Re: packet dropping on solaris

[David Rosal <david.rosal () upf edu>]

Hello.

Michele Sciuto wrote:
> Hello Jonathan,
> we are working at the same topic on a Linux Debian system.
>
> I suggest that you adjust the following kernel parameters in order to
> improve the number of packets captured (I don't know the equivalence in
> Solaris...).
>
> /proc/sys/net/core/rmem_default     409715100 bytes
> /proc/sys/net/core/rmem_max    409715100 bytes
> /proc/sys/net/core/netdev_max_backlog    300000 pkts

I found this article very useful:
        
http://datatag.web.cern.ch/datatag/howto/tcp.html

It is about "How to achieve Gigabit speeds with Linux", but I 
think Solaris users may find it interesting as well.


*David


> Jonathan Khoo wrote:
>
> > Hi guys,
> >
> > I am working on a network monitoring system on solaris. Currently I am
> > just working on the packet capturing engine and I seems to experience
> > packet drops. After reading through the archives and goggling, I
> > suspect that the problem may be due to insufficient buffering in the
> > kernel. Is there any suggestions on how I can modify pcap-dlpi.c to
> > increase the kernel buffering?
> ---------------------------------
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