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PPPoE terminating and interfaces shutting down

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Paltri34
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Posts: 3
Joined: Mon Apr 22, 2024 11:11 am

PPPoE terminating and interfaces shutting down

Mon Apr 22, 2024 12:19 pm

Hello,
recently i started having issues with my mikrotik router. It terminate pppoe, all interfaces shut down for 1 or 2 seconds and they come up again.
It happens randomly, once or twice a day and anytime.
Using a CCR1036-12G-4S running RouterOS 7.14.2
If some other config are needed let me know.

Error:
Code: Select all
04-20 08:34:26 pppoe,ppp,info pppoe-out1: terminating... - hungup 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: disconnected 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: initializing... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: connecting... 
04-20 08:34:27 interface,info ether5_NASCLOUD link down 
04-20 08:34:27 interface,info interface_: ether5_NASCLOUD link down 
04-20 08:34:27 interface,info ether6_VEEAMGW link down 
04-20 08:34:27 interface,info interface_: ether6_VEEAMGW link down 
04-20 08:34:27 interface,info ether1_FTTO link down 
04-20 08:34:27 interface,info interface_: ether1_FTTO link down 
04-20 08:34:27 interface,info ether2_P2P-CAMP link down 
04-20 08:34:27 interface,info interface_: ether2_P2P-CAMP link down 
04-20 08:34:27 interface,info ether3 link down 
04-20 08:34:27 interface,info interface_: ether3 link down 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: terminating... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: disconnected 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: initializing... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: connecting... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: terminating... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: disconnected 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: initializing... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: connecting... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: terminating... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: disconnected 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: initializing... 
04-20 08:34:27 pppoe,ppp,info pppoe-out1: connecting... 
04-20 08:34:29 interface,info ether5_NASCLOUD link up (speed 1G, full duplex) 
04-20 08:34:29 interface,info interface_: ether5_NASCLOUD link up (speed 1G, full duplex) 
04-20 08:34:29 interface,info ether2_P2P-CAMP link up (speed 1G, full duplex) 
04-20 08:34:29 interface,info interface_: ether2_P2P-CAMP link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info ether6_VEEAMGW link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info interface_: ether6_VEEAMGW link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info ether1_FTTO link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info interface_: ether1_FTTO link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info ether3 link up (speed 1G, full duplex) 
04-20 08:34:30 interface,info interface_: ether3 link up (speed 1G, full duplex) 
04-20 08:34:31 pppoe,ppp,info pppoe-out1: authenticated 
04-20 08:34:31 pppoe,ppp,info pppoe-out1: connected
Interfaces config:
Code: Select all
/interface bridge
add arp=proxy-arp fast-forward=no name=bridge-epta port-cost-mode=short
add fast-forward=no name=bridge-picanto port-cost-mode=short
add fast-forward=no name=bridge-wifree port-cost-mode=short
add name=bridge77 port-cost-mode=short
/interface ethernet
set [ find default-name=ether1 ] name=ether1_FTTO
set [ find default-name=ether2 ] name=ether2_P2P-CAMP
set [ find default-name=ether3 ] comment=QGD-1600P
set [ find default-name=ether5 ] name=ether5_NASCLOUD
set [ find default-name=ether6 ] name=ether6_VEEAMGW
/interface pppoe-client
add add-default-route=yes disabled=no interface=ether1_FTTO name=pppoe-out1 \
    use-peer-dns=yes
/interface bridge port
add bridge=bridge-epta hw=no ingress-filtering=no interface=ether3 \
    internal-path-cost=10 path-cost=10
add bridge=bridge-epta hw=no ingress-filtering=no interface=ether4 \
    internal-path-cost=10 path-cost=10
add bridge=bridge-epta hw=no ingress-filtering=no interface=ether2_P2P-CAMP \
    internal-path-cost=10 path-cost=10
add bridge=bridge-wifree ingress-filtering=no interface=eoip-tunnel1-WF \
    internal-path-cost=10 path-cost=10
add bridge=bridge-picanto ingress-filtering=no interface=vlan4 \
    internal-path-cost=10 path-cost=10 pvid=4
add bridge=bridge-epta comment="Switch" hw=no \
    ingress-filtering=no interface=sfp1 internal-path-cost=10 path-cost=10
add bridge=bridge77 hw=no ingress-filtering=no interface=ether6_VEEAMGW \
    internal-path-cost=10 path-cost=10
add bridge=bridge-epta hw=no ingress-filtering=no interface=sfp2 \
    internal-path-cost=10 path-cost=10
add bridge=bridge77 hw=no interface=ether5_NASCLOUD internal-path-cost=10 \
    path-cost=10
/interface bridge settings
set use-ip-firewall=yes use-ip-firewall-for-pppoe=yes \
    use-ip-firewall-for-vlan=yes
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vetal12311
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Joined: Fri Nov 26, 2021 2:56 pm

Re: PPPoE terminating and interfaces shutting down

Mon Apr 22, 2024 10:47 pm

Looks like pppoe interface hungs up as if it was a server issue, doesn't look like your switch is misconfigured. Could you add interfaces debug log?
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mkx
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Posts: 11745
Joined: Thu Mar 03, 2016 10:23 pm

Re: PPPoE terminating and interfaces shutting down

Mon Apr 22, 2024 11:13 pm

recently i started having issues with my mikrotik router. It terminate pppoe, all interfaces shut down for 1 or 2 seconds and they come up again.

I'd say that first 4 posted log lines belong to previous event sequence. Events sequence logically begins with flapping all ether ports. Which in turn drops PPPoE tunnel. It tries to reestablish while ether1 is down and it succeeds after ether1 link reestablishes.

Unfortunately none of this explains why all ether ports flap every now and then...
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Paltri34
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Posts: 3
Joined: Mon Apr 22, 2024 11:11 am

Re: PPPoE terminating and interfaces shutting down

Tue Apr 23, 2024 11:04 am

Looks like pppoe interface hungs up as if it was a server issue, doesn't look like your switch is misconfigured. Could you add interfaces debug log?
Interfaces debug log show the same as above without any additional info. It just say interface link down.
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Paltri34
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Topic Author
Posts: 3
Joined: Mon Apr 22, 2024 11:11 am

Re: PPPoE terminating and interfaces shutting down

Tue Apr 23, 2024 11:10 am

recently i started having issues with my mikrotik router. It terminate pppoe, all interfaces shut down for 1 or 2 seconds and they come up again.

I'd say that first 4 posted log lines belong to previous event sequence. Events sequence logically begins with flapping all ether ports. Which in turn drops PPPoE tunnel. It tries to reestablish while ether1 is down and it succeeds after ether1 link reestablishes.

Unfortunately none of this explains why all ether ports flap every now and then...
It makes sense, the pppoe interface goes down and the pppoe tunnel disconnect.
Since there is nothing else i can try I'll downgrade to firmware 6 LTS and see what happen, thank you.
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