Mikrotik RB 3011 multiple port flapping (Title updated)

Forums › LAN (ethernet/Wifi/routers/Bluetooth) › Mikrotik RB 3011 multiple port flapping (Title updated)

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5424 posts

Uber Geek
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# 1723642 21-Feb-2017 12:08

One person supports this post

RobBB:[snip] I posted on the lan and router forum too about it incase anyone knew of settigns that might cause it, but it keeps getting removed for some reason?

Don't post the same topic in multiple forums - it breaches the FUG.

[snip] Posts will be removed and the user may be banned (either temporarily or permanently) if:

the post is one of multiple copies in different forums;

IPoE you are getting an address via DHCP rather than PPP. You are eliminating the PPP client as a potential problem by changing from one system to the other. Where is that log coming from?

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723646 21-Feb-2017 12:12

[snip] Posts will be removed and the user may be banned (either temporarily or permanently) if:

the post is one of multiple copies in different forums;

IPoE you are getting an address via DHCP rather than PPP. You are eliminating the PPP client as a potential problem by changing from one system to the other. Where is that log coming from?

From https://uptimerobot.com/

I went there after noticing I was having a lot of difficulty accessing my web pages from other sites around town.

RunningMan

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Uber Geek
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# 1723648 21-Feb-2017 12:14

How is that site determining if your connection is up or down? Have a look at the RouterOS log instead.

michaelmurfy

Mr Snotty
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# 1723654 21-Feb-2017 12:23

RunningMan:

How is that site determining if your connection is up or down? Have a look at the RouterOS log instead.

Via Ping or other methods. i've got multiple UptimeRobot probes monitoring my connection. Here is one from "Ping" - I can account for all the downtime which is due to firmware experiements on my Edgerouter so combined I can safely say 4mo since the last Chorus / BigPipe connection drop. This is on a IPoE connection via VLAN 10.

Event Date-Time Reason Duration Duration (in mins.)
Up 2016-12-09 03:42:43 Successful Response 1784 hrs, 38 mins 107078
Down 2016-12-09 03:38:24 No Response 0 hrs, 4 mins 4
Up 2016-12-09 03:26:42 Successful Response 0 hrs, 11 mins 12
Down 2016-12-09 03:02:44 No Response 0 hrs, 23 mins 24
Up 2016-12-09 02:40:26 Successful Response 0 hrs, 22 mins 22
Down 2016-12-09 02:09:58 No Response 0 hrs, 30 mins 30
Up 2016-11-25 01:42:45 Successful Response 336 hrs, 27 mins 20187
Down 2016-11-25 00:39:26 No Response 1 hrs, 3 mins 63
Up 2016-11-04 13:08:08 Successful Response 491 hrs, 31 mins 29491
Down 2016-11-04 13:04:11 No Response 0 hrs, 3 mins 4
Up 2016-10-02 18:46:51 Successful Response 786 hrs, 17 mins 47177
Down 2016-10-01 06:00:03 No Response 36 hrs, 46 mins 2207
Up 2016-09-09 01:43:27 Successful Response 532 hrs, 16 mins 31937
Down 2016-09-09 01:35:29 No Response 0 hrs, 7 mins 8
Up 2016-08-06 18:57:39 Successful Response 798 hrs, 37 mins 47918
Down 2016-08-06 18:56:41 No Response 0 hrs, 0 mins 1
Up 2016-08-03 04:07:38 Successful Response 86 hrs, 49 mins 5209
Down 2016-08-03 03:58:40 No Response 0 hrs, 8 mins 9
Up 2016-08-01 02:22:00 Successful Response 49 hrs, 36 mins 2977
Down 2016-08-01 02:21:03 No Response 0 hrs, 0 mins 1
Up 2016-07-22 04:26:55 Successful Response 237 hrs, 54 mins 14274
Down 2016-07-22 04:03:57 No Response 0 hrs, 22 mins 23
Up 2016-07-17 00:45:34 Successful Response 123 hrs, 18 mins 7398
Down 2016-07-17 00:45:16 No Response 0 hrs, 0 mins 0
Up 2016-07-10 06:07:04 Timeout 162 hrs, 38 mins 9758

Michael Murphy | https://murfy.nz
A quick guide to picking the right ISP | The Router Guide | Community UniFi Cloud Controller | Ubiquiti Edgerouter Tutorial

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723663 21-Feb-2017 12:37

RunningMan:

How is that site determining if your connection is up or down? Have a look at the RouterOS log instead.

It has the IP address and a port I have given it, I actually test on 5 services incase it's the server (it's not). If it cant connect it calls it down, if it can connect it calls it up.

But I stress I started the checking because I could not connect to the web or my ssh multiple times.

RunningMan

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Uber Geek
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# 1723674 21-Feb-2017 12:54

Is the RouterOS log showing corresponding connection drops? First thing is to try and rule out is if the issue is actually at your end - while unlikely, your connection may be up, but there is no valid route to it (for example).

NonprayingMantis

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# 1723675 21-Feb-2017 12:55

I have static IP with Bigpipe on VDSL.

the only downtime I've had in the last 2 years have been

1) when I unplugged my modem when I moved my office to another room (of course)

2) a couple of wider network outages - but I haven't had one of those for several months (maybe a year?)

3) couple of late night downtimes for maintenance (with advance warning from BP) - haven't had one of these for a while either.

I would expect most consumer ISPs to have this sort of thing.

If you need 100% uptime you should expect to pay a lot more $$ for that.

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723679 21-Feb-2017 13:00

NonprayingMantis:

I have static IP with Bigpipe on VDSL.

the only downtime I've had in the last 2 years have been

1) when I unplugged my modem when I moved my office to another room (of course)

2) a couple of wider network outages - but I haven't had one of those for several months (maybe a year?)

3) couple of late night downtimes for maintenance (with advance warning from BP) - haven't had one of these for a while either.

I would expect most consumer ISPs to have this sort of thing.

If you need 100% uptime you should expect to pay a lot more $$ for that.

I don't expect 100%, but I do expect near 100%, but with uptimes in the range of 5 to 30 mins before going down I am sure you can see this is a genuine problem?

An uptime of 99% is still 15min a day down. I do understand from the feedback that this is unusual downtime for BP, so am looking at the router now.

RobBB

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Master Geek
+1 received by user: 5

# 1723680 21-Feb-2017 13:01

RunningMan:

Is the RouterOS log showing corresponding connection drops? First thing is to try and rule out is if the issue is actually at your end - while unlikely, your connection may be up, but there is no valid route to it (for example).

I'll check the router logs latter when I am home.

Nebbie

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# 1723684 21-Feb-2017 13:08

RobBB:

I actually test on 5 services incase it's the server (it's not).

What how far away are those servers? The more hops there are between you and a server the greater chance there would be dropouts during that time.

What qualify's a server to be down? IMCP Ping? Timeout? retry? Count?

---------------------------------------------------------------
Nebukadnessar

NonprayingMantis

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Uber Geek
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# 1723687 21-Feb-2017 13:10

RobBB:

NonprayingMantis:

I have static IP with Bigpipe on VDSL.

the only downtime I've had in the last 2 years have been

1) when I unplugged my modem when I moved my office to another room (of course)

2) a couple of wider network outages - but I haven't had one of those for several months (maybe a year?)

3) couple of late night downtimes for maintenance (with advance warning from BP) - haven't had one of these for a while either.

I would expect most consumer ISPs to have this sort of thing.

If you need 100% uptime you should expect to pay a lot more $$ for that.

I don't expect 100%, but I do expect near 100%, but with uptimes in the range of 5 to 30 mins before going down I am sure you can see this is a genuine problem?

An uptime of 99% is still 15min a day down. I do understand from the feedback that this is unusual downtime for BP, so am looking at the router now.

yes, a daily outage would definitely be considered outside the norm.

Are you doing any unusual traffic patterns that might overload the connection/router?

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723691 21-Feb-2017 13:16

Nebbie:

RobBB:

I actually test on 5 services incase it's the server (it's not).

What how far away are those servers? The more hops there are between you and a server the greater chance there would be dropouts during that time.

What qualify's a server to be down? IMCP Ping? Timeout? retry? Count?

Web, mail, ssh ports timeout for several minutes at a time. And the fact that I cant log in from <20km away for several minutes at a time, or when I am on I get disconnected for a few mins at a time. They coincide with the uptime robot sites reports. It really is unreachable during these times. Prior to this for 3 years no problems. Upgraded the server hardware 16 months ago, again uptime was probably 99.9%+ (it is easy to tell when a voice connection drops for example) although I dont have data to prove it.

Any way, I do not know for sure this is a router problem or BigPipe problem, so I'll check the logs in a few hours and see.

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723695 21-Feb-2017 13:19

NonprayingMantis:

RobBB:

NonprayingMantis:

I have static IP with Bigpipe on VDSL.

the only downtime I've had in the last 2 years have been

1) when I unplugged my modem when I moved my office to another room (of course)

2) a couple of wider network outages - but I haven't had one of those for several months (maybe a year?)

3) couple of late night downtimes for maintenance (with advance warning from BP) - haven't had one of these for a while either.

I would expect most consumer ISPs to have this sort of thing.

If you need 100% uptime you should expect to pay a lot more $$ for that.

I don't expect 100%, but I do expect near 100%, but with uptimes in the range of 5 to 30 mins before going down I am sure you can see this is a genuine problem?

An uptime of 99% is still 15min a day down. I do understand from the feedback that this is unusual downtime for BP, so am looking at the router now.

yes, a daily outage would definitely be considered outside the norm.

Are you doing any unusual traffic patterns that might overload the connection/router?

Nothing strenuous at the moment, it's a gigabit connection and the server is not live as such. So it is low usage, and the only scheduled traffic that would be even close to heavy (its light, download from steam servers ~3gb of data) is every 30 mins on the hour and half past, these downtimes don't coincide with that.

RobBB

98 posts

Master Geek
+1 received by user: 5

# 1723905 21-Feb-2017 16:52

RunningMan:

How is that site determining if your connection is up or down? Have a look at the RouterOS log instead.

so the log is showing lods of up and down activity like the uptime robot report. But BigPipe say all is good at their end.

12:35:01 interface,info ether1 link down
12:35:01 interface,info ether2-master link down
12:35:01 interface,info ether5 link down
12:35:01 system,info item removed
12:35:01 system,info item removed
12:35:04 interface,info ether1 link up (speed 1G, full duplex)
12:35:04 interface,info ether5 link up (speed 1G, full duplex)
12:35:05 interface,info ether2-master link up
12:35:08 system,info item added
12:35:08 system,info item added
12:36:40 interface,info ether1 link down
12:36:40 interface,info ether2-master link down
12:36:40 interface,info ether5 link down
12:36:40 system,info item removed
12:36:40 system,info item removed
12:36:42 interface,info ether1 link up (speed 1G, full duplex)
12:36:42 interface,info ether5 link up (speed 1G, full duplex)
12:36:43 interface,info ether2-master link up
12:40:37 system,info item added
12:40:37 system,info item added
12:48:35 interface,info ether1 link down
12:48:35 interface,info ether2-master link down
12:48:35 interface,info ether5 link down
12:48:35 system,info item removed
12:48:35 system,info item removed
12:48:38 interface,info ether1 link up (speed 1G, full duplex)
12:48:38 interface,info ether5 link up (speed 1G, full duplex)
12:48:39 interface,info ether2-master link up
12:48:43 system,info item added
12:48:43 system,info item added
16:28:41 interface,info ether1 link down
16:28:41 system,info item removed
16:28:41 system,info item removed
16:28:44 interface,info ether1 link up (speed 1G, full duplex)
16:28:45 system,info item added
16:28:45 system,info item added
16:33:23 interface,info ether9 link up (speed 100M, full duplex)
16:33:24 interface,info ether6-master link up
16:34:35 interface,info ether9 link down
16:34:36 interface,info ether6-master link down
16:34:36 interface,info ether9 link up (speed 1G, full duplex)
16:34:37 interface,info ether6-master link up
16:34:44 dhcp,info defconf assigned 192.168.88.254 to 6C:F0:49:5E:66:19
16:38:00 interface,info ether1 link down
16:38:00 interface,info ether2-master link down
16:38:00 interface,info ether5 link down
16:38:00 interface,info ether6-master link down
16:38:00 interface,info ether9 link down
16:38:00 system,info item removed
16:38:00 system,info item removed
16:38:03 interface,info ether1 link up (speed 1G, full duplex)
16:38:04 interface,info ether5 link up (speed 1G, full duplex)
16:38:04 interface,info ether9 link up (speed 1G, full duplex)
16:38:05 interface,info ether2-master link up
16:38:05 interface,info ether6-master link up
16:38:08 system,info item added
16:38:08 system,info item added

RunningMan

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Uber Geek
+1 received by user: 1879

# 1723958 21-Feb-2017 17:48

I'm guessing that you are using ether1 as the WAN, and the item being added as that comes back up is your PPP interface.

16:28:44 interface,info ether1 link up (speed 1G, full duplex)
16:28:45 system,info item added
16:28:45 system,info item added

The odd thing is from the logs is you have multiple ports dropping at the same time (1, 5, 9), across both switch groups. I saw @sbiddle comment in your other (removed) thread - not sure if he has seen the background in this one.

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