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Author Topic: Connection issues, Router? Or other?  (Read 571 times)

V_R

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Connection issues, Router? Or other?
« on: August 30, 2017, 09:10:02 PM »

Hi all, I'm a long time lurker, but this is my first post....

So I've been having some odd disconnects recently, and seemingly randomly too. Both the HG612 and N66U seem to still be connected and DSLStats which is running in the background shows no drops or resyncs, as does the connection stats from Zen.

I also now and again get DNS issues in Chrome when loading pages, again randomly and they go and the page loads up just as quick as they appear.

I think its an issue with my router, but I'm not sure, so here are the logs from it below....

Does this give any ideas as to what might be the issue?

Router is an Asus RT-N66U running the latest version of Merlins custom FW.

Thanks for looking.


Code: [Select]
Aug 29 21:26:39 miniupnpd[663]: upnp_event_recv: recv(): Connection reset by peer
Aug 29 21:27:20 pppd[329]: No response to 10 echo-requests
Aug 29 21:27:20 pppd[329]: Serial link appears to be disconnected.
Aug 29 21:27:20 pppd[329]: Connect time 13398.5 minutes.
Aug 29 21:27:20 pppd[329]: Sent 2665467926 bytes, received 2952323212 bytes.
Aug 29 21:27:20 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:27:20 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:27:20 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:27:20 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:27:20 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:27:20 miniupnpd[663]: Failed to get IP for interface ppp0
Aug 29 21:27:20 miniupnpd[663]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:27:20 WAN_Connection: Fail to connect with some issues.
Aug 29 21:27:20 stop_nat_rules: apply the redirect_rules!
Aug 29 21:27:26 pppd[329]: Connection terminated.
Aug 29 21:27:26 pppd[329]: Sent PADT
Aug 29 21:27:26 pppd[329]: Modem hangup
Aug 29 21:28:11 pppd[329]: Timeout waiting for PADO packets
Aug 29 21:28:46 pppd[329]: PPP session is 1 (0x1)
Aug 29 21:28:46 pppd[329]: Connected to ac:60:b6:5f:4c:01 via interface eth0
Aug 29 21:28:46 pppd[329]: Using interface ppp0
Aug 29 21:28:46 pppd[329]: Connect: ppp0 <--> eth0
Aug 29 21:28:49 pppd[329]: CHAP authentication succeeded: CHAP authentication success, unit 13644
Aug 29 21:28:49 pppd[329]: CHAP authentication succeeded
Aug 29 21:28:49 pppd[329]: peer from calling number AC:60:B6:5F:4C:01 authorized
Aug 29 21:28:49 miniupnpd[663]: Failed to get IP for interface ppp0
Aug 29 21:28:49 miniupnpd[663]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:28:49 miniupnpd[663]: Failed to get IP for interface ppp0
Aug 29 21:28:49 miniupnpd[663]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:28:49 miniupnpd[663]: Failed to get IP for interface ppp0
Aug 29 21:28:49 miniupnpd[663]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:28:50 pppd[329]: local IP address xx.xx.xx.xx
Aug 29 21:28:50 pppd[329]: remote IP address xx.xx.xx.xx
Aug 29 21:28:50 rc_service: ip-up 31758:notify_rc start_firewall
Aug 29 21:28:50 miniupnpd[663]: shutting down MiniUPnPd
Aug 29 21:28:50 start_nat_rules: apply the nat_rules(/tmp/nat_rules_ppp0_eth0)!
Aug 29 21:28:50 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:28:50 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:28:50 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:28:50 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:28:50 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:28:50 miniupnpd[31795]: HTTP listening on port 35616
Aug 29 21:28:50 miniupnpd[31795]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:28:50 miniupnpd[31795]: upnp_event_send: send(): Connection reset by peer
Aug 29 21:28:50 rc_service: ip-up 31758:notify_rc stop_upnp
Aug 29 21:28:50 rc_service: ip-up 31758:notify_rc start_upnp
Aug 29 21:28:50 rc_service: waitting "stop_upnp" via ip-up ...
Aug 29 21:28:50 miniupnpd[31795]: shutting down MiniUPnPd
Aug 29 21:28:51 ntp: start NTP update
Aug 29 21:28:51 miniupnpd[31808]: HTTP listening on port 38868
Aug 29 21:28:51 miniupnpd[31808]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:28:52 miniupnpd[31808]: upnp_event_recv: recv(): Connection reset by peer
Aug 29 21:28:53 WAN_Connection: WAN was restored.
Aug 29 21:37:03 pppd[329]: No response to 10 echo-requests
Aug 29 21:37:03 pppd[329]: Serial link appears to be disconnected.
Aug 29 21:37:03 pppd[329]: Connect time 8.3 minutes.
Aug 29 21:37:03 pppd[329]: Sent 1560595 bytes, received 9555144 bytes.
Aug 29 21:37:03 miniupnpd[31808]: Failed to get IP for interface ppp0
Aug 29 21:37:03 miniupnpd[31808]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:37:03 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:37:03 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:37:03 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:37:03 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:37:03 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:37:04 WAN_Connection: Fail to connect with some issues.
Aug 29 21:37:04 stop_nat_rules: apply the redirect_rules!
Aug 29 21:37:09 pppd[329]: Connection terminated.
Aug 29 21:37:09 pppd[329]: Sent PADT
Aug 29 21:37:09 pppd[329]: Modem hangup
Aug 29 21:37:19 pppd[329]: PPP session is 2 (0x2)
Aug 29 21:37:19 pppd[329]: Connected to ac:60:b6:5f:4c:01 via interface eth0
Aug 29 21:37:19 pppd[329]: Using interface ppp0
Aug 29 21:37:19 pppd[329]: Connect: ppp0 <--> eth0
Aug 29 21:37:20 pppd[329]: CHAP authentication succeeded: CHAP authentication success, unit 10408
Aug 29 21:37:20 pppd[329]: CHAP authentication succeeded
Aug 29 21:37:20 pppd[329]: peer from calling number AC:60:B6:5F:4C:01 authorized
Aug 29 21:37:20 miniupnpd[31808]: Failed to get IP for interface ppp0
Aug 29 21:37:20 miniupnpd[31808]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:37:20 miniupnpd[31808]: Failed to get IP for interface ppp0
Aug 29 21:37:20 miniupnpd[31808]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:37:20 miniupnpd[31808]: Failed to get IP for interface ppp0
Aug 29 21:37:20 miniupnpd[31808]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:37:20 pppd[329]: local IP address xx.xx.xx.xx
Aug 29 21:37:20 pppd[329]: remote IP address xx.xx.xx.xx
Aug 29 21:37:20 rc_service: ip-up 32032:notify_rc start_firewall
Aug 29 21:37:20 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:37:20 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:37:20 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:37:20 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:37:20 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:37:20 miniupnpd[31808]: shutting down MiniUPnPd
Aug 29 21:37:20 start_nat_rules: apply the nat_rules(/tmp/nat_rules_ppp0_eth0)!
Aug 29 21:37:20 miniupnpd[32064]: HTTP listening on port 54165
Aug 29 21:37:20 miniupnpd[32064]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:37:20 rc_service: ip-up 32032:notify_rc stop_upnp
Aug 29 21:37:20 rc_service: ip-up 32032:notify_rc start_upnp
Aug 29 21:37:20 rc_service: waitting "stop_upnp" via ip-up ...
Aug 29 21:37:20 miniupnpd[32064]: shutting down MiniUPnPd
Aug 29 21:37:22 ntp: start NTP update
Aug 29 21:37:22 miniupnpd[32075]: HTTP listening on port 44997
Aug 29 21:37:22 miniupnpd[32075]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:37:25 WAN_Connection: WAN was restored.
Aug 29 21:38:27 dnsmasq-dhcp[283]: DHCPDISCOVER(br0) 90:8d:6c:b0:e1:46
Aug 29 21:38:27 dnsmasq-dhcp[283]: DHCPOFFER(br0) 192.168.1.16 90:8d:6c:b0:e1:46
Aug 29 21:38:28 dnsmasq-dhcp[283]: DHCPREQUEST(br0) 192.168.1.16 90:8d:6c:b0:e1:46
Aug 29 21:38:28 dnsmasq-dhcp[283]: DHCPACK(br0) 192.168.1.16 90:8d:6c:b0:e1:46
Aug 29 21:40:14 pppd[329]: No response to 10 echo-requests
Aug 29 21:40:14 pppd[329]: Serial link appears to be disconnected.
Aug 29 21:40:14 pppd[329]: Connect time 2.9 minutes.
Aug 29 21:40:14 pppd[329]: Sent 3054704 bytes, received 14792207 bytes.
Aug 29 21:40:14 miniupnpd[32075]: Failed to get IP for interface ppp0
Aug 29 21:40:14 miniupnpd[32075]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:40:14 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:40:14 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:40:14 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:40:14 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:40:14 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:40:16 WAN_Connection: Fail to connect with some issues.
Aug 29 21:40:16 stop_nat_rules: apply the redirect_rules!
Aug 29 21:40:20 pppd[329]: Connection terminated.
Aug 29 21:40:20 pppd[329]: Sent PADT
Aug 29 21:40:20 pppd[329]: Modem hangup
Aug 29 21:41:05 pppd[329]: Timeout waiting for PADO packets
Aug 29 21:41:34 miniupnpd[32075]: Failed to get ip address for interface ppp0
Aug 29 21:42:01 rc_service: httpd 284:notify_rc start_autodet
Aug 29 21:42:01 kernel: autodet uses obsolete (PF_INET,SOCK_PACKET)
Aug 29 21:42:03 rc_service: httpd 284:notify_rc start_autodet
Aug 29 21:42:20 pppd[329]: Timeout waiting for PADO packets
Aug 29 21:43:35 pppd[329]: Timeout waiting for PADO packets
Aug 29 21:44:50 pppd[329]: Timeout waiting for PADO packets
Aug 29 21:45:06 pppd[329]: PPP session is 1 (0x1)
Aug 29 21:45:06 pppd[329]: Connected to 00:02:3b:10:93:ab via interface eth0
Aug 29 21:45:06 pppd[329]: Using interface ppp0
Aug 29 21:45:06 pppd[329]: Connect: ppp0 <--> eth0
Aug 29 21:45:06 pppd[329]: CHAP authentication succeeded: CHAP authentication success, unit 12765
Aug 29 21:45:06 pppd[329]: CHAP authentication succeeded
Aug 29 21:45:06 pppd[329]: peer from calling number 00:02:3B:10:93:AB authorized
Aug 29 21:45:06 miniupnpd[32075]: Failed to get IP for interface ppp0
Aug 29 21:45:06 miniupnpd[32075]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:45:06 miniupnpd[32075]: Failed to get IP for interface ppp0
Aug 29 21:45:06 miniupnpd[32075]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:45:06 miniupnpd[32075]: Failed to get IP for interface ppp0
Aug 29 21:45:06 miniupnpd[32075]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Aug 29 21:45:06 pppd[329]: local IP address xx.xx.xx.xx
Aug 29 21:45:06 pppd[329]: remote IP address xx.xx.xx.xx
Aug 29 21:45:06 rc_service: ip-up 32294:notify_rc start_firewall
Aug 29 21:45:06 dnsmasq[283]: read /etc/hosts - 5 addresses
Aug 29 21:45:06 dnsmasq[283]: read /etc/hosts.dnsmasq - 19 addresses
Aug 29 21:45:06 dnsmasq-dhcp[283]: read /etc/ethers - 19 addresses
Aug 29 21:45:06 dnsmasq[283]: using nameserver 8.8.8.8#53
Aug 29 21:45:06 dnsmasq[283]: using nameserver 8.8.4.4#53
Aug 29 21:45:06 miniupnpd[32075]: shutting down MiniUPnPd
Aug 29 21:45:06 start_nat_rules: apply the nat_rules(/tmp/nat_rules_ppp0_eth0)!
Aug 29 21:45:06 miniupnpd[32327]: HTTP listening on port 43734
Aug 29 21:45:06 miniupnpd[32327]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:45:07 rc_service: ip-up 32294:notify_rc stop_upnp
Aug 29 21:45:07 miniupnpd[32327]: shutting down MiniUPnPd
Aug 29 21:45:07 rc_service: ip-up 32294:notify_rc start_upnp
Aug 29 21:45:07 ntp: start NTP update
Aug 29 21:45:07 miniupnpd[32337]: HTTP listening on port 35047
Aug 29 21:45:07 miniupnpd[32337]: Listening for NAT-PMP/PCP traffic on port 5351
Aug 29 21:45:11 WAN_Connection: WAN was restored.
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burakkucat

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Re: Connection issues, Router? Or other?
« Reply #1 on: August 30, 2017, 09:49:23 PM »

Reading through the log snippet that you have posted we can clearly see that the PPP session is being terminated by the RT-N66U. The termination occurs due to a sequence of ten failures of the LCP Echo Request / Echo Reply interchanges between Zen's PPP server and your PPP client (the Asus RT-N66U).

Do you have another device that you could temporarily use in place of the RT-N66U?
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V_R

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Re: Connection issues, Router? Or other?
« Reply #2 on: August 31, 2017, 12:38:05 PM »

I do have the ZyXEL VMG1312 that they give you when you join, not used it before though, as I've always had my own router.

Do we think it's the router then? That was my original thought - It is about 3 years old now, maybe it's time to upgrade it to a newer model...

I'm assuming as the modem via DSLstats hasn't reported any resync's it not going to be the connection itself?
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burakkucat

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Re: Connection issues, Router? Or other?
« Reply #3 on: August 31, 2017, 05:21:37 PM »

I cannot say for certain but there is something occurring (or not occurring) that results in the LCP Echo Request / Echo Reply failing for ten successive iterations and, as a consequence, the PPP session is terminated. The PPP session is between your router (the RT-N66U, the client) and Zen's server.

The underlying G.993.2 service, over which the PPP session is carried, is between your modem (the HG612) and the Openreach cabinet based DSLAM. That service remains viable and intact. As you quite rightly assume, any resynchronisation / retrain event should be visible to the monitoring utility.

The Zen supplied ZyXEL VMG1312-B10D can be configured as just a router and could be tried "behind" the HG612, in place of the RT-N66U or it can be configured as an all-in-one-box replacing both the HG612 and the RT-N66U.

The VMG1312-B10D is supported by DSLstats, so you would not loose the monitoring facility if you were to try that latter configuration.
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banger

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Re: Connection issues, Router? Or other?
« Reply #4 on: August 31, 2017, 07:33:12 PM »

Could try changing the PPP Max Echo requests to 15 to see if that cures it. Today I have seen similar symptoms on my DSL-N55U. It has dropped the session a couple of times with similar logs to you so I have increased the Max Echo requests to 15.

Who is your ISP mine is Uno via Daisy via TTB.
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Tim
www.uno.net.uk & freenetname
Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

V_R

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Re: Connection issues, Router? Or other?
« Reply #5 on: September 02, 2017, 11:20:08 AM »

Well typically so far since posting its not done it again...

The only thing I've changed since then is the DHCP Lease time from 24 hours to 3 days as all my devices (the usual home stuff) have a static address and I don't get many new devices connecting and having 20 odd devices all requesting every day seems a little unnecessary and the log was full of DHCP logs.

Could that somehow have been the issue I wonder? Time will tell I guess.

My ISP is Zen, Banger.

Will try the above if it does though.

I shall keep this thread updated and thank you for the replies so far.  :)
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V_R

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Re: Connection issues, Router? Or other?
« Reply #6 on: September 21, 2017, 09:26:29 PM »

I'm back. Still seeing the same issues. I've done a factory restore and upped the Echo Requests up to 15. No dice.

I haven't had a chance to try a difference router yet as I need to contact Zen as I can't log into the one they sent me. Any recommendations if I were to be looking to replace the N66U? :)

Latest log, not sure if it is of any use though.

Code: [Select]
Sep 21 19:35:56 pppd[325]: No response to 15 echo-requests
Sep 21 19:35:56 pppd[325]: Serial link appears to be disconnected.
Sep 21 19:35:56 pppd[325]: Connect time 1524.5 minutes.
Sep 21 19:35:56 pppd[325]: Sent 481472587 bytes, received 2954821162 bytes.
Sep 21 19:35:57 dnsmasq[279]: read /etc/hosts - 5 addresses
Sep 21 19:35:57 dnsmasq[279]: using nameserver 8.8.8.8#53
Sep 21 19:35:57 dnsmasq[279]: using nameserver 8.8.4.4#53
Sep 21 19:35:57 WAN_Connection: Fail to connect with some issues.
Sep 21 19:35:57 stop_nat_rules: apply the redirect_rules!
Sep 21 19:36:02 pppd[325]: Connection terminated.
Sep 21 19:36:03 pppd[325]: Sent PADT
Sep 21 19:36:03 pppd[325]: Modem hangup
Sep 21 19:36:13 pppd[325]: PPP session is 1 (0x1)
Sep 21 19:36:13 pppd[325]: Connected to ac:60:b6:5f:37:f3 via interface eth0
Sep 21 19:36:13 pppd[325]: Using interface ppp0
Sep 21 19:36:13 pppd[325]: Connect: ppp0 <--> eth0
Sep 21 19:36:13 pppd[325]: CHAP authentication succeeded: CHAP authentication success, unit 347
Sep 21 19:36:13 pppd[325]: CHAP authentication succeeded
Sep 21 19:36:13 pppd[325]: peer from calling number AC:60:B6:5F:37:F3 authorized
Sep 21 19:36:13 pppd[325]: local  IP address
Sep 21 19:36:13 pppd[325]: remote IP address
Sep 21 19:36:13 rc_service: ip-up 23079:notify_rc start_firewall
Sep 21 19:36:13 dnsmasq[279]: read /etc/hosts - 5 addresses
Sep 21 19:36:13 dnsmasq[279]: using nameserver 8.8.8.8#53
Sep 21 19:36:13 dnsmasq[279]: using nameserver 8.8.4.4#53
Sep 21 19:36:13 start_nat_rules: apply the nat_rules(/tmp/nat_rules_ppp0_eth0)!
Sep 21 19:36:13 rc_service: ip-up 23079:notify_rc stop_upnp
Sep 21 19:36:13 rc_service: ip-up 23079:notify_rc start_upnp
Sep 21 19:36:13 rc_service: waitting "stop_upnp" via ip-up ...
Sep 21 19:36:14 WAN_Connection: WAN was restored.
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banger

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Re: Connection issues, Router? Or other?
« Reply #7 on: September 21, 2017, 09:58:04 PM »

Nothing wrong with the ZyXEL as a router, I am not sure what Zen set their admin password to but the default is admin 1234.
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Tim
www.uno.net.uk & freenetname
Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

kitzuser87430

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Re: Connection issues, Router? Or other?
« Reply #8 on: September 21, 2017, 10:09:33 PM »

Quote
Any recommendations if I were to be looking to replace the N66U?
I suggest installing a different firmware....tomato http://tomato.groov.pl/

I can set 3 parameters for echo requests (see attachment)

Ian
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anything