I have a cisco UBR device in network but when running snmpwalk with device it gives us OID not increasing error. Following is the output of error :- kumar@mng:~$ snmpwalk -v2c -c ****** pl-ubr-01 iso.3.6.1.2.1.4.34.1.3.4.20.254.128iso.3.6.1.2.1.4.34....