Re: WG last call for draft-ietf-l2tpext-failover-05.txt

Carlos,

The 'MUST terminate' in the section 2.2.1 you referred to is therefore recovery
tunnel. I think we should clarify this. I will update the section with the
same.

thanks,
-- vipin


--- Carlos Pignataro <[email protected]> wrote:

> 
> 
> Circa 9/2/2005 4:31 AM, Vipin Jain said the following:
> > Carlos,
> > 
> > I'll skip the comments we agree upon. One quick comment below:
> > 
> > 
> >>This is the scenario I meant: LCCE receives an SCCRQ containing the
> >>Tunnel Recovery AVP. That means that the remote LCCE is establishing a
> >>recovery tunnel. The Recover Tunnel Id and Recover Remote Tunnel Id in
> >>the AVP identify an old tunnel for which the remote LCCE had not
> >>previously included Failover Capability AVP upon establishment.
> >>Shouldn't the recovery tunnel be torn down in that case?
> > 
> > Upon receiving SCCRQ with Tunnel Recovery AVP in a recovery tunnel, an
> endpoint
> > should never tear down the old tunnel. Because unless the recovery tunnel
> is
> > fully established the authentication process isn't really complete.
> Therefore,
> > even if an endpoint didn't send Failover Capability AVP in the old tunnel,
> to
> > teardown the tunnel Recovery Tunnel must be established. Given that we must
> > establish the recovery tunnel even if an endpoing doesn't support failover
> I'd
> > suggest an endpoing indicates that it supports failover and upon
> establishment
> > of recovery tunnel, it tears down the old tunnel.
> 
> Vipin,
> 
> I suspect part of the confusion may come from interpreting the following
> text:
> <t>
> It MUST terminate the tunnel if:
>          - Non failed endpoint did not indicate it was failover capable.
> </t>
> Where it says `MUST terminate the tunnel', is it referring to the old
> tunnel or the recovery tunnel that must be terminated?
> 
> Thanks,
> 
> --Carlos.
> 
> > 
> > thanks,
> > -- vipin
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > __________________________________________________
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> 
> -- 
> --Carlos.
> Escalation RTP - cisco Systems
> 
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