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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>The CU2508 has been brought up a few times – it is definitely <b>not</b> compatible with Etherlab (or Linux in general, as far as I know). It would be nice if it were, but nobody has put time in to write a custom driver for it yet.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Graeme Foot<br><b>Sent:</b> Tuesday, 14 February 2017 10:34<br><b>To:</b> Lander Usategui San Juan <lander@erlerobotics.com>; etherlab-users@etherlab.org<br><b>Subject:</b> Re: [etherlab-users] Sniff the network<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div id=divtagdefaultwrapper><p><span style='font-family:"Calibri",sans-serif;color:black'>Hi,<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>Generally you place a switch (not a hub) between two slaves in your fieldbus and then connect a computer to a third port in the switch. On the computer you disable all protocols on the connected port (to avoid the computer sending any packets on that port) and run Wireshark.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>If the switch is configurable make sure it doesn't delay forwarding of the packets.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>The computer connected to the switch could be your CX9020.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>Wireshark is not running realtime so you can't rely on the Wireshark timestamps too closely. However, if you are running Distributed Clocks you can look at the distrubuted clock reference slave timestamp (32 bits only so it does roll over every 4.2 seconds appoximately). Or better yet, if you have some spare money, you could buy a Beckhoff ET2000 network probe.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>As for the CU2508, I haven't seen anyone mention it in the forums and from a quick look I suspect it might need a special device driver.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>Regards,<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'>Graeme Foot.<o:p></o:p></span></p><p><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span style='font-family:"Calibri",sans-serif;color:black'><hr size=2 width="98%" align=center></span></div><div id=divRplyFwdMsg><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'> etherlab-users <<a href="mailto:etherlab-users-bounces@etherlab.org">etherlab-users-bounces@etherlab.org</a>> on behalf of Lander Usategui San Juan <<a href="mailto:lander@erlerobotics.com">lander@erlerobotics.com</a>><br><b>Sent:</b> Tuesday, 14 February 2017 05:15<br><b>To:</b> <a href="mailto:etherlab-users@etherlab.org">etherlab-users@etherlab.org</a><br><b>Subject:</b> [etherlab-users] Sniff the network</span><span style='font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p></div></div><div><div><div><p style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>Hi all!<o:p></o:p></span></p><p><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>I have some troubles to capture the packages between </span><code><span style='font-size:9.0pt;font-family:Consolas;color:#333333'>CX9020</span></code><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'> Linux master with etherlab and </span><code><span style='font-size:9.0pt;font-family:Consolas;color:#333333'>ccat</span></code><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'> configured.<o:p></o:p></span></p><p style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>My configuration:<o:p></o:p></span></p><p><code><span style='font-size:9.0pt;font-family:Consolas;color:#333333'>CX9020</span></code><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'> --> </span><code><span style='font-size:9.0pt;font-family:Consolas;color:#333333'>EK 1110</span></code><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'> --> </span><code><span style='font-size:9.0pt;font-family:Consolas;color:#333333'>LAN9252</span></code><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'><o:p></o:p></span></p><p style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>I'm able to sniff the EtherCAT packages using, "man on the middle" technique, but the intermediate computer is not real time machine and I have some delays.<o:p></o:p></span></p><p style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>Is it possible sniff directly on mater? How?<o:p></o:p></span></p><p style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>Also, is this device <a href="http://www.beckhoff.co.uk/english.asp?pc_cards_switches/cu2508.htm?id=35911031548"><span style='color:#4078C0;text-decoration:none'>CU2508</span></a>, compatible with the Linux master?<o:p></o:p></span></p><p><span style='font-size:10.5pt;font-family:"Calibri",sans-serif;color:#333333'>Thanks in advance!<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>-- <o:p></o:p></span></p><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'>Lander Usategui</span></b><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'>Test Engineer<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'><img border=0 width=96 height=96 style='width:1.0in;height:1.0in' id="_x0000_i1026" src="http://erlerobotics.com/blog/wp-content/uploads/2014/10/erle_corporativo_5.0_72px_nobackground.png"><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.5pt;font-family:"Calibri",sans-serif;color:black'><o:p> 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