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Cisco Bug: CSCvs08460 - Pushed from Cisco DNA Center IP SLAs cause VN DNS/DHCP reachability alarms in Assurance

Last Modified

Apr 22, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases

DNAC1.2.10 DNAC1.3.1.4 DNAC1.3.3.1

Description (partial)

Cisco DNA Center's Assurance app may show DNS/DHCP reachability alarms in a particular VN.  Configurations sent by Cisco DNA Center may include IP SLAs for checking DHCP/DNS reachability on the fabric borders.  This can cause Assurance alarms due to using an L3-handoff IP addresses as a probe's source.  Users may not advertise L3-handoff subnets into the routing domain outside the fabric (there is no explicit recommendation to do this). That causes the IP SLAs to fail.

This happened in an SDA fabric where IP SLAs pushed by Csco DNA Center are using L3-handoff IP addresses as probe sources.
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