Chelsio Communications Terminator Series Installation And User Manual page 271

Chapter XIX. WD Sniffing and Tracing
DUT: Machine B
PEER: Machine A <-----> (port 0) (port 1) <-----> PEER: Machine C
192.168.1.100 IP-dont-care IP-dont-care 192.168.1.200
2. Procedure:
wd_tcpdump_trace -i iface
Run on the command prompt where iface is one of the interfaces
whose traffic you want to trace. In the above diagram its port 0 or port 1.
[root@host~]# wd_tcpdump_trace -i <iface>
Use any tool (like ping or ssh) to run traffic between machines A and B. The traffic should
successfully make it from end to end and wd_tcpdump_trace on the DUT should show the tapped
traffic.
Chelsio Unified Wire for Linux 271