Community discussions

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by jcremin
Sun May 13, 2018 2:26 am
Forum: General
Topic: Kernel Failure in previous boot
Replies: 15
Views: 1799

Re: Kernel Failure in previous boot

heavyd and johnnyk, were either of you able to create and send supout files?

Just a quick update, I downgraded to 6.40.8 and I've gone a little over 24 hours without any kernel failure reboots.
by jcremin
Sat May 12, 2018 5:58 pm
Forum: General
Topic: Kernel Failure in previous boot
Replies: 15
Views: 1799

Re: Kernel Failure in previous boot

We have had such topics in forum repeatedly and the answer from us remains the same - it is not possible to determine cause of the issue through forum. Kernel Failure - something went wrong and device rebooted itslef. Only MikroTik support can tell the reason. You must send supout file from your ro...
by jcremin
Fri May 11, 2018 9:58 pm
Forum: General
Topic: Kernel Failure in previous boot
Replies: 15
Views: 1799

Re: Kernel Failure in previous boot

I just had another kernel panic on the 6.43rc11 version, so I would say the issue is probably not fixed. I'm probably going to downgrade to the most current bugfix version and see if that helps.
by jcremin
Fri May 11, 2018 6:10 pm
Forum: General
Topic: Kernel Failure in previous boot
Replies: 15
Views: 1799

Re: Kernel Failure in previous boot

Without inspecting supout files through support@mikrotik.com it is not possible to be sure what is the problem with your router. Just as suddenly as my problem showed up, it has stopped. Do you want me to send a supout file, or wait until it happens again and grab it right after? However, seems tha...
by jcremin
Thu May 10, 2018 11:51 pm
Forum: General
Topic: Kernel Failure in previous boot
Replies: 15
Views: 1799

Re: Kernel Failure in previous boot

I'm having similar issues. I have a CCR1009. It's been acting as my PPPoE concentrator for a couple years. About 3 weeks ago, I upgraded the ROS version to 6.42.1 to address the vulnerability. I didn't have any issues until yesterday after enabling OSPF/MPLS/VPLS on my network. About 12 hours later,...
by jcremin
Thu Dec 10, 2015 5:28 pm
Forum: Virtualization
Topic: Cloud Router
Replies: 4
Views: 2035

Re: Cloud Router

I have looked through a handful of threads, but most people who want it aren't saying exactly what they are using it for. I understand the potential uses for training and such, but on a server sitting in a datacenter or on an AWS service I'm not entirely sure what it would be used for and I'm just l...
by jcremin
Wed Dec 09, 2015 11:30 pm
Forum: Virtualization
Topic: Cloud Router
Replies: 4
Views: 2035

Cloud Router

So I am not entirely sure what someone would use a cloud hosted router for. I know there are some reasons, but if anyone can share what they would use it for, that would help me see some of the other possibilities that I might be interested in using myself!

Thanks,
Joe
by jcremin
Fri Nov 07, 2014 7:53 am
Forum: The User Manager
Topic: USER MANAGER ERROR: Your session has been reset due to inact
Replies: 50
Views: 20556

Re: USER MANAGER ERROR: Your session has been reset due to i

MK says is solved in 6.21
"userman - fix "Your session has been reset due to inactivity" error;"

checking...
Any word on if the 6.21 update did actually fix it?
by jcremin
Fri Jul 25, 2014 12:37 am
Forum: The User Manager
Topic: USER MANAGER ERROR: Your session has been reset due to inact
Replies: 50
Views: 20556

Re: USER MANAGER ERROR: Your session has been reset due to i

Anyone try 6.17 to see if it was fixed. my hopes are pretty low at this point because I don't see anything in the changelog about userman updates, but they don't always seem to get everything in the logs. Plus MT support keeps saying "fixed in future versions" but multiple versions have come out wit...
by jcremin
Wed Apr 03, 2013 6:52 am
Forum: RouterBOARD hardware
Topic: RB260GS ONU in GEPON network using SFP (TX=1310nm/RX=1490nm)
Replies: 4
Views: 2887

Re: RB260GS ONU in GEPON network using SFP (TX=1310nm/RX=149

I checked them out a little bit, but they don't have much documentation that shows any real specs. I'll keep digging, but if you find out more before me, be sure to post! :)
by jcremin
Tue Apr 02, 2013 7:56 am
Forum: RouterBOARD hardware
Topic: RB260GS ONU in GEPON network using SFP (TX=1310nm/RX=1490nm)
Replies: 4
Views: 2887

Re: RB260GS ONU in GEPON network using SFP (TX=1310nm/RX=149

Have you had any luck tracking down any SFP modules that will work with GEPON?
by jcremin
Fri Jun 01, 2012 5:56 pm
Forum: RouterBOARD hardware
Topic: My Setup, after reading many tips from this forum :)
Replies: 4
Views: 2929

Re: My Setup, after reading many tips from this forum :)

I didn't see you say what kind of battery charger you were going to use. Keep in mind that many standard chargers aren't designed to charge a battery AND power a load. Most will see the load and keep trying to charge the battery, causing it to cook. I'd recommend the Samlex 1230a for your charging a...
by jcremin
Fri May 11, 2012 5:53 am
Forum: Wireless Networking
Topic: FLR9G30 and XC900M
Replies: 15
Views: 2988

Re: FLR9G30 and XC900M

So far my results with the card have been somewhat mixed. I've also been chasing an interference issue on this tower, which hasn't left me with much time to do a before and after comparison. I do know the noise floor is being reported much better with the new card. I'll do some more testing one of t...
by jcremin
Tue May 01, 2012 6:34 am
Forum: Wireless Networking
Topic: FLR9G30 and XC900M
Replies: 15
Views: 2988

Re: FLR9G30 and XC900M

I was wondering if anyone has compared the old FLR9G30 and the new XC900M? I'd be curious to know the same thing. I tried out an FLR9G30 back when it first came out. It was better in some respects and worse in others. I gave up on it and stuck with the XR9's that I knew and trusted. I hear that the...
by jcremin
Wed Sep 14, 2011 4:37 am
Forum: Forwarding Protocols
Topic: OSPF routing with failover and backup
Replies: 5
Views: 6913

Re: OSPF routing with failover and backup

Thanks fewi! I implemented your suggestion of removing the default route on the upstream router and it works great! I also understand what you are saying about circuits that can cause flapping, but in my case, the DSL connection is slow and would be painful to leave customers on any longer than nece...
by jcremin
Sat Sep 10, 2011 12:12 am
Forum: Forwarding Protocols
Topic: OSPF routing with failover and backup
Replies: 5
Views: 6913

OSPF routing with failover and backup

I'm going to try my best to describe what I have without making it too complicated. Basically, I have two wireless links to another WISP who supplies me with my bandwidth. Both links connect to different water towers, which have an additional hop back to their main office where I have a Mikrotik 450...
by jcremin
Thu May 12, 2011 8:39 am
Forum: General
Topic: v5.2 released
Replies: 161
Views: 27668

Re: v5.2 released

I understand.. I wasn't necessarily speaking about his ticket specifically, but just an observation over the last few years I have been on this forum. It is obvious that quite a few people are having similar issues with 5.x leaking memory or something like that, so it surprises me that you aren't do...
by jcremin
Thu May 12, 2011 8:30 am
Forum: General
Topic: v5.2 released
Replies: 161
Views: 27668

Re: v5.2 released

Other people on this forum have no benefit if you just complain and don't inform MikroTik In the same way that nobody benefits by you complaining about a customer complaining about bug in your software. Sometimes it seems you spend more time insulting people for the way they asked a question than a...
by jcremin
Mon May 02, 2011 4:29 pm
Forum: Scripting
Topic: fail over - ping from interface
Replies: 3
Views: 16966

Re: fail over - ping from interface

Just came across this post and wanted to share what I use. I have the following script that is scheduled to run every 10 seconds { :global bandwidthsource :global switchseconds :if ($switchseconds>60) do={:set switchseconds 60} :if ($switchseconds<0) do={:set switchseconds 0} :if ($bandwidthsource="...
by jcremin
Mon Jan 03, 2011 8:22 am
Forum: RouterBOARD hardware
Topic: Confused about 711 and 711A
Replies: 5
Views: 1098

Re: Confused about 711 and 711A

Look on the sticker that has the mac addresses on it. If it doesn't say 711A, it is probably just a regular 711.

I know the first shipments of a new router sometimes have come with a better license on them. Maybe you just got one 711 from the first batch.
by jcremin
Wed Oct 20, 2010 9:48 am
Forum: RouterOS v6 RC and v7 BETA
Topic: New wireless protocol: Nv2 in v5.0beta5
Replies: 217
Views: 74734

Re: New wireless protocol: Nv2 in v5.0beta5

nv2 doesn't play nice. it wants the whole playground to itself. What happens if I share a tower with other WISPs? Are we now in a race to see who can implement NV2 first? If the other guys beat me to it, will my links become unusable? I've only tested NV2 twice... Both times using a tower which had...
by jcremin
Wed Oct 06, 2010 9:39 am
Forum: RouterOS v6 RC and v7 BETA
Topic: New wireless protocol: Nv2 in v5.0beta5
Replies: 217
Views: 74734

Re: New wireless protocol: Nv2 in v5.0beta5

Anyone tested on a 900mhz (xr9) setup .... had to back out as nothing would register on the AP (411AH) I have tried it a few times with really bad results. I have two 411A XR9 AP's on one tower running in 5mhz channels with regular nstreme enabled and 411's as clients. When I install 5.0 beta, thro...
by jcremin
Tue Sep 21, 2010 7:45 am
Forum: RouterOS v6 RC and v7 BETA
Topic: New wireless protocol: Nv2 in v5.0beta5
Replies: 217
Views: 74734

Re: New wireless protocol: Nv2 in v5.0beta5

WatchDog Timer will trigger if an IP address is specified, even though enabled is unchecked. There are actually two watchdogs, which isn't entirely clear from the winbox interface. One, controlled by the enabled checkbox, which monitors the router itself, and the ping watchdog, which monitors an IP...
by jcremin
Fri Jul 02, 2010 5:19 am
Forum: General
Topic: 12 months +
Replies: 13
Views: 1856

Re: 12 months +

I know this topic is a few months old, but I was just looking at some boards on my network and found this one...
by jcremin
Thu Jul 01, 2010 5:34 pm
Forum: RouterBOARD hardware
Topic: RB450G as POPPoE server
Replies: 8
Views: 1771

Re: RB450G as POPPoE server

Not really doing anything special. Port1 is my WAN to the internet, and port 2 is LAN to the rest of my network. PPPoE server runs on the LAN. Some static IP customers, most most are NATed from private IP's. I run Usermanager on the same board as my radius server for setting IP addresses and rate li...
by jcremin
Thu Jul 01, 2010 8:39 am
Forum: RouterBOARD hardware
Topic: RB450G as POPPoE server
Replies: 8
Views: 1771

Re: RB450G as POPPoE server

I run a 450G as my PPPoE server with around 230 tunnels right now. A few firewall rules and doing some routing. CPU averages around 15-20% with a load of between 5 and 10 megs. I'm sure it could easily go up to 500 active sessions with my config. Time will tell.
by jcremin
Tue Apr 20, 2010 8:03 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

I gave up on OpenDNS
Same here. No problems using Google's Public DNS service. Wasn't worth my time to keep fighting to find the problem.
by jcremin
Tue Mar 02, 2010 5:00 am
Forum: Beginner Basics
Topic: CPE RB411 XR9 Configuration Help
Replies: 3
Views: 949

Re: CPE RB411 XR9 Configuration Help

First thing you should do is read the documentation about how to configure a DHCP client on the wlan interface, and a DHCP server and pool on the ethernet interface.

You'll also want to setup NAT so the internal network can access the internet through the routerboard.
by jcremin
Thu Feb 18, 2010 8:14 am
Forum: General
Topic: Mikrotik PPPoE & Bridge Mode static ip traffic problem
Replies: 3
Views: 1095

Re: Mikrotik PPPoE & Bridge Mode static ip traffic problem

so, just enable "use ip-firewall" in bridge settings :D Enabling that causes queues (at least with pppoe) to not be enforced. I've seen it quite a few times and usually recommend unchecking the box. Sounds like he has two different ways that users have their bandwidth managed, and enabling or disab...
by jcremin
Sun Feb 14, 2010 11:06 pm
Forum: Wireless Networking
Topic: Mass Upgrading
Replies: 21
Views: 3880

Re: Mass Upgrading

So.... I'm not ready to upgrade to 4.5 (or whatever the version is by the time I'm ready) but I'm trying to put a plan together and I have a question.... I will be upgrading a lot of these routers from 3.17 (give or take). I'm assuming that I'll go to the newest 3.x version first, but for routerboar...
by jcremin
Sun Feb 14, 2010 8:40 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

MT has a DNS caching package. It just doesnt work with ONE provider. Yeah, this has gone off topic from the specific problem. While not directly related to the original topic, it still would be nice to have a little more dns functionality than what is currently offered. Sorry. I forgot to carry a 1...
by jcremin
Sun Feb 14, 2010 8:58 am
Forum: The User Manager
Topic: RB450G Good Enough for User Manager?
Replies: 2
Views: 1691

Re: RB450G Good Enough for User Manager?

My 450G is my PPPoE server, usermanager, firewall, etc, and at 200 users I'm averaging about 10% cpu usage. How much total bandwidth do you expect? That could be the big factor.
by jcremin
Sun Feb 14, 2010 8:47 am
Forum: RouterBOARD hardware
Topic: RB450 Capacitors problem?
Replies: 120
Views: 39112

Re: RB450 Capacitors problem?

any problem with the 450G version?
I'd also like to know if the "G" version has the same caps and potential for problems, or if this is limited to the plain 450.
by jcremin
Sun Feb 14, 2010 8:36 am
Forum: General
Topic: PPPoE users traffic are not limiting in MT ROS 4.5 !
Replies: 9
Views: 1042

Re: PPPoE users traffic are not limiting in MT ROS 4.5 !

Try this, open the main "bridge" window, then in the "bridge" tab, click "settings". Uncheck "use IP firewall" and click ok. Does that fix it?
by jcremin
Sat Feb 13, 2010 8:50 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

hmm, maybe I was getting carried away. dns, that's really what we want. The other servers is not really important for small WISP's anyway. Plenty of third party soluciotions available on the web so why should I want to do that myself. But dns, yes we just want a good and fast working dns solucion f...
by jcremin
Fri Feb 12, 2010 9:34 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

For those who want to defend running a nameserver on windows: a nameserver is as alien to microsoft as Alf to Earth: there will be trouble. You're making a generalization. It's like saying that just because Ford was established in 1903, you will definitely have problems driving a GM vehicle since t...
by jcremin
Fri Feb 12, 2010 9:03 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

Do it the same way as with NTP. Basic client is part of system package. If it's not enough for someone, then there's separate NTP package that can do more.
Yep, like the user-manager package. Not installed by default, but if someone wants to use it, just install it. :)
by jcremin
Fri Feb 12, 2010 8:59 pm
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

RouterOS is small and fast as a router. If we start adding DNS server, Webserver, Mailserver, Antivirus ... it will become something else. I happen to agree with the others here when they say that a full-blown DNS implementation would be practical. What about pppoe SERVER.. Web Proxy, Hotspot, Radi...
by jcremin
Fri Feb 12, 2010 5:28 pm
Forum: Wireless Networking
Topic: 802.11n
Replies: 939
Views: 274243

Re: 802.11n

While I haven't used 802.11n, my other links have had huge performance gains with nstreme and 1 antenna.
by jcremin
Fri Feb 12, 2010 8:50 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

appears MT doesn't even send the request to the DNS servers. Thats exactly why it would be nice if someone could get a pcap of it. I will help diagnose if someone can get it captured. This ENTIRE uncertainty about OpenDNS being the cause is ONLY becuase they give back answers other than what google...
by jcremin
Fri Feb 12, 2010 8:47 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

What software did you use for your nameserver? Remember that if it ain't "bind" it is suspect! It is Windows 2003 DNS server. But I'm sure that since it isn't bind/linux it doesn't make any difference and I was screwed from the beginning. Kind of. BIND has pretty much unlimited flexibility. MS DNS ...
by jcremin
Fri Feb 12, 2010 8:31 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

My Windows server (which is also my web hosting/email server) has been running solid for years (I was close to your 800 days on my server as well when I finally rebooted for a ton of updates) and the only thing that I have ever had a problem with was MT's DNS client. It is pretty apparent that you a...
by jcremin
Fri Feb 12, 2010 7:31 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

What software did you use for your nameserver? Remember that if it ain't "bind" it is suspect!
It is Windows 2003 DNS server. But I'm sure that since it isn't bind/linux it doesn't make any difference and I was screwed from the beginning.
by jcremin
Fri Feb 12, 2010 4:33 am
Forum: Wireless Networking
Topic: Link Long Range
Replies: 8
Views: 2183

Re: Link Long Range

Use static ACK settings and enable Nstream.
I'll second that. Nstreme is the only way to get a solid link for that distance.
by jcremin
Fri Feb 12, 2010 4:25 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

Also, some have reported that they have this problem when they use other DNS servers too! Now, how do you know what the admin of those servers does with the config? When I first started having this problem (when I originally started this thread) I was using my own DNS server. I know for a fact that...
by jcremin
Tue Jan 26, 2010 3:16 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

Your DNS requests are being hijacked, or someone is trying to run the trick of beating the response from the correct server and hoping they can get the correct sequence number. The 1 week TTL is a bit of a clue that something unsavory is going on, not a technical problem per se. Ok, but I still fai...
by jcremin
Tue Jan 26, 2010 2:30 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

WirelessRudy, While I don't disagree that there is a possibility Google would want to do this, I do have a few reasons to highly doubt it. Here are my observations: 1) One of the first thing my users did when Google quit working was switch to Bing, Yahoo, or Ask.com. In fact a few discovered they pr...
by jcremin
Fri Jan 22, 2010 7:59 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

I switched a few customers and my office back to the OpenDNS servers. I'll watch to see if the problem crops up again and will wireshark as much as I can (fingers crossed that it shows something useful!)
by jcremin
Fri Jan 22, 2010 5:16 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

No offense roadracer96 and changeip, but I disagree on that requirement. I suppose I should start including a dedicated DNS server to each and every one of my business clients. Actually that would be a huge waste of resources, potential space, and electricity. It's like saying everyone alive should ...
by jcremin
Fri Jan 22, 2010 4:45 am
Forum: General
Topic: Problems with DNS for www.google.com
Replies: 173
Views: 39029

Re: Problems with DNS for www.google.com

If you are a small ISP or a large ISP, you shouldnt be using OpenDNS for your DNS servers. You should have your own caching servers that query root. That is my point. And this is a rule that we're all supposed to obey? Yes, if you are a very large ISP, you are right, that it probably makes more sen...
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