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ZTP process fails if there is no XMC in the network

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TitleZTP process fails if there is no XMC in the network
Symptoms
Switch is not completing the auto provision process if there is no XMC in the network.
Environment
  • EXOS 22.5, 22.6
  • Summit all
Cause
Option 125 in DHCP packet which is used along with Netsight is ideally supposed to be  superseded by ZTP+ in XMC.
Option 43 works for cases where there is no XMC, i.e. the config/xsf/python files' location is provided over these options so that ZTP can happen without use of XMC/Netsight.

However, due to a software bug, this fallback to old ZTP does not happen if ZTP+ fails. CR xos0070318 is created to solve this issue.
Resolution
Fix is available in 22.6.1.4-patch2-2 (not public available) release or 22.7 release. Please contact GTAC for more details.

When using this new fix, you need to use an URL style to refer to a config file.

Use option 101 in below format, make sure option 100 is not offered to this switch.
tftp://10.10.10.1/test.cfg 

There is a bug (xos0074702 ) where ZTP does not work when the Mgmt port is used. This will be fixed in 22.7 and the 22.5 May2019 patch.
Additional notes

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