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Cisco Bug: CSCvt87976 - EPM doesn't resolve the SS EP sclass correctly after trigger

Last Modified

Oct 03, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

15.0(0.128)

Description (partial)

Symptom:
On a remote leaf switch, the sclass of a shared service endpoint can be incorrect due to overwriting of the sclass by the new share service prefix on a different EPG.

Example:

On the remote leaf switch, XR IP <IP1> is learned with sclass <S1>, which corresponds to the EPG sclass <sclass1> that is based on LPM (<prefix1>/24).

If a more specific route leak subnet <prefix1/>29 is configured, then the XR endpoint is still learned with the EPG <sclass1> instead of the sclass coming from the <prefix1/>29 configuration.

Conditions:
The issue can be seen when a less specific or more specific shared service prefix is added on a different EPG in the remote leaf switch.
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