[c-nsp] ISSU on nexus 5k with vPC/lacp

Xavier Nicollet xnicollet at gmail.com
Thu Feb 18 18:15:04 EST 2016


we are about to upgrade a couple of nexus 5k switches, with fabric
extenders, plain simple ethernet connections and also most servers double
attached with a lacp port.

I am not sure how lacp will react: we haven't put our servers in "slow
According to cisco documentation:
  ``Note that a Fast LACP timers (hello=1 sec, dead=3 sec) are not
supported with a nondisruptive ISSU.''

According to this post:
http://www.networking-forum.com/viewtopic.php?f=33&p=272430 upgrading
should be seemless.

What will happen during the ISSU upgrade on dual attached servers? (vpc)
What will happen on simple ethernet interfaces?

Can anyone share about his experience upgrading NX-OS?

Many thanks,

Xavier Nicollet

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