Looks like IP address got back to factory default. Please find below information,
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Each controller has the following factory-default IP settings:
• DHCP: enabled
• Controller A IP address: 10.0.0.2
• Controller B IP address: 10.0.0.3
• IP subnet mask: 255.255.255.0
• Gateway IP address: 10.0.0.1
When DHCP is enabled, the following initial values are set and remain set until the system is able to contact a DHCP server for new addresses.
• Controller A IP address: 10.0.0.2
• Controller B IP address: 10.0.0.3
• IP subnet mask: 255.255.255.0
• Gateway IP address: 0.0.0.0
To switch a controller from DHCP addressing to static addressing, you must set the IP address, netmask, and gateway values.
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You can verify the IP address from Serial access as well.
You can refer CLI guides to get necessary commands.
Hope this helps!
Regards
Subhajit
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