Hi guys,

I have just installed a RB2011UAS-RM for a customer and discovered a problem with the LAN speed negotiation.

I connected LAN port 3 on the RB to a BT FTCC modem (ECI V-2FUb/I Rev.B) and discovered it negotiated at 10 Mbps. First thought was of course bad cable. Having replaced the cable the same problem exists. I started fiddling around with switching the auto negotiation off and full duplex. Forcing 100 or 1000 Mbps causes the link to be lost.

I then moved over to port 6 on the RB - same problem with auto negotiate. I think I may have been able to force 100 Mbps but only half duplex (struggling to remember exactly what I tried).

Next I tested the BT FTTC modem connected to a laptop using the same cable - full 1000 Mbps
Then I connected the RB to the laptop using the same cable - full 1000 Mbps on port 3 and 100 Mbps on port 6.

Is this some kind of bug in the RB hardware or incompatibility between devices?

The BT modem is locked and as such not a single setting can be changed on that device.

I've had to put a standard 10/100 switch between the two devices just to get above 10 Mbps.

Tried ROS 5.24 and v6.0rc11 with no change.

Any suggestions?

Cheers

Henry

Update 24/02/2013: Found another Mikrotik user from the UK with the same problem and similar equipment. The thread is here (with no positive outcome)

Someone with a similar port speed issue here (with no positive outcome)

And another thread with port speed problems here (with no positive outcome)

And finally some mention of it here here

I wouldn't be surprised if Mikrotik have not been able to reproduce the problem reliably. There have been problems of the other OpenReach modem the HG612 having auto-neg problems on some PC ethernet card drivers although I have not seen such comments regarding the ECI V-2FUb/I Rev.B. The other 3 links don't really help a great deal - rather sketchy details.

I had the chance to look at a 2011 which had 4 ATAs attached and two had come up at 10 Mb. I thought maybe that situation would have provided some hard information but in fact it turned out that two of these brand new ATA were set to 10Mb whereas the other two were set to 100Mb and the installer had simply not considered that possibility.

It would be useful to know if an unlocked ECI V-2FUb/I Rev.B reveals any settings which can be adjusted to avoid the problem.

I wouldn't be surprised if Mikrotik have not been able to reproduce the problem reliably

Perhaps I could loan some hardware to Mikrotik so they can investigate further? I'm sure this problem is going to affect everyone in the UK with an FTTC modem.

It would be useful to know if an unlocked ECI V-2FUb/I Rev.B

I had a look at the screenshots of the web interface, there aren't any settings relating to port speed.

I'm going to try a crossover cable today as an extreme long shot.

Also, for others thinking of going down this path, I'm having stability issues with the pppoe connection. Every 24hrs or so the connection will drop and the Mikrotik is unable to re-establish it. From the logs I can see the broadcast packet going out but no response. Restarting the BT modem solves the problem.

It would seem the BT modem and the Mikrotik router just don't get along. Unfortunately this is the solution we have invested in!

We have worked around this problem with our customers by them using port 10 on the RB2011 set at autonegotiate they get 100 Mbps full duplex to the BT supplied FTTC modems.

We have reported this to MikroTik support, and supplied supouts etc using both common FTTC modems as supplied by BT.

Nick.

nickshore

Is it possible to get ticket number of the problem?

We have worked around this problem with our customers by them using port 10 on the RB2011 set at autonegotiate they get 100 Mbps full duplex to the BT supplied FTTC modems

Thanks for the info Nick. We tried port 10 this afternoon and in our case it doesn't help at all.

Currently we have 100 Mbps half duplex with auto neg off on port 6

I too have problems with the auto-negotiation with the RB2011.

For some reason my ESX server directly connected to it (Intel PRO/1000 PT) often comes up as 100Mbit instead of 1Gbit. What I do is connect using winbox, tick off auto negotiation on that port for 5 seconds and then click it on again, it will immediately take up the right speed of 1Gbit and work. As long as I don't reboot the RB2011, it stays correct.

The same sometimes happens with my UBEE cable modem. It should sync at 1Gbps but sometimes comes up as 100Mbit. The same trick (tick auto neg. off and after 5 seconds on again) fixes the problem till I have to reboot.

I've have this through Version 5.18 up to 6.0rc11 right now. No clue why it happens. Different cables or anything don't help anything. But with the little trick, it's stable and speeds are good. I do really get 1Gbit (117MB/sec using Iperf) so the switch chip is working correctly, it just the sync after booting that doesn't work correctly.

Mikrotik have informed me they are aware of the problem and investigating a fix, I will of course let you know...

[Ticket#2013012366000781] RB2011 ethernet port autosync problems
I reported same problems but the last correspondence was due from to me to MT and I've not had time to reply. Same equipment as other have reported here. BT VDSL modems both the ECI and Huawei types

Interesting to know it's ECI and Huawei

I'm still running at 100 Mbps half duplex at the moment but even that doesn't seem totally stable. Here's what happened to the FTTC connection last night out of nowhere (having been up since 17:30)

2013.02.27-02:01:41 <172.16.1.252>: route,debug,event debug: Interface change
2013.02.27-02:01:41 <172.16.1.252>: route,debug,event debug: interface=ether6 - WAN2
2013.02.27-02:01:41 <172.16.1.252>: route,debug,event debug: status=UP
2013.02.27-02:01:41 <172.16.1.252>: route,debug,event debug: mtu=1500
2013.02.27-02:01:41 <172.16.1.252>: pppoe,debug pppoe: ether6 - WAN2: terminating sessions: interface state changed

There was nothing in the logs saying the interface went down, which seems odd to me. It went 'up' at 17:30 and then 'up' again at 2:01 with no 'down' in between.

[Ticket#2013012366000781] RB2011 ethernet port autosync problems

Bazzer
Am I correct in thinking from the number that your ticket was raised on the 23rd Jan 2013?

Any news from Mikrotik about when this will be fixed? Makes it difficult for us to recommend this unit with the problem still outstanding.

Thanks

Henry

We have ordered equipment for additional testing. It should arrive soon, then we could comment more about this problem.

Hi guys,

Sorry to keep on at you... but any progress at all? Really happy with the RB2011 but this one issue is letting it down!

Thanks,

Henry

Dont know if this is helpful to you but my RB450G is connected to the BT supplied VDSL modem and auto negotiates at 100mb full duplex on port one.

This has worked fine for me from day one and i get my full download/upload bandwidth.

AAAH! I'm having this problem too! I thought it was my equipment!

It depends on what hardware I am connecting to the port. Cheap equipment (Dlink routers, Chinese cameras, etc) all need to be manually set to 10meg half duplex to connect. This also makes a difference depending what port group I use. If I use the 100meg ports, the problem is more common. The gigabit ports do the same problem, but it seems not as often.

Any progress on this?

We are seeing it more and more commonly.
Again ONLY on 2011 boards.

I have same type of issue against MT own equipment (http://forum.mikrotik.com/viewtopic.php ... 45#p362645).
Note: According to the Wikipedia sources the autonegotiation is a must for the GBit/s LAN (http://en.wikipedia.org/wiki/Gigabit_et ... 1000BASE-T) and disabling it is illegal.

Hi,

I have a RouterBoard 2011UAS-RM which I am using with an Openreach FTTC modem (HUAWEI Echolife HG612).

I am seeing 100MB Auto Negotiation on Ether 1, the RB is running 3.04 Firmware and RouterOS 5.24.

Have the same problem with RB600, RB411 and also X86 computer with RouterOS. And also many different HW variants on the other end from enterprise cisco switch to few SOHO switches do the same. Even if I turned off autonegotiation at all on both ends of the wire RouterOS was reporting wrong speed on status page after some time and ethernet link had about 80% packet loss. Turning ON and again OFF the autonegotiation solves the problem for unpredictible amount of time. From that i guess it is the SW problem we are now using version 4.10 so I will try to upgrade and let we see. What versions are you experiencing this with?

Have the same problem with RB600, RB411 and also X86 computer with RouterOS. And also many different HW variants on the other end from enterprise cisco switch to few SOHO switches do the same. Even if I turned off autonegotiation at all on both ends of the wire RouterOS was reporting wrong speed on status page after some time and ethernet link had about 80% packet loss. Turning ON and again OFF the autonegotiation solves the problem for unpredictible amount of time. From that i guess it is the SW problem we are now using version 4.10 so I will try to upgrade and let we see. What versions are you experiencing this with?

The thread is about some particular problems which have been reported on the RB2011. The symptoms you mention actually sound quite different. Note that on Cisco ports if it does not auto-negotiate it will speed sense with some potential problem results - e.g. if you force a Mikrotik port to 100 Mb full duplex the Cisco port will speed sense to 100 Mb but adopt half duplex which will kill the throughput on that link.

Mikrotik? Any comment on this?

Has it been reproduced yet?

I'm seeing the same issue on a 951G.

Hello all,

I am experiencing the same auto-negotiation issue with 951G-2HnD RouterBoards. I am an IT Technician working for a Broadband reseller, and recently we have decided to trial MikroTik products. Today I was configuring a FTTC 80/20 connection for one of our clients who has an ECI Modem (B-FOCus V-2FUb/r Rev B) supplied by BT. The 951G-2HnD is only negotiating to a 10Mbps link with the modem, and with auto-neg. switched off it only works with 10Mbps selected. Nevertheless I had to revert back to the Draytek router we've been using.

We are quite fond of the RouterBoards capabilities and cost effectiveness, so a solution for this issue would be greatly appreciated as we'd like to use them in the future.

Model : 951G-2HnD
Current Firmware: 3.04
Current Version: 5.24

I had the same problem on an RB2011 today. I put a 5 port switch in between, but this isn't ideal for various reasons.

Is there any update on this ticket MT please?

We were using the 2011's pretty exclusively as FTTC terminators and now they are completely out of the window and we have being forced to use a competitors model as this is just silly after founr months. I have a bay full of 2011's that are about to be returned to the distro if not..

I cannot comment much about it, but there is a progress regarding this problem and it should be fixed soon.

I cannot comment much about it, but there is a progress regarding this problem and it should be fixed soon.

That would be very nice, it's quite the irritating problem!

Update 5.25 released for MIPSBE but no mention of a fix. Disappointing.

Most likely, this will be fixed in RouterOS v6 next release (rc15)

Can you please make a fix in 5.x ???

I don't want to run BETA firmware to fix a small bug that should be repaired with the normal/stable firmware...

Can you please make a fix in 5.x ???

I don't want to run BETA firmware to fix a small bug that should be repaired with the normal/stable firmware...

It is not a small bug, but a major rewrite is needed. If we would add it to v5, it would make it exactly the same stability as v6

i've met problem like this - with RB493G vs RB411AH.
411AH set to auto, while 493G also - connect via 100mbps/Full
if i set 493G to 100fix/full, they won't negotiate.

i've met problem like this - with RB493G vs RB411AH.
411AH set to auto, while 493G also - connect via 100mbps/Full
if i set 493G to 100fix/full, they won't negotiate.

You need to set both devices to 100/full, because you disable the autonogotiation process when setting the port to 100/full.
ALWAYS configure both sides with the same speed and duplex settings!

maybe i'm wrong but if one device is set to forced 100fdx - the other is auto, they should link. don't they?

maybe i'm wrong but if one device is set to forced 100fdx - the other is auto, they should link. don't they?

It all depends on the "other" device. If you set a Mikrotik port to 100 Mb FD and connect it to Cisco gear the Cisco gear will speed sense the 100 Mb but will select half duplex. The general rule is either use auto-neg or manually set *both* ends.

OK,i've tried 493G vs 411AH
to auto only on 411AH side and 100FDX on 493G side - no success
i've also tested 100FDX fixed on both side, no success.
what is even stranger: 411AH shows link, while, 493G not shows link.

Some devices (cisco, but probably more) also disable auto-mdi when disabling autonegotiation. So you probably need to use a cross-cable.
Please use only autonegotiation. If that doesn't work your cable might be bad.

V6.0 released today
Does anyone know if there is a fix for this included?

V6.0 released today
Does anyone know if there is a fix for this included?

Do not expect too much.

Do not expect too much.

Quite right. I tried it last night with no joy.

I looking to buy a RB2011UAS-RM ... guess I should wait? It will be connected to a Motorola SB6141 (WAN) and a HP V1910-16G Switch (LAN).

just do the purchase, it will work perfectly.
or not.
but we don't know until you report it here

Wow it's been a long time since I posted this!

Just upgraded to v6.0 and the issue is not fixed.

We're getting by using forced 100MB half duplex

Still looking forward to a fix

I'm also experiencing issues I believe are associated with the auto-negotiation problem. When I connect the sfp on the RB2011 to an spf port on a Netgear GSM7312 switch it will not bring up a link. Every other switch I have in the office with an SFP port will work just fine, even the layer 2 version GSM7212.

I've tried setting both sides to 1000/full but it wont pass traffic, but if I recall you cannot specify a rate and duplex for an SFP. I'm using mikrotik modules and can verify that the configuration works with other switches. I hope this gets resolved soon, I have a several GSM7312's in production and cannot deploy RB2011's until it gets corrected.

Hi there,

We use MT7 51G for some FTTC connections and are seeing an issue when connecting to BT VDSL modems made by ECI where the interface comes up at 10Mbps Full-Duplex. We see this in both RouterOS 5.2 and 6.0. Anyone else seeing the same issue using the 751G? Any workarounds found (other than placing a switch in between the devices)?”

thank you in advance

Hi again,

I just wanted to make a quick amendment to the above post - the RouterBoard we are actually experiencing the issue is the 951G - not 751G

thanks,

M.

MarekG:

we made some test with the following devices:
433GL, 2011, 600, 493G (we have some more devices what we can test)

if all set to auto - they are syncs.

If any of the devices (or both) set to 1000 fdx, than only 2011 vs 600 links, others are not.

I'm interested if any of you have tested this - and wish to test the above with 750G, SXT with Gig, 450G etc

So 6.1 is out. No sign of a fix.

This is starting to get very frustrating. I'm a first time buyer of Mikrotik and have good things about the products. However I bought this unit back in February and 4 months later I'm still unable to use it. I appreciate that this is a bit more involved than a simple patch but is there any idea when this will be fixed?

I just tried 6.1 on a RB2011UAS-RM and an older RB2011UAS-IN, and still have the same issues. I understand that any new product will have bugs, but this issue should be priority as it makes these devices completely unusable.

I upgraded to 6.1 too, it broke my IPSEC VPNs and didn't fix the issue.

We already fixed this issue with auto negotiation on RB2011 with Cisco devices, it is in the Changelog too. Apparently you both have some other brand of devices and the problem is slightly different. We need more info to fix this.

Wow, I'm assuming from this that no one is looking into this issue. Nowhere in this thread does it mention Cisco. It clearly states ECI and Huawei devices. Mikrotik have confirmed that they ordered equipment to do testing with way back in March.
It's worth noting that this also affects the RB951G

Wow, I'm assuming from this that no one is looking into this issue. Nowhere in this thread does it mention Cisco. It clearly states ECI and Huawei devices. Mikrotik have confirmed that they ordered equipment to do testing with way back in March.
It's worth noting that this also affects the RB951G

Go back to the first page of this topic, it does mention Cisco in several posts by different people.

I stand corrected, some people did say they were having similar issues with cisco devices. However, this thread was started because of issues with the ECI device and later proved to also affect Huawei units. The fact that there has been a fix for Cisco is of little use to us. So I ask again, is this being looked at? When can we expect a fix? Do I give up hope and return the unit?

I stand corrected, some people did say they were having similar issues with cisco devices. However, this thread was started because of issues with the ECI device and later proved to also affect Huawei units. The fact that there has been a fix for Cisco is of little use to us. So I ask again, is this being looked at? When can we expect a fix? Do I give up hope and return the unit?

We still don't have your specific unit available for testing. it is not something that we can easily get. Are you willing to send one to us?

If there is someone who could provide remote access to RB2011 connected to ECI/Huawei modem for debugging purpose, please contact support@mikrotik.com

Hi Becs

I've sent and email to support as requested.

Many thanks

James.

After reading the thread I have checked my configuration.

I connect one 2011 to one 912 and it is showing 100 half duplex. I will try tomorrow different cables.

After reading the thread I have checked my configuration.

I connect one 2011 to one 912 and it is showing 100 half duplex. I will try tomorrow different cables.

Are you sure both sides are configured for auto-negotiation?

lorenzesz, upgrade firmware to 3.07 on RB912, it solves ethernet issues.

lorenzesz, upgrade firmware to 3.07 on RB912, it solves ethernet issues.

What version of the ROS is providing firmware 3.0.7? What ethernet issues are being fixed by it and on what hardware?

Firmware for rb912G is there:
http://routerboard.com/fwf/184/ar9340-3.07.fwf

Does anyone know if 6.2 fixes this? I've left by RB at work so can't test until next week.

Support, is there any update on this?

Thanks

Tried 6.2. Connected at 1Gb! Yay! Hopefully the rest of you get the same results.

Thanks Mikrotik Support!

Oh no false alarm, my switch was still inline.

Oh no indeed

I thought they'd used remote access into your system to test the modem?

Were there no discussions/conclusions at the time??

This issue affects every VDSL installation in the UK at the moment

Oh no indeed

I thought they'd used remote access into your system to test the modem?

Were there no discussions/conclusions at the time??

This issue affects every VDSL installation in the UK at the moment

If you are a that large of customer then the MT will fix that issue in no time. Just contact the support.

I thought they'd used remote access into your system to test the modem?

Were there no discussions/conclusions at the time??

Remote access was granted but support could not glean any valuable info as it required downing the gateway port which they obviously couldn't do remotely. The best they could do was have me send a support file to them, which I did. That was the last I heard, despite asking for an update since. That was over a month ago.

Emailed again for update.

I am having this issue with two Lenovo Laptops aswell .. a R500 with Dockingstation and a T61 are often connecting with 10M FD only .. re-plugging the cable sometimes fixes it ..

- brainy

Soooo 6.3. Place your bets.

Just got new revision RB2011UAS-RM. Zyxel ADSL-modem(s) also affected (Model No. ZyXEL P-660RU EE). Huge number of FCS Errors and max. 500kbps RX on that port. Both GE and FE ports affected. Sometimes disabling Auto-Negotiation helps but really rare when works without FCS errors. Several times enable/disable ports required form proper connection. Tried with ROS 6.3, no change.
P.S.: I can send ADSL modem for testing if needed, because it is totally useless with RB2011.

No good. A fix for this would be nice.

Im seeing the same issue with 951G and BT OpenReach fibre (well VDSL) modem. Only works with auto negotiation switched on and negotiates 10M. ROS v6.3 + Firm 3.08.

Modem is ECI Telecom Ltd.
BT Item Code: 061513
Description: NGA ECI-CPE-MODEMS TYPE 1B
ECI Model: B-FOCus V-2FUb/I Rev.B
ECI Cat No: ON316132 Rev: 2A305
Date of Manufacture: 03/2012

Please fix.

6.4. Nope. This is comical.

What is the "official" word from Mikrotik on this problem? I don't really need my RB2011UAS to connect at Gigabit speeds but it would be nice if it did!

What happens if it's a hardware issue? Do we all get replacement Routerboards?

What is the "official" word from Mikrotik on this problem? I don't really need my RB2011UAS to connect at Gigabit speeds but it would be nice if it did!

What happens if it's a hardware issue? Do we all get replacement Routerboards?

As long it is a non-issue for the MT you can not do nothing much. Wait for the warranty to expire and you get nothing even if they accept it as a HW fault.

Same problem with RB951 and VDSL modem/router.
Auto-negotiation for 10Mbit, but connection isn't working anyway.
No difference if set to manual speed/duplex.

Tested with ROS:6.2, 6.4, 6.5, fw: 3.07 - 3.10

Same here, 6.5 with 3.10, no good. 8 months and counting.

Just had FTTC installed here and went from a 15 Meg ADSL2+ connection to a 10 Meg VDSL2 connect because of this issue! Again using an ECI B-Focus V-2FUb/r Rev.b modem and RB951G, running ROS 6.5 with firmware 3.10. Routerboard will only connect at 10 Meg, taking off Auto negotiation does not help as link state is only achieved when set at 10

VDSL sync rate is 40 Meg

Temporary got round issue by putting a cheap switch in between modem and Routerboard. I have a spare modem and I *could* post it, depending on cost.

Same problem here with 951G devices.

Same problems here with a 951G with the BT FTTC router, is it confirmed that this issue is being addressed for this combination of hardware?

Thanks
Will

Same problem here with the 951G and the BT FTTC router, has it been confirmed that this is being addressed by Mikrotik for this combination of hardware?

I'm having this problem too on a 951G-2HnD routerboard with a BT VSDL modem (ECI Telecom, B-FOCuS v-2FUb/r Rev.B, ECI Cat No: 0N316150). I'm on the latest firmware/OS and I'm unable to manually set the port speed as this results in disconnections (http://p.rig.gr/view/raw/01663319).

Logs from startup:
I've sent this information, along with a support.rif file and some extra info, to support@mikrotik.com a few days ago, but I've not heard anything back yet.

Pretty disappointing really as this makes my 40/10 FTTC pointless. If they can't issue a fix soon I'll have to return/sell my Routerboard and further purchases won't be forthcoming.

Just received this from Mikrotik support:

Hello,

Recently, the RB2011 and RB951G Gigabit port connection has been tested with this
particular device and a hardware related incompatibly was found.
This problem is addressed and fixed for all new RB2011 and RB951G, unfortunately,
it is not possible for old ones.
Sorry for inconvenience this have caused.

Regards,
Janis Becs

So I guess that's that.

Bad news chaps. I've just had an email from support.

Recently, the RB2011 and RB951G Gigabit port connection has been tested with this
particular device and a hardware related incompatibly was found.
This problem is addressed and fixed for all new RB2011 and RB951G, unfortunately,
it is not possible for old ones.
Sorry for inconvenience this have caused.

Just received this from Mikrotik support:

Hello,

Recently, the RB2011 and RB951G Gigabit port connection has been tested with this
particular device and a hardware related incompatibly was found.
This problem is addressed and fixed for all new RB2011 and RB951G, unfortunately,
it is not possible for old ones.
Sorry for inconvenience this have caused.

Regards,
Janis Becs

So I guess that's that.

It is not that simple an answer. It does indicate a hardware issue and not just a software one. What is the fix? We need closer explanation of what is that all about, because there are similar and somewhat related ethernet issues with the MT gear (the ethernet port flapping for instance) and that is not just a mere inconvenience.

... that is not just a mere inconvenience.

It's more than mere inconvenience! It's turned my 40/10 FTTC into 8/1 at best.

I've got an RMA processing for the router now. I won't be buying again.

I queried options for return. This is what I got. No news yet for 951G owners but I don't hold out much hope.

Using RB2011 it is still possible to establish 100Mbit link with BT modem by using
ether6-ether10 ports.

This incompatibility is not caused by defect in any way, therefore warranty does
not cover it.

I'm utterly astounded at the lack of support/customer service from Mikrotik. I bought this unit way back in February and it has been gathering dust ever since due to it being completely useless with BT Infinity. I've hung on this long for a fix to be issued, only to be told that not only will there not be a customer installable fix, but that I have no right to ask for a replacement unit which does have the fix. Which ever way you cut it, the device I bought in good faith has been proved to be not fit for purpose and I'll be damned if I'm buying another one.

First time and now last time Mikrotik purchaser.

Using RB2011 it is still possible to establish 100Mbit link with BT modem by using
ether6-ether10 ports.

This incompatibility is not caused by defect in any way, therefore warranty does
not cover it.

If the incompatibility is not a defect, then why is it fixed in later hardware revisions (per the message that some of us received above).

It has to be faulty, and if you took them to a small claims court I believe you'd get your money back that way (though IANAL).

http://www.moneysavingexpert.com/reclai ... aims-court

I'm about to purchase a few RB2011UAS-RM units. What can I ask my supplier to be sure I'm getting the new generation of RB2011UAS-RM devices that doesn't have this bug? I cannot work with a device with such problem, it would be an expensive paper weight.

If the incompatibility is not a defect, then why is it fixed in later hardware revisions (per the message that some of us received above).

My thoughts exactly.

Well, two things, I have the RB1100AHX, and it has this auto negotiate issue and FCS errors on ETHER 1, but connected it to EtHER 4 and it doesn't, well I should say so far, as to why I do not know.

Also this would explain why the RB1100AHX's went on sale for about half the price in the recent past. So, don't buy them when they are on sale, you are probably getting a bad one.

MT, this does suck, this should be a warranty issue, and we should all get new boards!

p.s I have two of these paperweights.

I queried options for return. This is what I got. No news yet for 951G owners but I don't hold out much hope.

Using RB2011 it is still possible to establish 100Mbit link with BT modem by using
ether6-ether10 ports.

This incompatibility is not caused by defect in any way, therefore warranty does
not cover it.

I'm utterly astounded at the lack of support/customer service from Mikrotik. I bought this unit way back in February and it has been gathering dust ever since due to it being completely useless with BT Infinity. I've hung on this long for a fix to be issued, only to be told that not only will there not be a customer installable fix, but that I have no right to ask for a replacement unit which does have the fix. Which ever way you cut it, the device I bought in good faith has been proved to be not fit for purpose and I'll be damned if I'm buying another one.

First time and now last time Mikrotik purchaser.

If you bought it from us, you can RMA it.

Nick.

If you bought it from us, you can RMA it.

Nick.

Thanks Nick. As it happens I did buy it from you guys. You'll have to forgive me, but what's RMA?

You'll have to forgive me, but what's RMA?

Return merchandise authorization

Return merchandise authorization

Done. Thanks. Soooo I guess the next question is...if I return this one, and order another one, how do I know I won't be sent another duff one?

I've just been testing FTTC modems with 2011s and 951Gs and the new Cloud Router Switch

I have found that the stock we have of 951G-2HnD, RB2011UiAS-RM, and RB2011UAS-2HnD-IN will all connect at 100 Mbps full duplex on their gigabit ports when using the Huwaei.

However they will not work properly with the ECI. They end up with 10Mbps full duplex

The new Cloud Router Switch is happy to negotiate 100 Mpbs full duplex with both Huwaei and ECI FTTC modems.

Edit:
Just tested 951Ui-2HnD and they work fine with ECI and Huwaei

Hope that helps

Nick.

This problem still exists on the RB9xx series equipment.

http://forum.mikrotik.com/viewtopic.php?f=3&t=79260

However they will not work properly with the ECI. They end up with 10Mbps full duplex

Ah that's not good. Just my luck to have an ECI modem. So I guess my option is to replace the modem or sack off the RB951 all together.

I've had a bit of a brain wave. I don't want to power 3 devices so I've been looking at PoE capable 100mb switches to kill 2 birds with 1 stone as it were; make the RB connect to the ECI modem at 100mb and power the RB without an additional plug.
That got me thinking, would one of these achieve the same?

http://routerboard.com/RBPOE
Or
http://routerboard.com/RBGPOE

As loathed as I am to buy another Mikrotik product, at a couple of quid it would be much cheaper than a PoE switch.

Just received this from Mikrotik support:

Hello,

Recently, the RB2011 and RB951G Gigabit port connection has been tested with this
particular device and a hardware related incompatibly was found.
This problem is addressed and fixed for all new RB2011 and RB951G, unfortunately,
it is not possible for old ones.
Sorry for inconvenience this have caused.

Regards,
Janis Becs

So I guess that's that.

(Bit of an old thread - but)
Anyone know how to determine the hardware "new versions" of the RB/2011UAS-2HnD-IN ?

I've just fallen into this one - the BT Openreach modem and the Mikrotik bouncing around and negiotiating 10mbit on the gig ports.

So I reconfigured to use ether10 (10/100) without issue.

Bit of a pain when the pppoe wizard doesn't automatically add a "input drop" for the pppoe-out1 device tho - leaves the whole thing open to the internet!

Just received this from Mikrotik support:

Hello,

Recently, the RB2011 and RB951G Gigabit port connection has been tested with this
particular device and a hardware related incompatibly was found.
This problem is addressed and fixed for all new RB2011 and RB951G, unfortunately,
it is not possible for old ones.
Sorry for inconvenience this have caused.

Regards,
Janis Becs

So I guess that's that.

(Bit of an old thread - but)
Anyone know how to determine the hardware "new versions" of the RB/2011UAS-2HnD-IN ?

I've just fallen into this one - the BT Openreach modem and the Mikrotik bouncing around and negiotiating 10mbit on the gig ports.

So I reconfigured to use ether10 (10/100) without issue.

Bit of a pain when the pppoe wizard doesn't automatically add a "input drop" for the pppoe-out1 device tho - leaves the whole thing open to the internet!

I would also love to know this. I've got a RB2011UiAS-RM that Mikrotik was unwilling to replace which will not autonegotiate with all of my devices, and I've been holding off replacing it because I have no way to tell if a new one will be fixed or not.

Just a quick one.

We had the same issue with Mikrotek routers and BT ICS modems.

Our fix was to set the ICS modem to a fixed bitrate and full duplex.

Now they connect at 100M via eth1 on the router.

Hv.

I had to move my Samsung SUHD TV from switch 2 to switch 1 to be in the same subnet as my phone without a bridge, and I cannot get it to DHCP even if I disable 1000Mbps on the RB2011 port, like I had to do on switch 2 successfully.

No good, attempting the move to switch1 resulted in total TV networking failure when putting it back in switch2.

I had to factory reset the TV, find out how to pair the smart remote again, and reconfigure the whole TV setup again.

The link appears established and it seems a lease is being offered but not being taken by the TV.

The weird thing is that this problem happens only on switch1, even without master port.

It also does not connect if I use static settings.

Was this ever resolved, or did Mikrotik shove it in the too hard basket?

We have this on 2x RB2011-RM's. Both switch groups flapping.

Actually, read up and see it was a hardware fault. So how do I tell what version of the 2011 it is?

+1
Same Problem here with RB3011 and v6.37.2
Have a VDSL2 50/10 with Draytek Vigor 130 as DSL Modem

- If I use Auto-Neg it says 1G but I only get about ~30Mbit/s or less from WAN
- If I set it to 100M Full I get about 48-50 Mbit/s

I've also a very strange behavior with Netflix because the website itself is working, but the steam does not. Doesn't matter if I use the website or the iPhone app....

Update Netflix:
Seems, that I might have a problem with fragmentation. If I reduce my MTU on my Windows 10 client from 1500 to 1451 it works fine.

Constellation:
((DSL Modem - MTU1500)) -> VDSL VLAN7 -> ((MTU1500 - Mikrotik RB3011 - MTU1500)) -> ((MTU1451 Client))

Have you solved the issue yet? Because I am having the same kind of issue

2023... ROS 7.11.2, latest 6.49.8, 6.49.10, 6.48, 6.28
rb2011uias-2hnd-in that was bought 3 (? don't remember) years ago.
10/Full with a ton of RX Dribble bit errors on a device when autonegotiation is on, ton of linkdowns, dhcp receives request from device, sending offer but no luck. So device ever get an IP by cable (by wifi is ok) and can't be used. Very short 1Gbit cables tested, all ports tested - works with other devices ok. But not that particular one. Device is 100% ok, because it succesfully autonegotiates as 100/Full with other non MT routers.
It' a pain in the back middle part of the body.
Raised support ticket but "it's physical connection problem, not MT, issue closed". Damn.

As someone said there that his device works only at ether10: I've tested previously just ethers from 2 to 6 without luck and stopped changing ports, because all was identical. But now I've inserted it in ether10 and what? It started to work at 100/Full as a lightning. It started to work at all! What a?..