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micahbarsness
Beginner

Nexus 9000 ISSU - done more than once

We have two separate C9348GC-FXP's.

 

Can you do multiple non-disruptive upgrades in a row or is it required to reboot at least once every two upgrades?

 

example: We upgrade from 9.2(4) to 9.3(1) using ISSU non-disruptive. Then next time we upgrade (9.3(1) to 9.3(3)) will we need to perform a disruptive upgrade so that the device reboots?

 

 

3 REPLIES 3
balaji.bandi
VIP Guru

it required reboot each update, every upgrade need reboot to take effect of new version.

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I thought the point of the upgrade using ISSU was so that you didn't have to issue a reboot.

Not sure how you understand ISSU here.

 

Cisco IOS ISSU capability extends Cisco's high availability innovations for minimizing planned downtime.

 

For reference to understand ISSU -

 

https://www.cisco.com/c/en/us/td/docs/ios/12_2sb/feature/guide/sb_issu.html

 

 

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