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wAPR-LTE-kit certified for AU use :-D
by Mike Everest 01 Mar '19

01 Mar '19

Apologies in advance if this is too close to 'commercial spruiking' for any - if you think it is, please do feel welcome to tell me about it on or off list :-} But since it is a topic that has come up from time to time, and because we have been working on it for more than 15 months (our case tracking database calls it 492 days and 4 hours ;) I just HAVE to shout it to the world :-D wAPR with built-in MikroTik LTE modem has finally cleared the last certification stage and is now certified fully compliant with all relevant AU regulations :-) Woohoo! :-D Cheers, Mike.

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B28 LTE modem success
by Jason Hecker (Up & Running Tech) 25 Feb '19

25 Feb '19

I have banged on a bit in the past concerning Telit miniPCIe LTE modules which work on Band 28 in a Mikrotik. A few months ago I bought a Telit LE910C1-AP from Glyn in Sydney to see if it came up in LTE mode on the Mikrotik seeing as a lot of work has been done to improve LTE in ROS. Alas, no joy so I left it. I recently saw mention of support for a Telit module in 6.44.rc1 so I decided to revisit the whole thing. It works! The Telit MiniPCI module is: Telit LE910C1-AP https://www.telit.com/wp-content/uploads/2017/11/Telit_LE910C1_Hardware_Use… It supports: LTE FDD bands 1, 3, 5, 8, 28 and HSPA+ bands 1, 5, 8 CAT1 speeds 10Mbit down / 5Mbit Up. With speedtest.net I got 9.62/4.86 (ping 29ms) Antenna: SRFL026 (single antenna - no diversity) https://antenova.com/wp-content/uploads/2016/05/Mitis-SRFL026-PS-1.1.pdf Price: $128 inc GST, shipping and patch antenna above as a kit from Glyn's webstore. Talk to these guys if you want to order one. http://www.glynstore.com/pages/Contact-Us.html Dean and Leo are always very nice and helpful with sales and support. A company I used to work for bought a lot of Telit 2G modules from Glyn. Mikrotik Board: RB411 ROS: 6.34rc2 Carrier: Telstra (Two B28 towers within 2kms of me) The board interface comes up as 'usb' in ROS which has 7 channels. I tested all the channels with a telnet client and the remote access setting in ROS using RFC2217. Eventually I discovered channels 4 and 5 respond as a serial interface and it responds to AT commands. For example ----- at&v DTE SPEED : 115200 DTE FORMAT : 8N1 GSM DATA MODE : Not Transparent AUTOBAUD : +IPRxxx00=NO COMMAND ECHO : E1=YES RESULT MESSAGES : Q0=YES VERBOSE MESSAGES : V1=YES EXTENDED MESSAGES : X1=YES LINE SPEED : F0=autodetect CONSTANT DTE SPEED : YES FLOW CONTROL OPTIONS : &K3=HW bidirect. ERROR CORRECTION MODE : RLP CTS (C106) OPTIONS : &B2=OFF while disc. DSR (C107) OPTIONS : &S3=PHONE ready->ON DTR (C108) OPTIONS : &D0=ignored DCD (C109) OPTIONS : &C1=follows carrier RI (C125) OPTIONS : \R1=OFF dur. off-hk C108/1 OPERATION : &D4=NO POWER SAVING ON DTR : +CFUN:1=NO DEFAULT PROFILE : &Y0=user profile 1 OK ----- Great! Obviously the mode of operation for this unit was going to be PPP. This is all you need to get it working in ROS: /interface ppp-client add apn=telstra.internet data-channel=4 dial-command=ATD disabled=no \ info-channel=5 name=ppp-out1 phone=*99# port=usb2 profile=Telstra The beauty of this you get to use the assigned carrier grade NAT IP address from Telstra (for example 10.98.250.114) instead of the double NATed address that comes off a lot of dongles. The RB411 has a sloooow 300MHz CPU so it takes a few minutes for the built in serial port and usb2 to come up in the System->Ports menu. Concerning also is when making changes to or enabling the PPP interface would sometimes fail with: "couldn't change interface <ppp-out1> - object doesn't exist (4)" which is baloney of course. A second attempt always seems to work. The next step is to try it out in a RBwAPR. There are faster CAT11 (more expensive) and slower Cat-M1 modules available too but I have yet to try these out. The LE910C1-AP seems good for those that need B28 at decent speeds for OOBE access or 4G failover in Mikrotik now that Sierra is a distant memory. The new Gen2 NBN routers from Telstra fail over to 6/1Mbit speeds so 10/5 seems OK to me for an industrial rated LTE modem. The module also supports and has connectors for a GPS and a 4G diversity antenna but I have yet to test them out. Jason Hecker

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Web Managed PDU's
by Paul Julian 11 Feb '19

11 Feb '19

Hi all, I am looking at some options for web managed PDU's, preferably 4 port. As we know, occasionally something locks up on a remote site or needs a reboot because an interface has locked up or something, we are looking to implement some remote controlled PDU's for our remote sites as an additional component of our out-of-band solution, has anybody had any good or bad experience with these and/or can recommend some that a reasonably priced and reliable ? Thanks Paul

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SNMP Query to Loopback
by Paul Julian 05 Feb '19

05 Feb '19

Has anybody got the later versions of ROS to respond from the correct IP when querying a loopback address with SNMP ? In 6.40 I think they implemented a source address option in the SNMP configuration but it doesn't seem to work on a Dynadish I am configuring at the moment. I am running the latest bugfix version and it seems to work ok on other devices like RB1100AHx4 but not on the Dynadish, not sure why there would be a difference. Any thoughts besides netinstall ? Not sure why it's giving me grief... Thanks Paul

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OSPF with BFD Issues
by Paul Julian 31 Jan '19

31 Jan '19

Hi All, We have just finished building a new virtualised MT core network which is running very sweetly indeed. We have OSPF running in the core to handle redundancy between core routers, we will also run OSPF between core routers and edge routers as we do now, however in the new core we decided to use BFD to improve failover times should a problem occur. In the core network OSPF and BFD have been stable for some time, no problems, however we brought our first new site into the core last night and BFD just wouldn't come up on the link. The link comes in on a VLAN to the core, nothing fancy, just OSPF interface with BFD enabled, and OSPF Network definition. OSPF came up fine, just BFD wouldn't. BFD was still up on all other OSPF interfaces on the core router, however when we disabled BFD on the new interface to the site it took down OSPF on the entire router, same when you enable it on just that interface. We have checked MTU's and everything we can think of but BFD just won't come up on this link. We even upgraded ROS to latest bugfix on both ends of the link, no change. Firewall rules allowing OSPF protocol and BFD ports have been setup also. I'm just wondering if anybody has come across this issue before, firstly the BFD not working, but secondly the entire OSPF area going down on the router just by enabling or disabling BFD on one static OSPF interface. Thanks Paul

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OSPF with backup paths
by Paul Julian 30 Jan '19

30 Jan '19

Hi all, Hoping somebody can offer a suggestion here. We run a number of sites with a single fibre back to our DC, we have a virtualised redundant core network there and want to take the fibre vlans to each core router for termination rather than just one so that we have redundancy in the core. We have a /30 going from each site to each core router and OSPF running at both ends. By using OSPF interface costs in the DC we can preference the traffic flow through one core router or another, but when there is only one interface at the remote site what's the options for preferencing that traffic flow coming back using OSPF ? Any suggestions would be appreciated. Thanks Paul

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Reliable RouterOS 4G Router
by Dave Browning 29 Jan '19

29 Jan '19

The LtAP Mini’s couples with EC25 seems to be a complete heap and unreliable. Our go to DUXCELL is no longer on the market. What are people actively using and know are solid? Band28 is relatively important too. Cheers, Dave

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How to get connectivity between VPN clients.
by Malcolm Faed 29 Jan '19

29 Jan '19

Hi all, I am attempting to get VPN connectivity between multiple SSTP Mikrotik VPN clients. I have set up a cloud hosted router (CHR v 6.42.11) on a hosing service. ($4 per month on Binary Lane) I can connect multiple clients and ping to the cloud router, but need to be able to obtain connectivity between clients. I have added the bridge to the profile and selected proxy-arp on the CHR bridge. Thanks for any assistance. Regards, *Malcolm Faed*Network Broadcast Engineer malcolm(a)avcomm.com.au Av-Comm +61 2 9939 4377 <++61+2+9939+4377> Unit 24 / 9 Powells Road, Brookvale - NSW 2100 avcomm.com.au [image: Twitter] <https://twitter.com/AvCommSatellite>[image: Google Plus] <https://plus.google.com/+AvcommAustralia/>[image: Youtube] <https://www.youtube.com/channel/UCO8ZtcnwoTH7e54LAndE-yw>[image: Linkedin] <https://www.linkedin.com/company-beta/6583589/> This e-mail message may contain confidential or legally privileged information and is intended only for the use of the intended recipient(s). Any unauthorised disclosure, dissemination, distribution, copying or the taking of any action in reliance on the information herein is prohibited. E-mails are not secure and cannot be guaranteed to be error free as they can be intercepted, amended, or contain viruses. Anyone who communicates with us by e-mail is deemed to have accepted these risks. Av-Comm is not responsible for errors or omissions in this message and denies any responsibility for any damage arising from the use of e-mail. Any opinion and other statement contained in this message and any attachment are solely those of the author and do not necessarily represent those of the company.

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SXTSq ac Radio problems
by Paul Julian 11 Jan '19

11 Jan '19

Hi all, Just wondering if anybody has experienced random reboots from the SXTsq ac radios with the new ARM chipset ? I have read about some woeful results when using NV2 on the MT forums and people also seem to have other issues, but can't seem to see any rebooting problems. We have only just started using them and the first one has been fine, 30 days uptime so far with no issues, but the second one just rebooted randomly about 5 times a day and the latency was all over the shop. We replaced it with a brand new one and it does exactly the same thing. Even after upgrading to latest long term OS and firmware no change, and I can't find anything in later version change logs which refer to any issues being fixed like this. We are only trying to use it in 802.11 a/n mode, not even ac, and we have tried 802.11 an NV2 options, connecting to an Omnitik. Power is OK as we are powering a powerbox from the same injector and power pack now with an old SXT ac connected to it, no reboots, no drops, working as expected. Any thoughts ? Thanks Paul

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RouterOS 6.40->6.42 upgrade didn't go so well.. How should things work now? :)
by Damien Gardner Jnr 29 Dec '18

29 Dec '18

Hey All, I have a bunch of CRS109's around the place which need to be upgraded from 6.40 to 6.42 The one in the living room which basically just does switching went fine. Silly me then went 'rad, lets do the core!'.. And all hell broke loose. After the upgrade, there was no bridge1 automatically created, and all my vlan interfaces were still on ether2-master. After much googling on my phone, and messing about, I have it mostly working, WITH RSTP turned off on the bridge I had to create, and with my VRRP interfaces shutdown, and the IP's from them moved back to the bridges they live on. However things are still quite hinkey, so I'm wondering how things SHOULD be setup post 6.41? So I currently have: + bridge_switchchip - vlan86 - vlan87 - vlan88 - vlan98 - vlan99 - vlan100 - vlan101 - vlan102 All ports are members of bridge_switchchip vlan100, is then a port in bridge_local, as that's our local LAN along with three wifi virtual-interfaces vlan102 is a port in bridge_vlan102, as that's the kids' LAN along with their wifi virtual-interface. it's also in a VRF along with one of the two pppoe dialers on this CRS The switch chip is then also doing a bunch of vlan rules: vlan87: ether1,2,5,6,cpu vlan98: ether1,5,cpu vlan99: ether1,5,cpu vlan100: ethernet1-8,cpu vlan101: ether1-3,ether5-7,cpu vlan102: ether1,2,4,7,cpu And it's also translating vlan100 to native vlan on ether2-5 SO... Pre 6.41, I simply had my vlan interfaces on the master port, had all my interfaces as slaves, and then configured my vlan mappings per port on the switch chip. I now have a bridge with all ports in it, and then vlans under that bridg.e However this seems to be causing problems since I have some of those vlans in bridges themselves? Disabling RSTP on bridge_switchchip let most things talk to most other things, although the kids VRF is not passing traffic as yet. I haven't shoved my own test box onto that network to diagnose it yet though. How SHOULD I be doing this? Should I be creating multiple bridge_switchip_vlanblah bridges, each with its own vlanid set? And only add the interfaces that should have those vlans to that bridge? Or is all this weirdness just a hassle with 6.42.9, and I should come off bugfix, and go to release? Thanks, Damien (Pulling my hair out, and considering pulling the config off my core CRS, and throwing it on the one in the garage that hasn't been upgraded as yet!!!) Damien Gardner Jnr VK2TDG. Dip EE. GradIEAust rendrag(a)rendrag.net - http://www.rendrag.net/ -- We rode on the winds of the rising storm, We ran to the sounds of thunder. We danced among the lightning bolts, and tore the world asunder

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