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How to Replace a Node in a SummitStack

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TitleHow to Replace a Node in a SummitStack
How to replace a node in a SummitStack
  • SummitStack
  • EXOS All
  • Confirm replacement node is running same software version on the same partition as existing stack.
show switch
  • Confirm license level are the same on the replacement and existing stack nodes.
show license
  • Rack replacement node, plug in stacking cables and power.
  • Type show stacking on master of existing stack and confirm replacement node is seen in stack topology.
  • If not seen, type show stacking detail confirm existing stack nodes and replacement nodes are using the same stacking protocol (ie. standard or enhanced).
  • Change stacking protocol on replacement node if needed.
configure stacking protocol <enhanced/standard>
  • Confirm replacement node is now seen in stack topology.
show stacking
  • On Master configure the new switch slot number.
configure stacking node-address <mac address of replacement node> slot <#>
  • If this is to be master capable, on the master use the below command.
configure stacking node-address <mac address of replacement node> master-capability on
  • On Master synchronize stacking with the replacement node.
synchronize stacking node-address <mac-address of replacement node>.
  • On Master reboot the replacement slot.
reboot node-address <mac-address of replacement node>
Additional notes
As long as the EXOS image, partition, license, and stacking protocol match, the new switch can be connected to the existing stack, and the stacking config can be done from the Master.

The only additional change that may need to be done first is enabling stacking-support on any hardware that can be used for either stacking or user traffic (e.g., VIM4-40G4q on the X670V). This would need to be done first, before the switch can communicate with the rest of the stack.

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