Hi, Meera
Thank you for raising the question.
You can find the syslog-related configuration on the DCNM Edit Fabric > Manageability page.
For detailed info please check the reference pic below:
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You can also learn more about Cisco NDFC (previously known as DCNM) through our live Ask the Experts (ATXs) session. Check out this ATXs Resources [https://community.cisco.com/t5/data-center-and-cloud-knowledge/cisco-aci-ask-the-experts-resources/ta-p/4394491] to view the latest schedule for upcoming sessions, as well as the useful references, e.g. online guides, FAQs.
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Best Regards
Lucy