tmnxKeyChainKeyTolerance 1.3.6.1.4.1.6527.3.1.2.22.15.1.8

The value of tmnxKeyChainKeyTolerance specifies the number of seconds that a eligible receive key should overlap with the active send key. tmnxKeyChainKeyTolerance is valid only when tmnxKeyChainKeyDirection is set to 'send-receive' or 'receive'.