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Firmware Upgrade A9500 with irf

Lancillotto
Occasional Visitor

Firmware Upgrade A9500 with irf

Hi, i have two chassis A9500 each with 2 supervisor LSR1SRP2C2.

 

I need to upgrade the switches from version 1233P01 to version 1828 with the minimal downtime.

 

I've already copied the new firmware in the flash memory of the four supervisor.

 

What is the best procedure for the upgrade?

 

Thanks for the help