tcpdump mailing list archives

AIX BPF Buffer Size


From: Shaun <delius () progsoc uts edu au>
Date: Tue, 11 Feb 2003 14:31:56 +1100 (EST)


Hi All,

I notice that on AIX during the BPF buffer size selection loop (BIOCSBLEN)
the buffer size ends up being around 16k. For those of us who aren't
particularly familiar with the buffers used on other platforms is this
small a value normal? By my calculations this space will be filled about
78 times a second on a busy 10MB Ethernet. How can I hope to keep up with
the traffic on the network at this sort of rate?

Thanks,
Shaun

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