wfIpsecEspTransformExpiryMBytes 1.3.6.1.4.1.18.3.5.3.26.10.1.9

The value used to determine when the keys for this SA expire due to the number of bytes processed. The units are mega-bytes. The minium recommended value is 10 Mbytes. A value of 0 indicates that MByte expiry is not desired.