It enhances and adds to the SMIv1 - specific data types , such as including bit strings , network addresses , and counters .
The second version of the SMI ( SMIv2 ) is described in RFC 2578 and RFC 2579 .
SMI enhances and adds to the SMIv1 - specific data types , such as including bit strings , network addresses , and counters .
The second version of the SMI ( SMIv2 ) is described in RFC 2578 and RFC 2579 .