tmnxL2tpLnsSePppStatTxLcpEchoRep 1.3.6.1.4.1.6527.3.1.2.60.1.5.1.3.1.22

The value of tmnxL2tpLnsSePppStatTxLcpEchoRep indicates the number of LCP echo replies transmitted for this PPP session.