Hi,

I’m using the unique overlay on OpenLDAP 2.4.30 on Solaris 11.3 like this:

overlay unique

unique_uri ldap:///ou=Ethers,dc=mydomain,dc=com?macAddress?sub?objectClass=ieee802Device

to force the macAddress to be unique.

This works well, except if I attempt to swap the macAddress between two entries in a single LDAP modify operation, like this:

dn: cn=host1-eth0,ou=Ethers,dc=mydomain,dc=com

changetype: modify

replace: macAddress

macAddress: <current host1-eth1 value>

dn: cn=host1-eth1,ou=Ethers,dc=mydomain,dc=com

changetype: modify

replace: macAddress

macAddress: <current host1-eth0 value>

I get:

ldap_modify: Constraint violation (19)

additional info: some attributes not unique

Is there a way to swap two values without tripping this error?

Thanks,

Mark.

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