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

[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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