WAN (PPPoE) keeps disconnecting

[CBx86]

Your connection status, accessible in modem.

Something like this:

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Uptime:	15 days, 0:15:01
Modulation:	G.992.5 Annex A
Bandwidth (Up/Down) [kbps/kbps]:	1,279 / 12,797
Data Transferred (Sent/Received) [KB/KB]:	0.00 / 0.00
Output Power (Up/Down) [dBm]:	12.5 / 0.0
Line Attenuation (Up/Down) [dB]:	5.0 / 5.5
SN Margin (Up/Down) [dB]:	6.5 / 23.5
Vendor ID (Local/Remote):	TMMB / µ
Loss of Framing (Local/Remote):	0 / 0
Loss of Signal (Local/Remote):	0 / 0
Loss of Power (Local/Remote):	0 / 0
Loss of Link (Remote):	0
Error Seconds (Local/Remote):	0 / 0
FEC Errors (Up/Down):	0 / 0
CRC Errors (Up/Down):	0 / 0
HEC Errors (Up/Down):	0 / 0

[RomanHK]

Paste here, your modem DSL stats.

It will not be a modem error. It's going well in DD-WRT. The problem will be in the pppd daemon and the settings around it.

[RomanHK]

An interesting topic is here: https://forum.turris.cz/t/pppd-killed-o ... edly/13013
Using the settings in the /etc/ppp/options file, you can set various settings such as debugging, logging, additional commands.

Try playing with the lcp-echo-x commands:

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lcp-echo-failure 0
lcp-echo-interval 0

(I haven't tested whether this will work)