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Anyone else see the DNS forwarder crash?

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Inssomniak
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Posts: 332
Joined: Fri Apr 13, 2007 11:21 pm

Anyone else see the DNS forwarder crash?

Mon Apr 26, 2010 11:36 pm

I posted to support@mikrotik.com but just wondering if anyone else seen the DNS forwarder/Masq crash out?

It stopped taking remote requests., but it seems it still is locally working, (I can resolve sites Ok still on the router itself)


[admin@Jarvis] /ip dns> print

action timed out - try again, if error continues contact MikroTik support and send a supout file (13)

[admin@Jarvis] /ip dns>


Had the packet size set to 1024, and the cache size set to 8192.
Version 4.6
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abvintranet
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Joined: Sat Oct 03, 2009 5:50 pm

Re: Anyone else see the DNS forwarder crash?

Wed Apr 28, 2010 1:43 am

I have the same problem!

Please, help!!!
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dssmiktik
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Joined: Fri Aug 17, 2007 8:42 am

Re: Anyone else see the DNS forwarder crash?

Wed Apr 28, 2010 2:21 am

Just to be clear, what RouterOS version is this happening on?

Edit: nm, I failed to read the OP full post... it was v4.6

I haven't had this happen on v4.6 x86. Can you determine the dns packets, cpu-load, etc.. when this happens?
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abvintranet
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Joined: Sat Oct 03, 2009 5:50 pm

Re: Anyone else see the DNS forwarder crash?

Wed Apr 28, 2010 10:17 am

Code: Select all
[abv@Ps-51/1] /system resource> pri
                   uptime: 8h43m8s
                  version: "4.6"
              free-memory: 1864768kB
             total-memory: 1945824kB
                      cpu: "Intel(R)"
                cpu-count: 2
            cpu-frequency: 2333MHz
                 cpu-load: 23
           free-hdd-space: 704224kB
          total-hdd-space: 923376kB
  write-sect-since-reboot: 2170616
         write-sect-total: 2170616
        architecture-name: "x86"
               board-name: "x86"
[abv@Ps-51/1] /system resource>
Cpu load is about 45-55%...
Intel Core2Duo E6550
2Gb RAM
MB Gigabyte

No definite pattern.
Roughly once a day...

Packet rate is about 70000-120000pps

There is graphs: http://193.106.202.10:82/graphs/


HELP plz...
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Inssomniak
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Posts: 332
Joined: Fri Apr 13, 2007 11:21 pm

Re: Anyone else see the DNS forwarder crash?

Wed Apr 28, 2010 3:29 pm

I got a reply from Mikrotik support to disable dude package, to see if it stops crashing, you can try that too.
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abvintranet
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Joined: Sat Oct 03, 2009 5:50 pm

Re: Anyone else see the DNS forwarder crash?

Tue May 04, 2010 11:00 pm

wow! now it happens once per three day :(
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antenman
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Posts: 25
Joined: Wed Jun 14, 2006 7:30 pm

Re: Anyone else see the DNS forwarder crash?

Wed May 05, 2010 11:01 am

wow! now it happens once per three day :(
It happened to us also, but on earlier versions of ROS. We opened ticket with mikrotik support, but after few initial e-mails, never heard from them again on this subject. Our solution was to disable DNS on mikrotik and user external linux server as DNS forwarder.
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