Re: Behaviour and consequences of DAD

2013-10-16 Thread Mathew Newton
On Wed, October 16, 2013 8:29 pm, Ole Troan wrote: > correct. see http://tools.ietf.org/html/rfc4861#section-4.3. > "Target address". Of course! Despite seeing that several times I was (mis)interpreting 'target address' as 'destination address'! Thank you for setting me straight. Mathew

Re: Behaviour and consequences of DAD

2013-10-16 Thread Mathew Newton
Hi Ole, On Wed, October 16, 2013 8:22 pm, Ole Troan wrote: > no, it will only reply if it has that exact address. otherwise it will > drop that packet. Aha. So the tentative address is actually included within the message? Mathew

Re: Behaviour and consequences of DAD

2013-10-16 Thread Ole Troan
Mathew, > Specifically, it is my undertanding that when an node has a tentative > address it wishes to use it sends a neighbour solicitation to the > solicited-node multicast address which is computed using the last 24 bits > of that tentative address. If another node is already listening on that

Re: Behaviour and consequences of DAD

2013-10-16 Thread Ole Troan
Mathew, >> no, it will only reply if it has that exact address. otherwise it will >> drop that packet. > > Aha. So the tentative address is actually included within the message? correct. see http://tools.ietf.org/html/rfc4861#section-4.3. "Target address". cheers, Ole signature.asc Descripti

Re: Behaviour and consequences of DAD

2013-10-16 Thread Mathew Newton
Oops.. On Wed, October 16, 2013 8:11 pm, Mathew Newton wrote: > To me, that therefore means that the effective number of discrete > addresses on a link can only ever be a maximum of 2^24 (65,536). Is that > correct? I do of course mean 16,777,216 but my (theoretical) point and query still stands

Behaviour and consequences of DAD

2013-10-16 Thread Mathew Newton
Hopefully the group won't misconstrue the subject line as being a plea for domestic assistance! I am trying to understand the nuances of how DAD operates, and in particular the consequences of how it appears to work (to me at least). Specifically, it is my undertanding that when an node has a ten