I am using cacti 1.2.25 on Ubuntu 18.04 , php 7.2, net-snmp enabled. here is output from command line
cacti log shows valuesserver# snmpwalk -On -v3 -l authPriv -u xxxxx -a MD5 -A 'xxxxxxxx' -x DES -X 'xxxxxxxxx' 10.xx.224.xx .1.3.6.1.2.1.31.1.1.1.10.5910
.1.3.6.1.2.1.31.1.1.1.10.5910 = Counter64: 49236179669608
server# snmpwalk -On -v3 -l authPriv -u xxxxx -a MD5 -A 'xxxxxxxx' -x DES -X 'xxxxxxxxx' 10.xx.224.xx .1.3.6.1.2.1.31.1.1.1.6.5910
.1.3.6.1.2.1.31.1.1.1.6.5910 = Counter64: 5695330092536
server# snmpwalk -On -v3 -l authPriv -u xxxxx -a MD5 -A 'xxxxxxxx' -x DES -X 'xxxxxxxxx' 10.xx.224.xx .1.3.6.1.2.1.31.1.1.1.10.5910
.1.3.6.1.2.1.31.1.1.1.10.5910 = Counter64: 49236179669608
server# snmpwalk -On -v3 -l authPriv -u xxxxx -a MD5 -A 'xxxxxxxx' -x DES -X 'xxxxxxxxx' 10.xx.224.xx .1.3.6.1.2.1.31.1.1.1.6.5910
.1.3.6.1.2.1.31.1.1.1.6.5910 = Counter64: 5695330092536
however graph (64Bit) is showing traffic as 0.002023-12-16 19:30:03 - SPINE: Poller[Main Poller] PID[12092] PT[140518015526656] Device[xxxxxx] HT[1] DS[xxxxxx - Traffic - Eth-Trunk8.1610] Graphs[xxxxxx - Traffic - xxx/GPON/xxx] TT[56.32] SNMP: v3: xxxxxx, dsname: traffic_out, oid: .1.3.6.1.2.1.31.1.1.1.10.5910, value: 49236179669608
2023-12-16 19:30:03 - SPINE: Poller[Main Poller] PID[12092] PT[140518015526656] Device[xxxxxx] HT[1] DS[xxxxxx - Traffic - Eth-Trunk8.1610] Graphs[xxxxxx - Traffic - xxx/GPON/xxx] TT[56.28] SNMP: v3: xxxxxx, dsname: traffic_in, oid: .1.3.6.1.2.1.31.1.1.1.6.5910, value: 5695330092536