I've setup a SNMP server on the office with ubuntu and cacti. It's connected to a 22 port switch. I've configured the following SNMP devices: 2 adsl routers, 1 peplink balancer, 1 wifi access point, 2 SMC switches and the SNMP server itself. The polling interval is 1 minute.
This is the graph for the switch port connected to the SNMP server:
And this is the graph for the server interface connected to switch:
Who is lying?