<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Sujit<div> I know that this is LACP debug . I am trying to understand the specific conditions that this LACP disconnect sequence is occurring. It’s a odd thing, it’s happening during times of relatively low was tcp traffic . The router and is not highly loaded and I can’t find a reason why this is occurring . </div><div><br></div><div><br></div><div>---<div>Mark Saad | nonesuch@longcount.org</div><div><br></div>On Jul 12, 2020, at 6:22 AM, Sujit K M <kmsujit@gmail.com> wrote:<br><div dir="ltr"><blockquote type="cite"><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto"><div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Jul 11, 2020, 10:03 PM Mark Saad <<a href="mailto:nonesuch@longcount.org">nonesuch@longcount.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">All<div> This is a repost from net . I am looking for someone who can help me better understand this LACP disconnect that I am seeing on 12-stable . The server is a router with Solarflare nics attached to a Pair of arista 7050’s . </div><div><br><span>Can you help me understand what I am looking at here. I enabled the lacp debug until I finally saw the issue I noted before. Due to some log rotation part of the message is clipped.</span><br><span>Here is a part the full thing is on patebin <a href="https://pastebin.com/BGtbxcBf" dir="ltr" style="color:currentcolor" target="_blank" rel="noreferrer">https://pastebin.com/BGtbxcBf</a></span><br><span></span><br><span></span><br><span>30 2020-07-09T15:47:04.145885+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: lacp_sm_rx_timer: CURRENT -> EXPIRED</span><br><span>31 2020-07-09T15:47:04.145895+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: Interface stopped DISTRIBUTING, possible flapping</span><br><span>32 2020-07-09T15:47:04.145895+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: collecting enabled</span></div></div></blockquote></div></div><div dir="auto"><br></div><div dir="auto"><a href="https://en.m.wikipedia.org/wiki/Link_aggregation#:~:text=Within%20the%20IEEE%20specification%2C%20the,form%20a%20single%20logical%20channel">https://en.m.wikipedia.org/wiki/Link_aggregation#:~:text=Within%20the%20IEEE%20specification%2C%20the,form%20a%20single%20logical%20channel</a>.</div><div dir="auto"><br></div><div dir="auto">The expired and stopped distribution might beat the purpose of LACP.</div><div dir="auto"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div><br><span>33 2020-07-09T15:47:04.145896+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: disable distributing on aggregator [(8000,00-0F-53-69-7C-20,00F2,0000,0000),(8000,46-4C-A8-68-13-47,006A,0000,0000)], nports 2 -> 1</span><br><span>34 2020-07-09T15:47:04.145911+00:00 ch1-c104-sdn02-mgmt kernel: sfxge1: lacp_select_tx_port: waiting transit</span><br><span>35 2020-07-09T15:47:04.145912+00:00 ch1-c104-sdn02-mgmt kernel: marker transmit, port=6, sys=00:0f:53:69:7c:20, id=487</span><br><span>36 2020-07-09T15:47:04.145912+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: sfxge1: lacp_select_tx_port: waiting transit</span><br><span>37 2020-07-09T15:47:04.145913+00:00 ch1-c104-sdn02-mgmt kernel: marker transmit, port=5, sys=00:0f:53:69:7c:20, id=487</span><br><span>38 2020-07-09T15:47:04.145914+00:00 ch1-c104-sdn02-mgmt kernel: marker response, port=6, sys=00:0f:53:69:7c:20, id=487</span><br><span>39 2020-07-09T15:47:04.145914+00:00 ch1-c104-sdn02-mgmt kernel: [(8000,00-0F-53-69-7C-20,00F2,0000,0000),(8000,46-4C-A8-68-13-47,006A,0000,0000)], speed=<a href="tel:10000000000" dir="ltr" style="color:currentcolor" target="_blank" rel="noreferrer">10000000000</a>, nports=1</span><br><span>40 2020-07-09T15:47:04.145922+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: lacp_select_tx_port: waiting transit</span><br><span>41 2020-07-09T15:47:04.145923+00:00 ch1-c104-sdn02-mgmt kernel: lacp_select_tx_port: waiting transit</span><br><span>42 2020-07-09T15:47:04.145923+00:00 ch1-c104-sdn02-mgmt kernel: active aggregator not changed</span><br><span>43 2020-07-09T15:47:04.145924+00:00 ch1-c104-sdn02-mgmt kernel: lacp_select_tx_port: waiting transit</span><br><span>44 2020-07-09T15:47:04.145925+00:00 ch1-c104-sdn02-mgmt kernel: marker response, port=5, sys=00:0f:53:69:7c:20, id=487</span><br><span>45 2020-07-09T15:47:04.145925+00:00 ch1-c104-sdn02-mgmt kernel: lacp_select_tx_port: waiting transit</span><br><span>46 2020-07-09T15:47:04.145926+00:00 ch1-c104-sdn02-mgmt kernel: new [(8000,00-0F-53-69-7C-20,00F2,0000,0000),(8000,46-4C-A8-68-13-47,006A,0000,0000)]</span><br><span>47 2020-07-09T15:47:04.145926+00:00 ch1-c104-sdn02-mgmt kernel: Set table 1 with 1 ports</span><br><span>48 2020-07-09T15:47:04.145927+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: mux_state 4 -> 3</span><br><span>49 2020-07-09T15:47:04.145928+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: collecting disabled</span><br><span>50 2020-07-09T15:47:04.145930+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: mux_state 3 -> 2</span><br><span>51 2020-07-09T15:47:04.145931+00:00 ch1-c104-sdn02-mgmt kernel: sfxge0: lacpdu transmit</span><br><span>52 2020-07-09T15:47:04.145931+00:00 ch1-c104-sdn02-mgmt kernel: actor=(8000,00-0F-53-69-7C-20,00F2,8000,0005)</span><br><span>53 2020-07-09T15:47:04.145932+00:00 ch1-c104-sdn02-mgmt kernel: actor.state=8d<ACTIVITY,AGGREGATION,SYNC,EXPIRED></span><br><span>54 2020-07-09T15:47:04.145932+00:00 ch1-c104-sdn02-mgmt kernel: partner=(8000,46-4C-A8-68-13-47,006A,8000,0006)</span><br><span>55 2020-07-09T15:47:04.145933+00:00 ch1-c104-sdn02-mgmt kernel: partner.state=37<ACTIVITY,TIMEOUT,AGGREGATION,COLLECTING,DISTRIBUTING></span><br><span>56 2020-07-09T15:47:04.145935+00:00 ch1-c104-sdn02-mgmt kernel: maxdelay=0</span><br><span>57 2020-07-09T15:47:04.145937+00:00 ch1-c104-sdn02-mgmt kernel: queue flush complete</span><br><div dir="ltr">---<div>Mark Saad | <a href="mailto:nonesuch@longcount.org" target="_blank" rel="noreferrer">nonesuch@longcount.org</a></div></div></div></div>_______________________________________________<br>
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