Community discussions

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by r00t
Sat Jul 20, 2019 5:44 pm
Forum: Announcements
Topic: v6.45.2 [stable] is released!
Replies: 78
Views: 8560

Re: v6.45.2 [stable] is released!

Sysadmins that know Mikrotik well also know not to update anything for a few days after release or to do updates on non-critical test HW first. It's always nice to see a new release, but then I always have to check the forum to see how broken it actually is... that's the reality. But Mikrotik is als...
by r00t
Fri Jul 19, 2019 8:31 pm
Forum: Announcements
Topic: v6.45.2 [stable] is released!
Replies: 78
Views: 8560

Re: v6.45.2 [stable] is released!

"Stable" ? More like "Totally untested". Glad I checked the thread before updating RB4011, I would have lost remote access by doing that. This really raises the questions... do Mikrotik actually test the release version in their lab before releasing it? If it was some exotic bug that happens when ru...
by r00t
Thu Jul 18, 2019 2:59 pm
Forum: General
Topic: NTP Server ... which interface?
Replies: 2
Views: 186

Re: NTP Server ... which interface?

NTP server seems to be listening on all interfaces. Have to use firewall to limit access...
by r00t
Thu Jul 18, 2019 2:57 pm
Forum: Beginner Basics
Topic: old hardware market
Replies: 3
Views: 304

Re: old hardware market

In most cases where Mikrotik HW failed, it have always been due to damage from thunderstorm or similar disastrous event. In remaining cases it was all due to bad capacitors on board that bulged and had to be replaced. This happens mostly on RB4xx series. After replacing them the board continues to w...
by r00t
Thu Jul 18, 2019 2:41 am
Forum: Beginner Basics
Topic: Extension ETH2 and ETH3
Replies: 1
Views: 193

Re: Extension ETH2 and ETH3

Can't be easier: create bridge and add both ports to it. Just make sure you update other settings so it uses bridge interface instead of ETH2.
by r00t
Wed Jul 17, 2019 4:02 am
Forum: Wireless Networking
Topic: WiFi powOS Wireless Chip Tx Power Tx Power (dBm) Total Tx Power (dBm) Antenna Gain Cer reduced after upgrade to RouterOS
Replies: 1
Views: 167

Re: WiFi powOS Wireless Chip Tx Power Tx Power (dBm) Total Tx Power (dBm) Antenna Gain Cer reduced after upgrade to Rout

Mikrotik started enforcing compliance and power levels for selected country. If you don't care about these limits, you have following options: 1) set country to no_country_set and then you are free to do anything you want with power and channels. But note that some clients will be unable to connect ...
by r00t
Wed Jul 17, 2019 3:51 am
Forum: Wireless Networking
Topic: RB953GS-5HnT-RP (3 x mimo) with dual pol antenna?
Replies: 2
Views: 205

Re: RB953GS-5HnT-RP (3 x mimo) with dual pol antenna?

yes, you can disable the chains in wireless configuration. Also you can choose different combination for receiving and transmitting. Not 100% sure about connector numbering, but you can easily test that: select only one chain and then run Snooper on the interface - it only listens, not transmits, so...
by r00t
Tue Jul 16, 2019 7:18 pm
Forum: RouterBOARD hardware
Topic: Powering the Groove via 12v direct by cutting the transformer off
Replies: 3
Views: 289

Re: Powering the Groove via 12v direct by cutting the transformer off

12V is perfectly fine, even with some loss on the cables. Groove internally converts the voltage to 3.3V and lower, so it really doesn't need high voltage on POE input. But you have to make sure it's solid and doesn't drop when more current is drawn when transmitting etc. Datasheet for Groove says 1...
by r00t
Tue Jul 16, 2019 7:09 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: 802.11ac Wave2 Support?
Replies: 20
Views: 3835

Re: 802.11ac Wave2 Support?

Nothing changed
by r00t
Mon Jul 15, 2019 11:16 pm
Forum: RouterBOARD hardware
Topic: Netinstall doens't work on RB951 that reboot every 9s
Replies: 4
Views: 350

Re: Netinstall doens't work on RB951 that reboot every 9s

Here are the UART pins on the PCB (2x2 in the middle): .jpg They are labelled, so you know where to connect what: You need GND, RX, TX. Board RX ===> USB2TTL TXD Board TX ===> USB2TTL RXD Board GND ===> USB2TTL GND And you want to use USB 2 TTL adapter like this: a.jpg It should have a jumper to sel...
by r00t
Tue Jul 09, 2019 3:43 am
Forum: RouterBOARD hardware
Topic: Netinstall doens't work on RB951 that reboot every 9s
Replies: 4
Views: 350

Re: Netinstall doens't work on RB951 that reboot every 9s

I suppose you can't RMA them (it's too late), so it's time to open them and look inside: Inspect all electrolytic capacitors on board, closely (with magnifier). Any signs of bulging, leaking or discoloration of PCB around them means they have to be replaced. You can also try hooking up TTL UART to g...
by r00t
Wed Jul 03, 2019 4:10 pm
Forum: Beginner Basics
Topic: What is the best outdoor wireless access point
Replies: 9
Views: 646

Re: What is the best outdoor wireless access point

Each container will work as it's own faraday cage, blocking all (or most of the) outside signals - which is ideal. Also for such short range, make sure you don't over-do it with tx power (you want to just fill the container, but not to be heard far outside). Frequencies can then be reused easily. Fo...
by r00t
Tue Jul 02, 2019 3:43 pm
Forum: Beginner Basics
Topic: hEX (RB750Gr3) Serial Console
Replies: 8
Views: 746

Re: hEX (RB750Gr3) Serial Console

Sadly there is UART on the board (you could solder the connection) but it's not enabled in ROS and thus not usable by user.
So only way is to use usb to serial converter and after it appears in Ports, enable Console on it.
by r00t
Sat Jun 22, 2019 5:21 pm
Forum: Scripting
Topic: Script to releases memory
Replies: 5
Views: 467

Re: Script to releases memory

There is no such command to magically free memory. If it's being used, it's probably needed for what router is doing. Memory might be used by some interfaces or functions (conntrack), so it's possible that disabling interfaces or some functions may free some memory, but that will also break what is ...
by r00t
Fri Jun 21, 2019 3:52 pm
Forum: Announcements
Topic: MikroTik News June 2019 (Issue #89)
Replies: 37
Views: 8154

Re: MikroTik News June 2019 (Issue #89)

16Mb Flash is maximum for QCA9531 Qualcomm CPU.
This really sucks.
Maybe look at the possibility of having microSD slot or moving ROS system partition to USB stick (and having USB port on the device itself in a first place...)?
by r00t
Thu Jun 20, 2019 5:16 pm
Forum: General
Topic: Problems using AX8817X based USB-Ethernet adapters
Replies: 10
Views: 1003

Re: Problems using AX8817X based USB-Ethernet adapters

yes, you never know what you are going to get. Same case might contain various types of PCB or even same design with various "compatible" chips. I have seen some online reviews of USB LAN adapters and some were REALLY bad (worked, but linked only at 10Mbit/s and actual speed was a few kilobits/sec):...
by r00t
Thu Jun 20, 2019 3:53 pm
Forum: General
Topic: Problems using AX8817X based USB-Ethernet adapters
Replies: 10
Views: 1003

Re: Problems using AX8817X based USB-Ethernet adapters

I have two adapters that do work (note: tested on x86 ROS, drivers on other platforms may vary): usb2eth.png The moschip one is Hama 00049244-V2 Hama USB-2.0, I bought years ago in a store and it wasn't cheap (30 euro?). You can still find it but it's expensive: hama.jpg Second one is very cheap usb...
by r00t
Wed Jun 19, 2019 4:17 pm
Forum: Announcements
Topic: MikroTik News June 2019 (Issue #89)
Replies: 37
Views: 8154

Re: MikroTik News June 2019 (Issue #89)

Nice. Now bring two GigE LAN ports to all 60GHz gear. WAP ltAC shows how it can be done.
by r00t
Tue Jun 18, 2019 9:04 pm
Forum: General
Topic: ATAQUE Firmware 3.41
Replies: 7
Views: 486

Re: ATAQUE Firmware 3.41

Firmware version is not same as ROS version. There are no known vulnerabilities in firmware. Also you don't have to update it if everything is running fine, it's normal to run firmware with version different to ROS system version.
by r00t
Sat Jun 15, 2019 3:34 pm
Forum: General
Topic: SSTP over 1 Gbps link bad performance
Replies: 4
Views: 386

Re: SSTP over 1 Gbps link bad performance

Also running tunnels over TCP is bad for performance and latency. Try IPSEC and results should be much better... hardware crypto offload will work and there will be no TCP to cause issues.
by r00t
Thu Jun 13, 2019 3:52 pm
Forum: Virtualization
Topic: 951Ui-2nD MetaRouter [SOLVED]
Replies: 5
Views: 492

Re: 951Ui-2nD MetaRouter [SOLVED]

It might be fun exercise to netboot metarouter from network, loading only small PXE client locally...
by r00t
Fri Jun 07, 2019 6:16 pm
Forum: Wireless Networking
Topic: [ETA] new wireless driver?
Replies: 3
Views: 499

Re: [ETA] new wireless driver?

beta of ROS might be released by end of the year... but no one knows what boards or hardware it will support (could even be CHRlike test with no wireless), so answer is "some time in the future", no official ETA was ever given
by r00t
Thu May 30, 2019 5:27 pm
Forum: General
Topic: No interfaces - RouterOS x86 10G SFP+ Intel 82599EB
Replies: 2
Views: 691

Re: No interfaces - RouterOS x86 10G SFP+ Intel 82599EB

Many recent drivers aren't included in x86 ROS, it haven't been updated for a long time and I don't expect this to change. Buying hardware that is supported is like playing Russian roulette, there isn't even official list of supported hardware. There is small hope that ROS 7.x will use more modern k...
by r00t
Wed May 29, 2019 2:32 pm
Forum: RouterBOARD hardware
Topic: RouterBoard SXT 5HPnD Boot Looping issue
Replies: 1
Views: 136

Re: RouterBoard SXT 5HPnD Boot Looping issue

Use netinstall to recover it. That should help unless it's some hardware damage (failed nand chip etc.)
by r00t
Tue May 28, 2019 2:41 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: Feature request : USB wifi support
Replies: 3
Views: 1748

Re: Feature request : USB wifi support

Limited support was in ROS v5 (or was it v4?), but that was removed. And I don't expect it to ever return. There's so many usb wifi devices and Mikrotik insists on writing their own drivers. I would rather see them focus and spend all their time on hardware they are selling (RB4011 5G WIFI fix when?...
by r00t
Sat May 25, 2019 6:04 pm
Forum: General
Topic: IP based pan-tilt rotator for microwave dish & camera
Replies: 4
Views: 259

Re: IP based pan-tilt rotator for microwave dish & camera

interesting idea... few points: 1) when looking for rotator, you have to deal with wind loading as well, so unless it's quite small dish, usual PTZ mounts will not do (they might work for <0.5m dish, but not more) 2) heavy-duty az/el rotators are quite expensive (google "SPID rotator" and you will s...
by r00t
Fri May 24, 2019 2:55 am
Forum: Virtualization
Topic: How do i reinstall mikrotik license in new X86 VM
Replies: 3
Views: 596

Re: How do i reinstall mikrotik license in new X86 VM

Often for VMs, disk serial numbers aren't really unique, so if you are lucky, newly created one will be same as the old one. You can try imaging complete old disk (some part of license is stored somewhere on disk as well, it must match the disk) and then restoring it into exactly same new one (boot ...
by r00t
Thu May 23, 2019 7:24 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: OpenVPN SHA256 + UDP
Replies: 35
Views: 18971

Re: OpenVPN SHA256 + UDP

State of OpenVPN in ROS 6.x is pretty much WONTFIX and other long OpenVPN UDP thread got locked up.
For any new features we have to wait for ROS 7.x (who knows how long) or just buy other hardware that does what you need today...
by r00t
Wed May 22, 2019 3:21 pm
Forum: Wireless Networking
Topic: plz help my radios damages after rain
Replies: 1
Views: 188

Re: plz help my radios damages after rain

60ft tower will be picking up static electricity from all around, especially if there are no other tall buildings around. Basic steps are making sure radio is grounded, use shielded cables (STP) and antennas that are electrically shorted. If you search "grounding" here on forum, you will find some o...
by r00t
Mon May 20, 2019 7:53 pm
Forum: General
Topic: Mikrotik as XModem transmitter?
Replies: 3
Views: 231

Re: Mikrotik as XModem transmitter?

For routerboards, it's only used when updating BIOS and only on some models that do have HW RS232 port. Many recent boards do have UART pins on PCB, but no BIOS and doesn't even spawn console on it, so it's completely useless... And you are correct, AFAIK you can't upload files to ROS (like update p...
by r00t
Mon May 20, 2019 7:48 pm
Forum: Virtualization
Topic: SR-IOV PCI bypass
Replies: 2
Views: 278

Re: SR-IOV PCI bypass

New drivers haven't been added to x86 ROS for ages. Yes, there's a lot of hardware that simply doesn't work.
I don't expect this to change in any way for ROS 6.x, only hope is that 7.x will have better drivers, but who knows when that will be released...
by r00t
Mon May 20, 2019 3:19 pm
Forum: General
Topic: Mikrotik as XModem transmitter?
Replies: 3
Views: 231

Re: Mikrotik as XModem transmitter?

Set up serial tcp server in Mikrotik, then you can use any terminal that can do XMODEM and other transfers, like terraterm, to connect and do the job... It's even possible to create virtual COM port on windows PC that forwards all traffic to/from the Mikrotik box, very handy if you have to use some ...
by r00t
Wed May 15, 2019 4:49 pm
Forum: Wireless Networking
Topic: Mikrotik WLAN & CAPsMAN - Bad download perfomance
Replies: 46
Views: 4318

Re: Mikrotik WLAN & CAPsMAN - Spatial stream perfomance issue

You'd be in much better position with an (overkill) RB4011 WiFi and RouterOS 6.45, which enables all four chains correctly.
RB4011 have it's own set of quirks and issues, 5GHz WIFI is very much broken as you can see here: RB4011: wlan1 disabling itself
by r00t
Sat May 11, 2019 4:29 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: Got fq_codel yet?
Replies: 36
Views: 10426

Re: Got fq_codel yet?

Is fq_codel implemented in MikroTik RouterOS? no, it's not And answer to all problems and current issues is still exactly the same, like it was in the year 2015: thanks for the suggestion, we are looking into it for v7. currently you can use SFQ, which is also very good Four years later and we are ...
by r00t
Tue May 07, 2019 11:25 pm
Forum: General
Topic: RB2011UiAS-2HnD-IN replacement
Replies: 6
Views: 339

Re: RB2011UiAS-2HnD-IN replacement

RB4011 is best matching device for your requirements, at least on the paper. However as written above, make sure you check all the specifications as there are some small details that may break your config completely, like the switch chip capabilities. Also state of 5GHz WIFI on RB4011 is still bugge...
by r00t
Sat May 04, 2019 4:08 am
Forum: General
Topic: Access to the SFPs A0h Pages
Replies: 3
Views: 266

Re: Access to the SFPs A0h Pages

monitor command can only hex-dump eeprom addresses 0000 - 00ff
by r00t
Sat Apr 27, 2019 7:46 pm
Forum: Virtualization
Topic: Why is there not a CHR ISO for bare metal ?
Replies: 5
Views: 566

Re: Why is there not a CHR ISO for bare metal ?

Native CHR would be great and all they need to do is to build CHR with full Linux kernel with all modules that are available. Yes, it will make it much bigger, but we aren't talking embedded here. It's perfectly fine to have big fat kernel or thousands of modules. This would enable support for all m...
by r00t
Fri Apr 26, 2019 1:36 pm
Forum: RouterBOARD hardware
Topic: RB4011: wlan1 disabling itself
Replies: 161
Views: 15744

Re: RB4011: wlan1 disabling itself

if i'll change the original 2.4ghz minipcie adapter with, let's say, an intel 7260... will ROS recognize it? No, Intel wlan chipsets are unsupported in ROS. Only Atheros may work. Re same MACs: While this is probably another bug in RB4011, it's not the culprit for 5GHz WLAN troubles, because they h...
by r00t
Wed Apr 24, 2019 4:01 am
Forum: RouterBOARD hardware
Topic: RB4011: wlan1 disabling itself
Replies: 161
Views: 15744

Re: RB4011: wlan1 disabling itself

This should have been fixed long time ago. Bug like this just kills entire product. Meanwhile MK is still selling RB4011 WIFI version that's clearly flawed and part of it (5GHz WLAN) is completely unusable. It's easy to just say "if you don't like it, just RMA it and you get your money back"... yeah...
by r00t
Sun Apr 21, 2019 1:30 pm
Forum: RouterBOARD hardware
Topic: RB4011: wlan1 disabling itself
Replies: 161
Views: 15744

Re: RB4011: wlan1 disabling itself

If it's really the antenna gain setting, then manually lowering tx power would fix it as well. Antenna gain just limits maximum power to obey regulatory domain.
by r00t
Fri Apr 19, 2019 11:15 pm
Forum: General
Topic: /tool sniffer Code: 3 (Port unreachable)
Replies: 15
Views: 763

Re: /tool sniffer Code: 3 (Port unreachable)

Yes, this is the problem with TZSP and UDP. Often some packets get lost, meaning IDS can't inspect all of them. Also wireshark doesn't like it and some filters apply to the UDP TZSP stream instead of sniffed packets. It would be better to have an option to do port mirroring for bridges in ROS, where...
by r00t
Fri Apr 19, 2019 1:06 am
Forum: RouterBOARD hardware
Topic: 750 gr3 bin bios file
Replies: 5
Views: 471

Re: 750 gr3 bin bios file

I think your only hope is to read it out from other device. Mikrotik BIOSes can be downloaded as .fwf files and they are also stored in flash as such, but what you probably need is the "bios loader" code that loads these. Flash/NAND can be fully dumped from LEDE/OpenWRT and that can be booted of net...
by r00t
Wed Apr 10, 2019 10:38 pm
Forum: RouterBOARD hardware
Topic: Problem with Reset button on a Groove board !
Replies: 1
Views: 244

Re: Problem with Reset button on a Groove board !

Just short these two pads sticking out from the damaged button base, it should work. Make sure you don't touch anything around.
by r00t
Wed Apr 10, 2019 10:36 pm
Forum: Wireless Networking
Topic: LHG 60G experience
Replies: 538
Views: 55420

Re: LHG 60G experience

All Mikrotik 60G hardware is so far compatible, so you can mix LHGs and WAPs as you like. But don't expect it to work with other vendors, even if it uses common 802.11ad platform. Everyone is playing on it's own playground, there is no intercompatibility due to customized protocols and different ven...
by r00t
Mon Apr 08, 2019 4:28 pm
Forum: RouterBOARD hardware
Topic: place SIM cards 50m away from the modem
Replies: 2
Views: 508

Re: place SIM cards 50m away from the modem

Can't guarantee this to work, but it should as SIM card usually uses very low rate (kilobits/s) to communicate: add extension between the socket and SIM card, just wire them together over 50m of STP cable. Get two SIM card extension cables from China, then solder cable between them to make them long...
by r00t
Sat Apr 06, 2019 4:37 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: v6 RC and v7 BETA
Replies: 126
Views: 22533

Re: v6 RC and v7 BETA

I really hope they use v4 kernel, but MIkrotik is still selling devices with 16MB of flash (WHYYYYYYY you do this?!!!!)... so it's not looking good.
by r00t
Sat Apr 06, 2019 2:48 pm
Forum: Wireless Networking
Topic: RB433
Replies: 2
Views: 241

Re: RB433

If you only do the bridging, no CPU will be a bottleneck. Both groove and rb433 can do more than 50mbit/s in a bridge setup like this.
by r00t
Fri Apr 05, 2019 4:41 am
Forum: Wireless Networking
Topic: transfer Jumbo Packets with two RBwAP-60ad
Replies: 4
Views: 407

Re: transfer Jumbo Packets with two RBwAP-60ad

According to the https://wiki.mikrotik.com/wiki/Manual:Maximum_Transmission_Unit_on_RouterBoards ethernet can handle jumbo frames, but wireless can't. So you can't just bridge them, that will not work. You have to create PPPoE server on one side and client on the other, configured to pass the jumbo ...
by r00t
Thu Apr 04, 2019 7:58 pm
Forum: RouterOS v6 RC and v7 BETA
Topic: v6 RC and v7 BETA
Replies: 126
Views: 22533

Re: v6 RC and v7 BETA

Nice to see at least some reply regarding v7. Just want to say when it's ready enough to release some alpha version, please do so. Even if it's missing some features or doesn't work on some hardware, it would still be great to get some real world testing results. I can imagine wireless and various e...
by r00t
Wed Apr 03, 2019 4:33 pm
Forum: Beginner Basics
Topic: Best VPN for Mikrotik / RouterOS
Replies: 6
Views: 592

Re: Best VPN for Mikrotik / RouterOS

Best VPN is one you make yourself, host CHR somewhere and use native Mikrotik protocols (EoIP,IPIP,etc.) Generally avoid TCP based protocols (SSTP,OpenVPN) for performance reasons (single TCP connection), always prefer UDP ones (PPTP,L2TP,...). Obviously it all depends on what you are trying to do, ...