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Switch log collection fails after SSH cipher update

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ontap-9
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core
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Applies to

  • NetApp AFF-A800
  • ONTAP 9 Cluster Mode
  • Cisco cluster network switches

Issue

  • After updating SSH cipher suites on cluster network switches, periodic and support log collection from one switch (sgp0nas01cs-sw1) fails with the error:
sgp0nas01cs::> system cluster-switch-log show
         Periodic      Periodic        Support
Switch    Log      Enabled   Log   State   Log State
---------------------------------------------------------------
sw1       true        failed           failed
sw2       true        scheduled        completed
2 entries were displayed.
cluster::> system cluster-switch-log show-instance
SwitchName: sw1
PeriodicLogEnabled: true
PeriodicLogStatus: Failure in setup process: switch password error
SupportLogRequested: false
SupportLogStatus: Failure in setup process: switch password error
The problem started immediately after an SSH Cipher Suite update.
The second switch (sw2) continues to work as expected.
Reverting the SSH cipher configuration on sw1 to the previous/default settings temporarily restores log collection.
  • The problem started immediately after an SSH Cipher Suite update.
  • The second switch (sw2) continues to work as expected.
  • Reverting the SSH cipher configuration on sw1 to the previous/default settings temporarily restores log collection.

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