09-14-2022 07:28 AM
Hello ,
We have isr 4331 (ios version: 3.16.04b.s ) and we have to upgrade it to 17.06.03a
please what is the upgrade path from 3.16 to 17.06 ?
thank you in advance
09-14-2022 08:11 AM
DIRECT upgrade from 3.X.X to 17.6.X is supported.
Cisco ISR & ASR 1k Routers: IOS-XE/Firmware Upgrade (Install Mode)
09-14-2022 08:15 AM
Thank you Leo
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