tmnxMobGtpPriServerEchoInterval 1.3.6.1.4.1.6527.3.1.2.67.1.18.1.10

The value of tmnxMobGtpPriServerEchoInterval specifies the interval at which the system should send echo-requests for the GPRS Tunneling Protocol (GTP) Prime Server PDUs used to send the Charging Data Records (CDR).