hello..  I want to monitor sysuptime by snmp.
But  I cant. model is  MX250.
 
When I was type snmpwalk.. no data there
 
snmpwalk -v 2c -c chem 125.14.26.1
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (0) 0:00:00.00
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (0) 0:00:00.00
 
how can i monitor that ?
hope for reply
thanks