05-24-2011 09:59 PM - edited 05-24-2011 10:01 PM
The correct JUNOS 10.3R2 image name for EX is jinstall-ex-4200-10.3R2.11-domestic-signed-tgz, not junos-10.3R2.11.tgz, and you can download it from here (if you have access):
Please always download correct JUNOS software for Your platform from official Juniper website
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05-25-2011 12:37 AM
It might be that you are trying to upgrade from a rather old release. In the Junos 10.0 release notes it mentions that you need to have a release of at least the following or higher.
- 9.5R1 or later
05-25-2011 08:11 AM
Thanks for the reply - however, it currently is at 10.0r2.10. I suppose I could attempt upgrading to another higher release before going to 10.3. But still, I wouldn't think that would be necessary.