07-01-2019 08:02 PM
I have one router CISCO7609-S his version is 15.2(4)S2 I want to do upgrade to 15.5(3)S7 How can I do it?
07-01-2019 10:46 PM
its quire old kit and it is end of sale and end of support.
you can upgrade to 15.5.x please read the requirement and release notes before upgrade.
https://www.cisco.com/c/en/us/td/docs/ios/15_5s/release/notes/15_5s_rel_notes/15_5s_rn_sys_req.html
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