Chelsio Communications Chelsio T4 Guia do Utilizador descarregar pdf (Página 196)

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Chapter XIV. WD Sniffing and Tracing

2. Installation and Usage

2.1. Installing basic support

iw_cxgb4 (Chelsio iWARP driver) and cxgb4 (Chelsio NIC driver) drivers have to be compiled

and loaded before running the utilities. Refer to the Software/Driver Loading section for each

driver and follow the instructions mentioned before proceeding.

2.2. Using Sniffer (wd_sniffer)

1. Setup:

Wire filter sniffing requires 2 systems with one machine having a T4 card.

The machines should be setup in the following manner:

Machine A <---------> Machine B

192.168.1.100 192.168.1.200

2. Procedure:

On the Device Under Test (DUT), start sniffer.

[root@host]# wd_sniffer -T 20 -s 1000 -I <MAC address of interface to sniff>

Start traffic on the PEER and watch the sniffer.

The sniffer will receive all packets as fast as possible, update the packet count, and then

discard the data. Performance is a full 10Gbps for packet size 1000.

2.3. Using Tracer (wd_tcpdump_trace)

1. Setup:

Wire tapping requires 3 systems with one machine having a T4 card with two or more ports. The

machines should be setup in the following manner:

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