The value of the object svcTlsExtMvrpAttrTblLowWM
specifies utilization of the MVRP attribute table of this
TLS service at which a table full alarm will be cleared by
the agent.
An 'inconsitentValue' error is returned if this object is set to
non-default value when svcMgmtVpls of the service is not set to 'true'.