Tuning the igb interface in Solaris 11 or Solaris 10u11 for high packet rate environments to avoid packet loss.

(Doc ID 2034693.1)

Last updated on FEBRUARY 05, 2018

Applies to:

Solaris Operating System - Version 10 1/13 U11 and later
Information in this document applies to any platform.


A customer was reporting igb buffer overflows, as shown by kstat missed_packets and norcvbuf counters, on igb NICs dedicated to high packet rate multicast exchange traffic.

The platform in this case was an X4-8 x86 machine, although this may also happen on SPARC systems with igb interfaces.


 Packet rates increased.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms