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Operate
Known Caveats
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The RMA process does not pull the configuration from the Onboarding Configuration Template or the Cloud Day-N
Template. The configuration for the RMA devices is saved in the archive and applied to the new replacement device
during RMA process.
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RMA supports replacement of similar devices only. For example, a Cisco Catalyst 3850 switch can be replaced only with
another Cisco Catalyst 3850 switch. Also, the platform ID of the faulty and replacement devices must be the same.
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If the supervisor engine of the replacement device is different from that of the faulty device, the software image pushed
to the replacement device may not be compatible, and the image activation in the replacement device goes to ROMMON
mode.
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The RMA workflow supports device replacement only if:
◦ Both faulty and replacement devices have the same extension cards.
◦ The number of ports in both devices does not vary because of extension cards.
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Make sure that the replacement device is connected to the same port to which the faulty device was connected before.
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Cisco DNA Center does not support legacy license deployment. Also, the RMA workflow does not register the faulty
device with CSSM, nor remove the faulty device license from CSSM.
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Cisco DNA Center provisions the replacement device with the running and VLAN configurations of the faulty device
available in the archive. If any configuration changes were made to the old device after the latest archive, the
replacement device may not have the latest configuration.
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If the replacement device onboards through PnP-DHCP functionality, make sure that the device gets the same IP address
after every reload, and the lease timeout of DHCP is more than two hours.
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RMA workflow only supports enabling DNA licenses (DNA/Network Essentials and DNA/Network Advantage) on the
replacement device. If the faulty device is running a legacy license (e.g. IP Base, IP Services and etc.), it requires users to
enable the licensing on the replacement device outside RMA workflow, except when licenses on the faulty and
replacement devices match.
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If users choose zero-touch RMA via PnP, RMA could fail if the replacement device gets the DHCP IP address from an IOS
DHCP server initially and image upgrade is involved, since the replacement is very likely to get a new DHCP IP from IOS
DHCP server after reboot.
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If the software image from the faulty device is not available in Cisco DNA Center Image repository, RMA workflow will fail
since it cannot deploy the software image to the replacement device.
For more information you may also refer to Cisco DNA Center User Guide, Release 1.3.1.0.