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How to upgrade EXOS on a Summit Stack

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TitleHow to upgrade EXOS on a Summit Stack
Objective
How to upgrade EXOS on a Summit Stack
Environment
  • EXOS All
  • SummitStack
Procedure
  1. Login to the master node of the stack.
  2. Verify that each node are running off the same partition:
    1. telnet slot <slot number>
    2. Type "show switch" to verify what partition is running on that particular slot.
    3. Repeat steps a and b until all nodes have been checked.
  3. Download the appropriate EXOS image.
    1. How to Obtain and download EXOS
  4. Place the EXOS image on a TFTP server.
    1. How to install a TFTP server in Windows
  5. Ensure that you are able to ping the TFTP server from the switch from the appropriate virtual router. What is a Virtual Router? 
Example ping commands:
  • ping vr vr-Mgmt <host>
  • ping vr vr-Default <host>
  1. Once verifying the TFTP server is reachable, specify that VR when you download the image in the next step.
  2. Issue the command "download image <host> <filename.xos> <virtual-router>".
  3. Reboot the entire stack for the upgrade to take effect: Type "reboot stack-topology", then when asked if you want to reboot the switch now, type "yes".
Additional notes

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