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rheo
just joined
Topic Author
Posts: 20
Joined: Tue Aug 14, 2012 8:19 am

pppoe connection intermittent link downs

Sat Dec 19, 2015 2:07 am

Good morning

I have a TP-Link TD-8960N ADSL 2+ modem, in bridge mode to a Mikrotik Hex Lite. The hex lite, handles the pppoe connection to my ISP. I cannot seem to get the pppoe connection to stay up for more than a day, it runs for a few hours, then drops out and re-connects. I've checked the modem and it has no link downs, it's definetly RouterOS. I have changed cables. I turned on pppoe logging, and this is the output.

How do I stop this ?

dec/19 10:56:15 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x4d 
dec/19 10:56:15 pppoe,ppp,debug,packet     <magic 0x7e1b7089> 
dec/19 10:56:15 pppoe,ppp,debug,packet      7e 1b 70 89 
dec/19 10:56:35 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x4e 
dec/19 10:56:35 pppoe,ppp,debug,packet     <magic 0xe1f6603f> 
dec/19 10:56:35 pppoe,ppp,debug,packet      7e 1b 70 89 
dec/19 10:56:35 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x4e 
dec/19 10:56:35 pppoe,ppp,debug,packet     <magic 0x7e1b7089> 
dec/19 10:56:35 pppoe,ppp,debug,packet      7e 1b 70 89 
dec/19 10:56:55 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x4f 
dec/19 10:56:55 pppoe,ppp,debug,packet     <magic 0xe1f6603f> 
dec/19 10:56:55 pppoe,ppp,debug,packet      7e 1b 70 89 
dec/19 10:56:55 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x4f 
dec/19 10:56:55 pppoe,ppp,debug,packet     <magic 0x7e1b7089> 
dec/19 10:56:55 pppoe,ppp,debug,packet      7e 1b 70 89 
dec/19 10:57:15 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP TermReq id=0x3 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP closed 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: CCP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: BCP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: BCP down event in starting state 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: IPCP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: IPCP closed 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: IPV6CP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: IPV6CP down event in starting state
 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: MPLSCP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug,packet  pppoe-outside: sent LCP TermAck id=0x3 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP lowerdown 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: terminating... 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: terminating... 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: sent PADT to 00:00:00:00:00:00 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2037 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2037 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP lowerdown 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP down event in starting state 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: disconnected 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: disconnected 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: initializing... 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: initializing... 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: connecting... 
dec/19 10:57:15 pppoe,ppp,info pppoe-outside: connecting... 
dec/19 10:57:15 system,info item removed 
dec/19 10:57:15 system,info item removed 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: sent PADI to FF:FF:FF:FF:FF:FF 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet     host-uniq=0xad0003 
dec/19 10:57:15 pppoe,debug,packet     service-name=Internode 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: rcvd PADO from 00:90:1A:A4:D5:9
B 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet     ac-name=vezv-exhibition 
dec/19 10:57:15 pppoe,debug,packet     host-uniq=0xad0003 
dec/19 10:57:15 pppoe,debug,packet     service-name=Internode 
dec/19 10:57:15 pppoe,debug,packet     ac-cookie=a6 0a 77 7e da c9 91 38 08 ea 36 
23 e4 7d 0e 01 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: sent PADR to 00:90:1A:A4:D5:9B 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet     host-uniq=0xad0004 
dec/19 10:57:15 pppoe,debug,packet     service-name=Internode 
dec/19 10:57:15 pppoe,debug,packet     ac-cookie=a6 0a 77 7e da c9 91 38 08 ea 36 
23 e4 7d 0e 01 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x0000 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: rcvd PADT from 00:90:1A:A4:D5:9
B 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2037 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2037 
dec/19 10:57:15 pppoe,debug,packet ether1-gateway: rcvd PADS from 00:90:1A:A4:D5:9
B 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2b80 
dec/19 10:57:15 pppoe,debug,packet     service-name=Internode 
dec/19 10:57:15 pppoe,debug,packet     host-uniq=0xad0004 
dec/19 10:57:15 pppoe,debug,packet     session-id=0x2b80 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP lowerup 
dec/19 10:57:15 pppoe,ppp,debug,packet  pppoe-outside: sent LCP ConfReq id=0x3 
dec/19 10:57:15 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:15 pppoe,ppp,debug,packet    <magic 0x7c27e5b6> 
dec/19 10:57:15 pppoe,ppp,debug pppoe-outside: LCP open 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ConfReq id=0x1 
dec/19 10:57:16 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <magic 0x4816893e> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: sent LCP ConfAck id=0x1 
dec/19 10:57:16 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <magic 0x4816893e> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ConfAck id=0x3 
dec/19 10:57:16 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <magic 0x7c27e5b6> 
dec/19 10:57:16 pppoe,ppp,debug pppoe-outside: LCP opened 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: rcvd CHAP Challenge id=0x89
 
dec/19 10:57:16 pppoe,ppp,debug,packet     <challenge len=16> 
dec/19 10:57:16 pppoe,ppp,debug,packet     <name vezv-exhibition> 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: sent CHAP Response id=0x89 
dec/19 10:57:16 pppoe,ppp,debug,packet     <response len=16> 
dec/19 10:57:16 pppoe,ppp,debug,packet     <name my-username@internode.on.net> 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ConfReq id=0x1 
dec/19 10:57:16 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <magic 0xde1ca2ff> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:16 pppoe,ppp,debug pppoe-outside: LCP received dup ConfReq 
dec/19 10:57:16 pppoe,ppp,debug,packet  pppoe-outside: sent LCP ConfAck id=0x1 
dec/19 10:57:16 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <magic 0xde1ca2ff> 
dec/19 10:57:16 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent CHAP Response id=0x89 
dec/19 10:57:19 pppoe,ppp,debug,packet     <response len=16> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <name my-username@internode.on.net> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ConfReq id=0x2 
dec/19 10:57:19 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <magic 0xde1ca2ff> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: LCP received ConfReq in opened stat
e: restarting 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: LCP closed 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent LCP ConfReq id=0x4 
dec/19 10:57:19 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <magic 0x1ec19776> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent LCP ConfAck id=0x2 
dec/19 10:57:19 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <magic 0xde1ca2ff> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <auth  chap> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ConfAck id=0x4 
dec/19 10:57:19 pppoe,ppp,debug,packet    <mru 1492> 
dec/19 10:57:19 pppoe,ppp,debug,packet    <magic 0x1ec19776> 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: LCP opened 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd CHAP Challenge id=0x8a
 
dec/19 10:57:19 pppoe,ppp,debug,packet     <challenge len=16> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <name lns20.mel8> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent CHAP Response id=0x8a 
dec/19 10:57:19 pppoe,ppp,debug,packet     <response len=16> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <name my-username@internode.on.net> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd CHAP Success id=0x8a 
dec/19 10:57:19 pppoe,ppp,info pppoe-outside: authenticated 
dec/19 10:57:19 pppoe,ppp,info pppoe-outside: authenticated 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: IPCP lowerup 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent IPCP ConfReq id=0x3 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 0.0.0.0> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 0.0.0.0> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 0.0.0.0> 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: IPCP open 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: IPV6CP open 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: MPLSCP lowerup 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent MPLSCP ConfReq id=0x2 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: MPLSCP open 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: BCP open 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: CCP lowerup 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: CCP open 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd IPCP ConfReq id=0x1 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 150.101.32.54> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent IPCP ConfAck id=0x1 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 150.101.32.54> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP ProtRej id=0x3 
dec/19 10:57:19 pppoe,ppp,debug,packet      82 81 01 02 00 04 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd IPCP ConfNak id=0x3 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 59.167.191.153> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.132> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.3> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: sent IPCP ConfReq id=0x4 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 59.167.191.153> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.132> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.3> 
dec/19 10:57:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd IPCP ConfAck id=0x4 
dec/19 10:57:19 pppoe,ppp,debug,packet     <addr 59.167.191.153> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.132> 
dec/19 10:57:19 pppoe,ppp,debug,packet     <ms-dns 192.231.203.3> 
dec/19 10:57:19 pppoe,ppp,debug pppoe-outside: IPCP opened 
dec/19 10:57:19 pppoe,ppp,info pppoe-outside: connected 
dec/19 10:57:19 pppoe,ppp,info pppoe-outside: connected 
dec/19 10:57:19 system,info item added 
dec/19 10:57:19 system,info item added 
dec/19 10:57:39 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x1 
dec/19 10:57:39 pppoe,ppp,debug,packet     <magic 0xde1ca2ff> 
dec/19 10:57:39 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:57:39 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x1 
dec/19 10:57:39 pppoe,ppp,debug,packet     <magic 0x1ec19776> 
dec/19 10:57:39 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:57:59 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x2 
dec/19 10:57:59 pppoe,ppp,debug,packet     <magic 0xde1ca2ff> 
dec/19 10:57:59 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:57:59 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x2 
dec/19 10:57:59 pppoe,ppp,debug,packet     <magic 0x1ec19776> 
dec/19 10:57:59 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:19 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x3 
dec/19 10:58:19 pppoe,ppp,debug,packet     <magic 0xde1ca2ff> 
dec/19 10:58:19 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:19 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x3 
dec/19 10:58:19 pppoe,ppp,debug,packet     <magic 0x1ec19776> 
dec/19 10:58:19 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:39 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x4 
dec/19 10:58:39 pppoe,ppp,debug,packet     <magic 0xde1ca2ff> 
dec/19 10:58:39 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:39 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x4 
dec/19 10:58:39 pppoe,ppp,debug,packet     <magic 0x1ec19776> 
dec/19 10:58:39 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:59 pppoe,ppp,debug,packet  pppoe-outside: rcvd LCP EchoReq id=0x5 
dec/19 10:58:59 pppoe,ppp,debug,packet     <magic 0xde1ca2ff> 
dec/19 10:58:59 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:58:59 pppoe,ppp,debug,packet  pppoe-outside: sent LCP EchoRep id=0x5 
dec/19 10:58:59 pppoe,ppp,debug,packet     <magic 0x1ec19776> 
dec/19 10:58:59 pppoe,ppp,debug,packet      1e c1 97 76 
dec/19 10:59:07 system,info,account user admin logged in via local 
 
rheo
just joined
Topic Author
Posts: 20
Joined: Tue Aug 14, 2012 8:19 am

Re: pppoe connection intermittent link downs

Sat Dec 19, 2015 2:26 am

here is the connection details:
[admin@HexLite] > /interface pppoe-client print
Flags: X - disabled, R - running 
 0  R name="pppoe-outside" max-mtu=1492 max-mru=1492 mrru=disabled 
      interface=ether1-gateway user="my-username@internode.on.net" 
      password="abcdefg" profile=default keepalive-timeout=disabled 
      service-name="Internode" ac-name="" add-default-route=yes 
      default-route-distance=1 dial-on-demand=no use-peer-dns=yes 
      allow=pap,chap 
  
 
grantpasley
just joined
Posts: 10
Joined: Fri May 29, 2009 4:42 pm

Re: pppoe connection intermittent link downs

Mon Feb 08, 2016 6:39 am

hi rheo - did you find a solution to this problem? i am having the same issue at a site.
 
rheo
just joined
Topic Author
Posts: 20
Joined: Tue Aug 14, 2012 8:19 am

Re: pppoe connection intermittent link downs

Mon Feb 08, 2016 6:43 am

what worked for me was setting the MTU and L2 MTU values on the physical interface (in my case ether1) to match the ones on the PPPoE interface. I set them at 1492 but your ISP may differ

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