Hi, I have strange problem with traffic graph. Zabbix monitor some network devices by snmp (IF-MIB::ifHCInOctets and IF-MIB::ifHCOutOctets). Sometimes with some devices graphs show abnormal values (over 1Tb/s on 1gig interfaces) and it is usually interface without traffic.
You can see the example graph:

Do you know why it is happening? Did you have similar problem?
You can see the example graph:

Do you know why it is happening? Did you have similar problem?