net-analyzer/tcpreplay
Utilities for editing and replaying previously captured network traffic
USE Flags
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
pcapnav
Global: Enable if you want the jump to byte offset feature via net-libs/libpcapnav
Local: Enable if you want the jump to byte offset feature via net-libs/libpcapnav
+tcpdump
* This flag is undocumented *