PPPoE disconnects after updating Merlin 386.1_2

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envyapple

New Around Here
Hey Pros,

After updating the new merlin's firmware (RT-AC68U 386.1_2) for AC66U_B1, the Internet (PPPoE) works well for about 2 mins then disconnected by itself. So I did reset and reflash the router again, it shows the same result.

In order to use the Internet, I have to flash back 384.19 version (14-Aug-2020) which works well for me. How can I diagnosis the problem? What's "LCP terminated by peer" as logs mentioned below? the msg "dnsmasq[3372]" were slightly modified in order to follow the forums rules.

Code:
Mar  3 18:25:37 dnsmasq[3372]: using nameserver 218.*.*.*#53
Mar  3 18:25:37 dnsmasq[3372]: using nameserver 61.*.*.*#53
Mar  3 18:27:25 pppd[3021]: LCP terminated by peer
Mar  3 18:27:25 pppd[3021]: Connect time 2.4 minutes.
Mar  3 18:27:25 pppd[3021]: Sent 481180 bytes, received 4246143 bytes.
Mar  3 18:27:25 lldpd[213]: removal request for address of 100.*.*.*%22, but no knowledge of it
Mar  3 18:27:25 dnsmasq[3372]: read etc hosts - 6 addresses
Mar  3 18:27:25 dnsmasq[3372]: read etc hosts.dnsmasq - 0 addresses
Mar  3 18:27:25 dnsmasq[3372]: using nameserver 218.*.*.*#53
Mar  3 18:27:25 dnsmasq[3372]: using nameserver 61.*.*.*#53
Mar  3 18:27:26 WAN_Connection: Fail to connect with some issues.
Mar  3 18:27:26 DualWAN: skip single wan wan_led_control - WANRED off
Mar  3 18:27:28 pppd[3021]: Connection terminated.
Mar  3 18:27:28 pppd[3021]: Sent PADT
Mar  3 18:27:28 pppd[3021]: Modem hangup
Mar  3 18:27:38 pppd[3021]: PPP session is 13403 (0x345b)
Mar  3 18:27:38 pppd[3021]: Connected to 04:*:*:*:*:0f via interface eth0
Mar  3 18:27:38 pppd[3021]: Using interface ppp0
Mar  3 18:27:38 pppd[3021]: Connect: ppp0 <--> eth0
Mar  3 18:28:38 pppd[3021]: LCP: timeout sending Config-Requests
Mar  3 18:28:38 pppd[3021]: Connection terminated.
Mar  3 18:28:39 pppd[3021]: Sent PADT
Mar  3 18:28:39 pppd[3021]: Modem hangup
Mar  3 18:28:49 pppd[3021]: PPP session is 9262 (0x242e)
Mar  3 18:28:49 pppd[3021]: Connected to 04:*:*:*:*:0f via interface eth0
Mar  3 18:28:49 pppd[3021]: Using interface ppp0
Mar  3 18:28:49 pppd[3021]: Connect: ppp0 <--> eth0
 
Last edited:

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