[j-nsp] M20 fpc issue

Chris Cappuccio chris at nmedia.net
Sat Oct 18 22:06:45 EDT 2014


Joe Freeman [joe at netbyjoe.com] wrote:
> I started with a 10.0 train with the same symptoms.
> 

Your problem is simple, you have FPC and not the "enhanced" FPC

FPC 0            REV 01   710-011153   CN8988            E-FPC

I'm pretty sure you need JunOS 8.x for the old FPC. 9.x might work too, but 10+ definitely does _not_ work.

You may also be able to get it working by adding larger DRAM/SDRAM to it. (At least you can make that work with some of the other older cards like the SSB and newer JunOS, instead of using an SSB-E).

Beware, the non-E FPC doesn't support some "newer" PICs.

FWIW I still have a dozen M20s in production because the hardware and software is simply rock-solid... But I use all SSB-E-16 and FPC-E because they are almost free on the used market anymore. This stuff all sells at scrap value due to its power consumption.

Chris


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