[j-nsp] 32-Bit JunOS on the 64-Bit Routing Engines

[Keegan Holley]

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> As Robert pointed out,  32/64 bit use the same codebase and at the current
> point in time only the kernel is enabled to handle the additional memory.
>  Therefore some of the memory maps/footprints changed slightly. No other
> daemons have moved to 64bit.
>

They are saying that the new 16G RE's can handle 250M routes.  How is this
possible if none of the daemons are 64bit?

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> > ------ Weitergeleitete Nachricht
> > Von: Thomas Eichhorn <te at te3networks.de>
> > Datum: Wed, 24 Aug 2011 13:27:14 +0100
> > An: Keegan Holley <keegan.holley at sungard.com>
> > Cc: <juniper-nsp at puck.nether.net>
> > Betreff: Re: [j-nsp] 32-Bit JunOS on the 64-Bit Routing Engines
> >
> > Yeah, that is clear - my original point is:
> >
> > I do not trust the 64bit software - I have more faith in the 32bit
> software.
> >
> > As per now, it has equal cost to order an MX960 with 32b-4G-RE or
> > 64b-16G-RE.
> >
> > So of course I would order the bigger RE but only if I can use the
> > the matured software...
> >
> > Tom
> >
> >
> > Am 24.08.2011 14:19, schrieb Keegan Holley:
> > > Interestingly enough my SE told us this is possible at lease on our
> Mx480 and MX960 boxes. Our lab boxes are otherwise engaged at the moment so
> we havent tested. One note regarding general computing though.  The
> processor can only address 4G (3.8 or so actually) of ram with a 32 bit word
> size.  So even if you get the re's running the 32 bit code they will only
> register 4G of the precious 16G.
> > >
> > > Sent from my iPhone
> > >
> > > On Aug 24, 2011, at 3:12 AM, Thomas Eichhorn<te at te3networks.de>
>  wrote:
> > >
> > >> Hi all,
> > >>
> > >> I just discussed the following with my SE:
> > >>
> > >> I wanted to get new 64Bit REs with some new gear,
> > >> but run the 32-Bit JunOS on them - he denied that
> > >> this is possible.
> > >>
> > >> I tried to research that, but have not yet found
> > >> something in the docs - does anybody here have some clue
> > >> about that?
> > >>
> > >> As the REs are 'only' standard PCs, I do not see any reason
> > >> for them to be not capable of running 'legacy' 32Bit JunOS.
> > >>
> > >> I would be really glad if someone has some clue about that and
> > >> could unearth the truth.
> > >>
> > >> Thanks,
> > >> Tom
> > >> _______________________________________________
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> > >> https://puck.nether.net/mailman/listinfo/juniper-nsp
> > >>
> >
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> >
> > ------ Ende der weitergeleiteten Nachricht
>
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