Re: IPv6 ND stateful address autoconfiguration

[Vlad Yasevich <vladislav.yasevich at hp.com>]

Hi Sandeep

Sandeep P A wrote:
> Hi Vlad,
> 
> Thanks for immediate reply.
> What I understood from it is given below. Please confirm the same.  
> 
> Router Discovery fails when no default router is found (NO VALID RA WITH
> NON-ZERO LIFETIME IS RECEIVED).

No, router discovery fails when you don't receive any RAs.

> 
> Host assumes that there is no router in the network for the purpose of
> autoconfiguration and tries to check for stateful ways to get an address for
> itself When NO VALID RA IS RECEIVED.

Yes.

-vlad

> 
> 
> Thanks & Regards,
> Sandeep
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> -----Original Message-----
> From: Vlad Yasevich [mailto:vladislav.yasevich at hp.com] 
> Sent: Friday, December 07, 2007 00:50
> To: Sandeep.P A
> Cc: ipv6 at ietf.org
> Subject: Re: IPv6 ND stateful address autoconfiguration
> 
> Sandeep.P A wrote:
>> Hi,
>>
>> * *
>>
>> *Query :*
>>
>> /If a host sends MAX_RTR_SOLICITATIONS solicitations, and receives 
>> "no/
>>
>> /*Router Advertisements"* after having waited 
>> MAX_RTR_SOLICITATION_DELAY/
>>
>> Here "no *Router Advertisements"** *Is it means, RA with Non-zero 
>> lifetime or RA with zero lifetime ?
>>
> 
> Neither.  It simply means that a Router Advertisement has not been received.
> 
> -vlad
> 


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