Rbytes64 and obytes64 kstat counters may be incorrect for certain types of ixgbe cards. (Doc ID 1307963.1)

Last updated on JULY 11, 2017

Applies to:

Solaris Operating System - Version 10 3/05 to 10 9/10 U9 [Release 10.0]
Information in this document applies to any platform.
When high volumes of traffic are passing through the ixgbe interface, kstat rbytes64 and obytes64 may report values much lower then real amount of network traffic if they're being read infrequently.


Symptoms

The mentioned kstat counters can be retrieved with the following commands:

# kstat -p ixgbe:0:mac:rbytes64
ixgbe:0:mac:rbytes64    20904
# kstat -p ixgbe:0:mac:obytes64
ixgbe:0:mac:obytes64    24626



Cause

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