate Address Detection(DAD)

Hi All,

  Would like to confirm about the IPV6 Duplicate Address Detection(DAD), DAD
would detect duplicate addresses ,if exist for both link local address and
global ipv6 unique address on a link.Is that right ?..If so,in the below
show output,if it mentions ipv6 is stalled,I am understanding that a
duplicate link local address is been detected on the link and ipv6
processing on the interface is disabled.Please correct me if I am wrong on
this.

My question is ,if DAD detects duplicate address on the global ipv6 address
on the link,does that also will lead to stalled interface,if so,how we can
distinguish between link local and global ipv6 duplicate address detection.

Kindly help me to understand the above.

Router# show ipv6 interface ethernet 0
Ethernet0 is up, line protocol is up
  *IPv6 is stalled*, link-local address is FE80::1

Thank you very much for the help

Regards
Anantha Subramanian Natarajan

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Received on Thu Sep 17 2009 - 22:00:01 ART