Yes, that's because of TBAR.

2012/3/19 Joe Astorino <[email protected]>

> Thanks for the confirmation.  Regarding the 2 hour rekey, isn't that
> due to TBAR being configured? If so, isn't that not on by default?
>
> On Mon, Mar 19, 2012 at 1:49 PM, Piotr Matusiak <[email protected]> wrote:
> > Correct!
> > To add something useful to that post, just want to say that even you
> > configure TEK lifetime of 24h, the rekey will trigger every 2h. This is
> > because there is pseudo-time delivered/sync between KS and GMs. The TEK
> does
> > not change every 2 hours tho.
> >
> >
> >
> > 2012/3/19 Joe Astorino <[email protected]>
> >>
> >> I think I figured it out after doing some more reading.  I am pretty
> >> certain that the TEK lifetime is the same thing as the IPSEC SA
> >> lifetime configured under the IPSEC profile, but the rekey configured
> >> under the GDOI configuration is actually just for the KEK lifetime.
> >> Correct me if I am wrong please and thank you!
> >>
> >> On Mon, Mar 19, 2012 at 10:20 AM, Joe Astorino
> >> <[email protected]> wrote:
> >> > Hello,
> >> >
> >> > My current understanding is that the TEK pushed down to GMs in GETVPN
> >> > is based on the IPSEC transform-set / profile configured on the KS.
> >> > Under the IPSEC profile we can set the SA lifetime in seconds.  At the
> >> > same time, we can set the rekey time in seconds under the GDOI
> >> > configuration.  I am a little confused on this topic because to me on
> >> > the surface it seems like the same thing.  What is the difference
> >> > between the IPSEC SA lifetime and the rekey lifetime?
> >> >
> >> > I get that after x amount of time the SA keys need refreshed.  Is that
> >> > after the SA lifetime expires, or after the rekey time expires?
> >> >
> >> > --
> >> > Regards,
> >> >
> >> > Joe Astorino
> >> > CCIE #24347
> >> > http://astorinonetworks.com
> >> >
> >> > "He not busy being born is busy dying" - Dylan
> >>
> >>
> >>
> >> --
> >> Regards,
> >>
> >> Joe Astorino
> >> CCIE #24347
> >> http://astorinonetworks.com
> >>
> >> "He not busy being born is busy dying" - Dylan
> >> _______________________________________________
> >> For more information regarding industry leading CCIE Lab training,
> please
> >> visit www.ipexpert.com
> >>
> >> Are you a CCNP or CCIE and looking for a job? Check out
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> >
> >
>
>
>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan
>
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