Statistic interactions of interface counters

Statistic interactions. Interface counters are cleared using the command clear statistics. When certain actions are taken to ports and trunks, the outcome of the clear command differs.
Action taken Trigger Interaction with interface counter
Adding Port into trunk CLI/SNMP

  • Interface counters for this port will be cleared across all sessions.

  • Average rate counters are not cleared.

Removing Port from trunk CLI/SNMP

  • Interface counters for this port will be cleared across all sessions.

  • Average rate counters are not cleared.

Trunk port coming Up CLI enable

  • No change in counters.

  • Interface counters for this port are not cleared.

  • Average rate counters are not cleared. Counters will start from 0 when the trunk port comes up.

Trunk port coming Up Cable connect

  • No change in counters.

  • Interface counters for this port are not cleared.

  • Average rate counters are not cleared. Counters will start from 0 when the trunk port comes up.

Trunk port going Down CLI disable

  • Interface counters for this port are not cleared.

  • Average rate counters are cleared.

Trunk port going Down Cable disconnect

  • Interface counters for this port are not cleared.

  • Average rate counters are cleared.

Trunk port going Down Module crash/module reload

  • Interface counters for this port are not cleared.

  • Average rate counters are cleared.

Trunk port going Down Save power - off

  • Interface counters for this port are not cleared.

  • Average rate counters are cleared.

Trunk port going Down Stacking member reboot/crash/shutdown.

  • Interface counters for this port are not cleared.

  • Average rate counters of this port is not cleared.

  • Utilization for the port is cleared.

  • Utilization for the trunk group is updated accordingly

Trunk port going Down Module remove/member remove.

  • Statistics for removed trunk port can not be accessed as the port is removed.

  • Interface counters for the trunk group is updated.

  • Utilization for the trunk group is updated.

Clear statistics on physical port which is part of trunk CLI

  • Not allowed.

  • The error message Module not present for port or invalid port: <PORT-NUM> displays when the command clear statistics is executed on a port which part of a trunk.

Clear statistics on trunk. CLI

  • Interface counters for physical ports which are part of trunk will be cleared.

  • Average rate counters are not cleared.