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I had a chance to revisit this problem I was having with the netstat rrd data. I noticed that our Solaris 8 servers are not reporting any of the following fields "tcpOutDataPackets tcpInInorderPackets tcpInUnorderPackets tcpRetransPackets". They just don't exist on a "netstat -s" output. Do those come from some GNU version of netstat?

No, it appears to depend on the Solaris version if those fields are present or not.

Which Solaris version is supposed to contain those fields then? I've tried Solaris 8 and Solaris 10 and neither version produce those fields with netstat. Can I recompile part of the Hobbit server so that it will just not look for the fields and process what it does get?