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Cisco Bug: CSCtd59362 - VEM host vmware UUID should be case insensitive

Last Modified

Feb 01, 2017

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases

4.0(4)SV1(2)

Description (partial)

Symptom:
The UUID is 16-byte number, represented in its canonical form as 32 hexadecimal digits, displayed in 5 groups separated by hyphens, in the form 8-4-4-4-12 for a total of 36 characters (32 digits and 4 hyphens).

N1k treats UUID as case sensitive string, thus the followings are treated as three different UUIDs, instead of one unique UUID:
vem 13
  host vmware id 45D870E1-6B28-11DE-BABA-000BAB01BFD6
vem 14
  host vmware id 45d870e1-6b28-11de-baba-000bab01bfd6
vem 15
  host vmware id 45d870e1-6b28-11de-baba-000BaB01bfd6

The all upper case, all lower case, or mix case UUID should be treated the same if the hexadecimal number is the same; VEM should be able to connect with the configured module number regardless the case of UUID configured; i.e., the above configuration if configured in sequence, only vem 13 config should be accepted.

Conditions:
Configuring host vmware UUID in upper or mix case.
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