Customer has a Cat6500, with sup(Msfc)card. Actual installed cat sw 5.3(3.5),ios 12.1-1.E, boot same vers.:c6msfc-boot-mz.121-1_E.bin.
He want upgrade to ios 12.1-12c-E2. Do he has to upgrade cat sw and boot vers as well ? Where can I find infos of relation about cat sw vers and 'router' (MSFC) ios version?
