07-25-2021 11:00 PM
In my Data Center we have Cisco ISR 4451-X with IOS version 15.5(3)S5 i like to know the EOS dates for the ISO version and which will be the recommended version to upgrade.
07-26-2021 12:06 AM
15.5(3)S5 "translates" to 3.16.5S (release date 30 March 2017).
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE Software Release 3.16S
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