Occasional Disconnect

Discussions for BiPAC 8800 series: 8800NL, 8800NLR2, 8800AXL, 8800AXLR2
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willyc
Posts: 1
Joined: Mon Apr 04, 2022 9:56 am

Occasional Disconnect

Post by willyc »

I have software running that needs to be online 24/7.

I've got a BiPAC 8800AXL R2 that's upgraded to the latest firmware 2.52.d18. Everything runs fine 99.9% of the time and has been for many many years. Every now and then I get overnight disconnects, which I assume is someone doing something at the exchange. The issue I have is that the router doesn't reconnect without me manually rebooting it. It will always reconnect perfectly happily after a reboot.

I'm using Plusnet.

The log looks like this on repeat.

Code: Select all

Apr  4 00:53:27 daemon notice syslog: PPP: Start to connect ...
Apr  4 00:53:27 daemon crit syslog: session disconnect pppoe.oldsession=, pppConnectCount=56
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 115 - ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 131 - pppoe: Sending PADI ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 148 - going to send_disc...
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:28 daemon notice syslog: session_connect - 686 - ================================...
Apr  4 00:53:28 daemon notice syslog: session_connect - 695 - retransmits = 0, retries = 8...
Apr  4 00:53:30 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:30 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:30 daemon notice syslog: session_connect - 695 - retransmits = 1, retries = 8...
Apr  4 00:53:31 daemon info syslog: sending OFFER to IP:192.168.1.111, MAC:b0:4a:39:38:09:36
Apr  4 00:53:31 daemon info syslog: sending ACK to IP:192.168.1.111, MAC:b0:4a:39:38:09:36
Apr  4 00:53:33 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:33 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:33 daemon notice syslog: session_connect - 695 - retransmits = 2, retries = 8...
Apr  4 00:53:36 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:36 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:36 daemon notice syslog: session_connect - 695 - retransmits = 3, retries = 8...
Apr  4 00:53:39 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:39 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:39 daemon notice syslog: session_connect - 695 - retransmits = 4, retries = 8...
Apr  4 00:53:42 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:42 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:42 daemon notice syslog: session_connect - 695 - retransmits = 5, retries = 8...
Apr  4 00:53:45 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:45 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:45 daemon notice syslog: session_connect - 695 - retransmits = 6, retries = 8...
Apr  4 00:53:48 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:48 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:48 daemon notice syslog: session_connect - 695 - retransmits = 7, retries = 8...
Apr  4 00:53:51 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:51 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:51 daemon err syslog: pppd:Couldn't get channel number: Transport endpoint is not connected
Apr  4 00:53:51 daemon notice syslog: pppd:Couldn't reset tty to normal line discipline: Inappropriate ioctl for device
Apr  4 00:53:51 daemon notice syslog: pppd:Doing disconnect
Apr  4 00:53:51 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
If anyone has any ideas about the possible cause of this or how I can improve stability and/or fix the reconnection issue, that'd be appreciated.

Thanks.
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billion_fan
Posts: 5398
Joined: Tue Jul 19, 2011 4:30 pm

Re: Occasional Disconnect

Post by billion_fan »

willyc wrote: ↑Mon Apr 04, 2022 10:05 am I have software running that needs to be online 24/7.

I've got a BiPAC 8800AXL R2 that's upgraded to the latest firmware 2.52.d18. Everything runs fine 99.9% of the time and has been for many many years. Every now and then I get overnight disconnects, which I assume is someone doing something at the exchange. The issue I have is that the router doesn't reconnect without me manually rebooting it. It will always reconnect perfectly happily after a reboot.

I'm using Plusnet.

The log looks like this on repeat.

Code: Select all

Apr  4 00:53:27 daemon notice syslog: PPP: Start to connect ...
Apr  4 00:53:27 daemon crit syslog: session disconnect pppoe.oldsession=, pppConnectCount=56
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 115 - ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 131 - pppoe: Sending PADI ...
Apr  4 00:53:28 daemon notice syslog: std_init_disc - 148 - going to send_disc...
Apr  4 00:53:28 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:28 daemon notice syslog: session_connect - 686 - ================================...
Apr  4 00:53:28 daemon notice syslog: session_connect - 695 - retransmits = 0, retries = 8...
Apr  4 00:53:30 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:30 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:30 daemon notice syslog: session_connect - 695 - retransmits = 1, retries = 8...
Apr  4 00:53:31 daemon info syslog: sending OFFER to IP:192.168.1.111, MAC:b0:4a:39:38:09:36
Apr  4 00:53:31 daemon info syslog: sending ACK to IP:192.168.1.111, MAC:b0:4a:39:38:09:36
Apr  4 00:53:33 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:33 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:33 daemon notice syslog: session_connect - 695 - retransmits = 2, retries = 8...
Apr  4 00:53:36 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:36 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:36 daemon notice syslog: session_connect - 695 - retransmits = 3, retries = 8...
Apr  4 00:53:39 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:39 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:39 daemon notice syslog: session_connect - 695 - retransmits = 4, retries = 8...
Apr  4 00:53:42 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:42 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:42 daemon notice syslog: session_connect - 695 - retransmits = 5, retries = 8...
Apr  4 00:53:45 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:45 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:45 daemon notice syslog: session_connect - 695 - retransmits = 6, retries = 8...
Apr  4 00:53:48 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:48 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:48 daemon notice syslog: session_connect - 695 - retransmits = 7, retries = 8...
Apr  4 00:53:51 daemon notice syslog: session_connect - 741 - going to send_disc...
Apr  4 00:53:51 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0x9 ...
Apr  4 00:53:51 daemon err syslog: pppd:Couldn't get channel number: Transport endpoint is not connected
Apr  4 00:53:51 daemon notice syslog: pppd:Couldn't reset tty to normal line discipline: Inappropriate ioctl for device
Apr  4 00:53:51 daemon notice syslog: pppd:Doing disconnect
Apr  4 00:53:51 daemon notice syslog: send_disc - 470 - Sent packet - Code: 0xa7 ...
If anyone has any ideas about the possible cause of this or how I can improve stability and/or fix the reconnection issue, that'd be appreciated.

Thanks.
It looks like there might be a issue at the exchange or on the line, as we can see retransmits/ retries, followed by Couldn't get channel number: Transport endpoint is not connected, which means no response.

You might want to check with PlusNet and let them run some checks
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