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LA-Engineer
Beginner

ISSU upgrade of Nexus 9508 impact on OSPF or HSRP?

It is my understanding that if you have dual supervisors, performing a software upgrade using the "software install" command will perform an ISSU upgrade and will be hitless to the dataplane.  My question is, what happens to the control plane such as OSPF adjacencies and HSRP during the upgrade?  For instance, if I perform this upgrade on the HSRP active switch, will there be a failover to my HSRP standby switch?  What will happen to my OSPF adjacencies?

 

Thank you in advance!

1 ACCEPTED SOLUTION

Accepted Solutions
Amit Singh
Cisco Employee

First of all ISSU is not yet supported on 9500 switches.

During the ISSU, all you protocol adjacency remains intact and works in conjunction with NSF/NSR capabilities of routing protocols which is enabled by default.

View solution in original post

2 REPLIES 2
Amit Singh
Cisco Employee

First of all ISSU is not yet supported on 9500 switches.

During the ISSU, all you protocol adjacency remains intact and works in conjunction with NSF/NSR capabilities of routing protocols which is enabled by default.

Thank you.