Thank you marce1000, but I need know if I can upgrade the version from 3.8 to 3.11 with ISSU . I can´t find information about of compatibility.
read the release notes :
This question gets asked every few months.
It is not recommended to perform an upgrade with ISSU or FSU/eFSU because if it does not work, it will fail very spectacularly. Another reason why ISSU or FSU/eFSU is not recommended is because ISSU or FSU/eFSU does not support ROMMON upgrade.
IMPORTANT: Read the Release Notes if the ROMMON needs to be upgraded or not. When in doubt, always upgrade the ROMMON!
A good guide on how to upgrade the switch (in VSS), including ROMMON, can be found HERE.
Here is the compatibility matrix:
You cannot directly jump but can go via multiple jumps.
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