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'That VDSL Cat'
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  # 2215573 12-Apr-2019 10:23
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StNick:

 

Not too keen on resetting my primary RB3011 just yet.

 

 

i wasnt keen on switching the network out.. took me about 3 months to cut over it to the 3011 completely.

 

but i sense the pain and frustration.





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  # 2215879 12-Apr-2019 17:13
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OK so. i bought my 3011 in, had no issues at all.

 

 

 

I reset it, still no issues.

 

Reconfigured using Quick UI, no issues still.

 

 

 

I had a few flags on the port for dhcp, but that was when resetting ala, to be expected.

 

The Only time i was able to recreate things, was when i deliberately put a DHCP client on eth1.





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  # 2215946 12-Apr-2019 18:52
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hio77:

OK so. i bought my 3011 in, had no issues at all.


 


I reset it, still no issues.


Reconfigured using Quick UI, no issues still.


 


I had a few flags on the port for dhcp, but that was when resetting ala, to be expected.


The Only time i was able to recreate things, was when i deliberately put a DHCP client on eth1.



Thank you for doing this! I'm going to reset my router tonight and test. YOLO.

Will report back.

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  # 2215998 12-Apr-2019 20:12
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Just back it up before resetting it, or export the config. Easy to put back again that way.




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  # 2216005 12-Apr-2019 20:38
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Well, after resetting the configuration and using the default config, I can confirm that the issue no longer exists.  I can disconnect / reconnect my PPPoE until the cows come home without any trouble.

 

 

 

I don't know how I feel about this.  On the one hand, I am relieved.  On the other hand, it means one of the rules / settings that I had before are likely to blame and I'll probably break it again in the next few days as I realise I'm missing stuff.

 

 

 

But for the most part, this is good news and I really want to thank everyone that took the time to respond and even mess with their own configuration in order to help.  What a great community this is!


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  # 2216006 12-Apr-2019 20:40
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Glad we got to that solution :) 

 

 

 

Goes to show sometimes... the logs are right eh?





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  # 2216020 12-Apr-2019 20:59
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Can you export and upload the sanitised config?




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  # 2216024 12-Apr-2019 21:04
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hio77:

 

Glad we got to that solution :) 

 

 

 

Goes to show sometimes... the logs are right eh?

 

 

 

 

I'm not sure that the others with this problem would agree that resetting the router is a "solution", but fortunately my configuration is simple enough to get back to how I need it.

 

 

 

I'd still love to know exactly what the problem was.  If it was indeed a case of my router spamming DHCP requests despite having no DHCP clients to speak of, how did this come to be?

 

 

 

RunningMan, are you wanting a copy of my old faulty config?


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  # 2216026 12-Apr-2019 21:06
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StNick:

 

I'd still love to know exactly what the problem was.  If it was indeed a case of my router spamming DHCP requests despite having no DHCP clients to speak of, how did this come to be?

 

 

Sorry, let me be clear.

 

 

 

i dont think resetting was fixing it. but resetting forced the DHCP client that was quite clearly listening to stop.





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  # 2216058 12-Apr-2019 21:21
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hio77:

 

StNick:

 

I'd still love to know exactly what the problem was.  If it was indeed a case of my router spamming DHCP requests despite having no DHCP clients to speak of, how did this come to be?

 

 

Sorry, let me be clear.

 

 

 

i dont think resetting was fixing it. but resetting forced the DHCP client that was quite clearly listening to stop.

 

 

 

 

I see...  Yeah you could be right.  One difference is that with the old config, I had disabled the DHCP client on Ether1 which was put there by RouterOS defconf.  This time, the very first thing I did was remove it entirely.  Could it be that a disabled DHCP client is still doing something it shouldn't?


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  # 2216060 12-Apr-2019 21:24
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StNick:

hio77:


StNick:


I'd still love to know exactly what the problem was.  If it was indeed a case of my router spamming DHCP requests despite having no DHCP clients to speak of, how did this come to be?



Sorry, let me be clear.


 


i dont think resetting was fixing it. but resetting forced the DHCP client that was quite clearly listening to stop.



 


I see...  Yeah you could be right.  One difference is that with the old config, I had disabled the DHCP client on Ether1 which was put there by RouterOS defconf.  This time, the very first thing I did was remove it entirely.  Could it be that a disabled DHCP client is still doing something it shouldn't?



Not really, unless there is some bug in the OS.

My config. was from a completely blank Mikrotik unit. Not even a default setup.

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  # 2216061 12-Apr-2019 21:26
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pohutukawa:

My config. was from a completely blank Mikrotik unit. Not even a default setup.

 

Last i checked blank has a dhcp client on the eth1?





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  # 2216064 12-Apr-2019 21:30
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hio77:

pohutukawa:

My config. was from a completely blank Mikrotik unit. Not even a default setup.


Last i checked blank has a dhcp client on the eth1?



If you reset the config, there is an option to not apply a default config.


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  # 2216262 13-Apr-2019 07:51
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StNick: {snip]RunningMan, are you wanting a copy of my old faulty config?

 

 

That was the idea - sometimes a second set of eyes picks up something you miss. If you want to, just post up the export of it without passwords etc.


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  # 2216410 13-Apr-2019 11:55
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FWIW one of my MikroTiks that use a pppoe connection via chorus ont has a disabled dhcp client sitting there doing nothing with no issue.

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