Re: ND (NUD) on ISATAP links

Karen,

It sounds like you are satisfied for the most part by the responses?
Pending further discussion with the ISATAP co-authors, we will take
this under consideration for the next ISATAP draft version.

Fred
[email protected]

Karen E Nielsen (TED) wrote:
>>Consider a behavior of an ISATAP host that connects to multiple
>>ISATAP router and is attempting to establish a connection
>>to an IPv6 native address.
>>
>>I can see NUD being performed to the ISATAP router and
>>if NUD proves the router unreachable (IPv6 address of
>>the router is not reachable), another router may be tried.
>>
>>This is the case where I see NUD being usefull in the ISATAP
>>environment.  You are right that it is not very usefull between
>>2 ISATAP hosts.
>>
>>-vlad
>>
>>
> 
> I agree that this works. 
> 
> If the prime object by requirering NUD on ISATAP links is to 
> require ISATAP host to perform NUD on their default ISATAP router. 
> Then this should be clarified in the draft, I think.
> 
> (Another way to obtain reachability 
> confirmation in this particular case 
> would be for the host to
> perform the RS/RA exchange with its default 
> router frequently enough. 
> But the recommended 15 min's interval in
> between RS/RA exchanges would 
> then of course
> probably not suffice)
> 
> Karen