Onload User Guide (UG1586)

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Release Date
1.2 English

The onload_tcpdump application requires libpcap and libpcap-devel to be installed on the server. If libpcap is not installed the following message is reported when onload_tcpdump is invoked:

ci Onload was compiled without libpcap development package installed. You need to install libpcap-devel or libpcap-dev package to run onload_tcpdump.
tcpdump: truncated dump file; tried to read 24 file header bytes, only got 0

If libpcap is missing it can be downloaded from

Untar the compressed file on the target server and follow build instructions in the INSTALL.txt file. The libpcap package must be installed before Onload is built and installed.