My Oracle Support Banner

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 JUNE 27, 2021

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.


To view full details, 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 a vibrant support community of peers and Oracle experts.