I was not offering a suggestion on source of the problem.. but more of a work around to try out (in regards to duplex mis-match).
Are you using any kind of queues ? in your configuration ? Regards. Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: [email protected] > From: "Ken Hohhof" <[email protected]> > To: [email protected] > Sent: Sunday, January 3, 2016 7:42:46 PM > Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet links > Both sides report 100FDX. > Also, I see this on a production router where the two devices that negotiate > 100FDX are a Cambium PTP500 and a Ubiquiti Powerbridge. I doubt those two > radios plus my laptop would all have autonegotiation problems. > Plus if it’s a duplex mismatch, why is the severity of the problem independent > of the amount of traffic through the interface? Whether on the lab router with > no other traffic whatsoever, or the production router with 20-50 Mbps of > traffic at peak and almost zero in the middle of the night? Duplex problems > should get much worse with more traffic. Plus I would expect something to show > up in the interface stats on either the router or the connected device. > From: Faisal Imtiaz > Sent: Sunday, January 03, 2016 6:01 PM > To: [email protected] > Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet links > hmm, since you are not seeing the problem with 1gig connections only 100FDX, > then it is some sort of a Ethernet handshake issue. > While I cannot say that I have tested this between the different versions of > 5x > & 6x, I have see Ethernet hand shake issues between different equipment (e.g. > CCR & Dell Switches... etc). > You might want to play with the ethernet duplex port settings on both sides, > i.e. if you are doing a 100FDX on the laptop then do the same 100FDX on the > MT... or try a combination of Auto on one side (laptop) and 100FDX on the MT. > Regards. > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, FL 33155 > Tel: 305 663 5518 x 232 > Help-desk: (305)663-5518 Option 2 or Email: [email protected] >> From: "Ken Hohhof" <[email protected]> >> To: [email protected] >> Sent: Sunday, January 3, 2016 6:11:09 PM >> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet links >> Not a Winbox issue. >> I can connect a laptop with its NIC forced to 100FDX and see ping loss. I >> also >> see devices downstream of a 100M interface on this router that I monitor for >> packet loss and starting when this router was changed, the packet loss graphs >> went from essentially zero to around 0.5%. >> From: Josh Luthman >> Sent: Sunday, January 03, 2016 5:03 PM >> To: [email protected] >> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet links >> FYI I use Winbox 2.2.18 100% of the time since 11/3/2011 - maybe try that? >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> On Sun, Jan 3, 2016 at 6:01 PM, Ken Hohhof < [email protected] > wrote: >>> I get the same results with Winbox 3.0 or Winbox 2.2.13. Note this problem >>> shows >>> up as on other stuff not just Winbox, it's just easy to test with Winbox >>> because it shows up easily as disconnects or failure to load plugins. >>> Note that I can use Winbox fine through an interface running at gigabit, or >>> I >>> can Winbox through this router to another Mikrotik via a 100M interface, the >>> stress on the interface seems to be when the packets are originating from >>> this >>> router itself and trying to go out a 100M interface. But I also see low >>> level >>> packet loss on normal traffic through the interface, although it doesn't >>> show >>> up as drops or errors in the stats. >>> -----Original Message----- From: Faisal Imtiaz >>> Sent: Sunday, January 03, 2016 4:35 PM >>> To: [email protected] >>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>> links >>> Are u using the new version of winbox ? >>> i.e. ver 3.0 ? there are issues with older version of the Winbox too. >>> Faisal Imtiaz >>> Snappy Internet & Telecom >>> 7266 SW 48 Street >>> Miami, FL 33155 >>> Tel: 305 663 5518 x 232 >>> Help-desk: (305)663-5518 Option 2 or Email: [email protected] >>> ----- Original Message ----- >>>> From: "Ken Hohhof" < [email protected] > >>>> To: [email protected] >>>> Sent: Sunday, January 3, 2016 4:03:22 PM >>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>> links >>>> I tried multi-queue Ethernet default and it didn't work, even with queue >>>> size increased to 500 packets. >>>> 5.26 still works fine. Best way to see problem is to clear Winbox cache so >>>> it has to download plugins. >>>> -----Original Message----- >>>> From: Faisal Imtiaz >>>> Sent: Sunday, January 03, 2016 11:02 AM >>>> To: [email protected] >>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>> links >>>> Don't forget to reboot the unit after making the queue changes. >>>> Also I would suggest to reach out to Brian Vargas @ Balticnetworks and see >>>> if they have any suggestions and or if they can replicate what you are >>>> seeing. >>>> Regards. >>>> Faisal Imtiaz >>>> Snappy Internet & Telecom >>>> 7266 SW 48 Street >>>> Miami, FL 33155 >>>> Tel: 305 663 5518 x 232 >>>> Help-desk: (305)663-5518 Option 2 or Email: [email protected] >>>> ----- Original Message ----- >>>>> From: "Ken Hohhof" < [email protected] > >>>>> To: [email protected] >>>>> Sent: Saturday, January 2, 2016 11:27:45 PM >>>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>>> links >>>>> I thought about the first part but didn't try it, I'll try it on the lab >>>>> router tomorrow. >>>>> No, I don't see anything reported in the stats, as far as they are >>>>> concerned, everything is good. >>>>> -----Original Message----- >>>>> From: Faisal Imtiaz >>>>> Sent: Saturday, January 02, 2016 10:17 PM >>>>> To: [email protected] >>>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>>> links >>>>> Try something.... >>>>> change the interface queue to multi-queue-Ethernet-default >>>>> and increase the queue size packet buffer for it. (it should be mq pfifo) >>>>> Do you see errors / packet loss being reported in the stats ? >>>>> Regards. >>>>> Faisal Imtiaz >>>>> Snappy Internet & Telecom >>>>> 7266 SW 48 Street >>>>> Miami, FL 33155 >>>>> Tel: 305 663 5518 x 232 >>>>> Help-desk: (305)663-5518 Option 2 or Email: [email protected] >>>>> ----- Original Message ----- >>>>>> From: "Ken Hohhof" < [email protected] > >>>>>> To: [email protected] >>>>>> Sent: Saturday, January 2, 2016 8:09:46 PM >>>>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>>>> links >>>>>> I downgraded to 6.25 and still saw the problems. >>>>>> I don't really want to go back any farther, likely the issue started with >>>>>> the new kernel and drivers when 6.x first came out. I figure if I can't >>>>>> run >>>>>> any of the recent versions, I might as well go back to 5.26. Unless >>>>>> someone >>>>>> knows of a specific cause and how to fix it. >>>>>> -----Original Message----- >>>>>> From: Kevin Radunz >>>>>> Sent: Friday, January 01, 2016 1:32 PM >>>>>> To: [email protected] >>>>>> Subject: Re: [AFMUG] Mikrotik x86 and ROS 6.x problems on 100M Ethernet >>>>>> links >>>>>> I think some weard problems started around 6.33. There are posts of >>>>>> different topics about things like Winbox and VPN traffic not working but >>>>>> traffic through the device was fine. Some thought MTU changes but I'm >>>>>> not >>>>>> sure I saw concrete fixes. I know earlier versions don't do this. >>>>>>> I recently upgraded one of those RouterMaxx 1106 routers from 5.2 to >>>>>>> 6.33.1 >>>>>>> (I actually configured a new router and swapped hardware). Ever since, >>>>>>> I >>>>>>> have had performance problems with a couple ports that are connected to >>>>>>> radios with 100M Ethernet ports. The most obvious symptom is that >>>>>>> Winbox >>>>>>> won't stay connected or can't download plugins, but I also see pings >>>>>>> dropped >>>>>>> even to the directly connected equipment. >>>>>>> I was a bad boy making multiple changes at once, so I've been gradually >>>>>>> walking them back in the lab on the original router, I upgraded it to >>>>>>> 6.33.1 >>>>>>> and the problem appeared. I dropped back to 6.31 and it was still >>>>>>> there, >>>>>>> but when I dropped back to 5.26 everything was fine again. I haven't >>>>>>> tried >>>>>>> earlier 6.x versions yet, 6.31 is the oldest x86 version I have handy. >>>>>>> This >>>>>>> is not a radio problem, I can reproduce it with a directly connected >>>>>>> laptop >>>>>>> if I force the laptop NIC to 100M FDX. >>>>>>> Is anyone familiar with this problem? I can't find anything on the >>>>>>> Mikrotik >>>>>>> forums. I guess I can live with 5.26 if I have to, but I'd like to know >>>>>>> what is causing this. Do I just need to change some configuration >>>>>>> parameter? I know 6.x brought out hardware only queues, but I think >>>>>>> that's >>>>>>> for Routerboards, not x86. Is there a problem with the Intel NIC >>>>>>> drivers >>>>>>> included with 6.x? Any chance that an earlier or later version of 6.x >>>>>>> will >>>> >>> work for me? I see nothing in the change logs about it.
