大家有没有遇到这种情况，想知道这玩意是不是自己路由器设置的问题，7 天断开一次。 打游戏、看视频会突然卡住

查看路由器日志，发现 LCP terminated by peer ，网络重新连接

Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: LCP terminated by peer
Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: Connect time 8633.4 minutes.
Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: Sent 1612790935 bytes, received 1478016366 bytes.
Wed Jun  8 18:37:49 2022 daemon.err miniupnpd[4503]: ioctl(s, SIOCGIFADDR, ...): Address not available
Wed Jun  8 18:37:49 2022 daemon.err miniupnpd[4503]: Failed to get IP for interface pppoe-wan
Wed Jun  8 18:37:49 2022 daemon.warn miniupnpd[4503]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Wed Jun  8 18:37:49 2022 daemon.err odhcp6c[24450]: Failed to send RS (Permission denied)
Wed Jun  8 18:37:49 2022 daemon.err odhcp6c[24450]: Failed to send RELEASE message to ff02::1:2 (Permission denied)
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Network device 'pppoe-wan' link is down
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Network alias 'pppoe-wan' link is down
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan_6' has link connectivity loss
Wed Jun  8 18:37:49 2022 daemon.notice pppd[24085]: Modem hangup
Wed Jun  8 18:37:49 2022 daemon.notice pppd[24085]: Connection terminated.
Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: Connect time 8633.4 minutes.
Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: Sent 1612790995 bytes, received 1478035659 bytes.
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan' has lost the connection
Wed Jun  8 18:37:49 2022 daemon.notice netifd: wan_6 (24450): Command failed: Permission denied
Wed Jun  8 18:37:49 2022 daemon.info pppd[24085]: Exit.
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan' is now down
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan' is disabled
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan6' is disabled
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan' is enabled
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan' is setting up now
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan6' is enabled
Wed Jun  8 18:37:49 2022 kern.info kernel: [2071958.711108] 8021q: adding VLAN 0 to HW filter on device eth1
Wed Jun  8 18:37:49 2022 daemon.err insmod: module is already loaded - slhc
Wed Jun  8 18:37:49 2022 daemon.err insmod: module is already loaded - ppp_generic
Wed Jun  8 18:37:49 2022 daemon.err insmod: module is already loaded - pppox
Wed Jun  8 18:37:49 2022 daemon.err insmod: module is already loaded - pppoe
Wed Jun  8 18:37:49 2022 daemon.notice netifd: wan (14986): uci: Entry not found
Wed Jun  8 18:37:49 2022 daemon.notice netifd: wan (14986): sh: out of range
Wed Jun  8 18:37:49 2022 daemon.info pppd[15003]: Plugin pppoe.so loaded.
Wed Jun  8 18:37:49 2022 daemon.info pppd[15003]: PPPoE plugin from pppd 2.4.9
Wed Jun  8 18:37:49 2022 daemon.notice pppd[15003]: pppd 2.4.9 started by root, uid 0
Wed Jun  8 18:37:49 2022 daemon.info pppd[15003]: PPP session is 34771
Wed Jun  8 18:37:49 2022 daemon.warn pppd[15003]: Connected to ac:85:3d:bd:f4:7f via interface eth1
Wed Jun  8 18:37:49 2022 daemon.err odhcp6c[24450]: Failed to send SOLICIT message to ff02::1:2 (Permission denied)
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan_6' is now down
Wed Jun  8 18:37:49 2022 kern.info kernel: [2071958.893438] pppoe-wan: renamed from ppp0
Wed Jun  8 18:37:49 2022 daemon.info pppd[15003]: Renamed interface ppp0 to pppoe-wan
Wed Jun  8 18:37:49 2022 daemon.info pppd[15003]: Using interface pppoe-wan
Wed Jun  8 18:37:49 2022 daemon.notice pppd[15003]: Connect: pppoe-wan <--> eth1
Wed Jun  8 18:37:49 2022 daemon.notice netifd: Interface 'wan_6' is disabled
Wed Jun  8 18:37:52 2022 daemon.info pppd[15003]: syncppp not active
Wed Jun  8 18:37:52 2022 daemon.info pppd[15003]: CHAP authentication succeeded: SUCCESS.
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: CHAP authentication succeeded
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: peer from calling number AC:85:3D:BD:F4:7F authorized
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: local  LL address fe80::16cb:4487:d3be:85ba
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: remote LL address fe80::ae85:3dff:febd:f47f
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: local  IP address 100.64.134.132
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: remote IP address 100.64.0.1
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: primary   DNS address 61.139.2.69
Wed Jun  8 18:37:52 2022 daemon.notice pppd[15003]: secondary DNS address 218.6.200.139
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Network device 'pppoe-wan' link is up
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Interface 'wan' is now up
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Network alias 'pppoe-wan' link is up
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Interface 'wan_6' is enabled
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Interface 'wan_6' has link connectivity
Wed Jun  8 18:37:52 2022 daemon.notice netifd: Interface 'wan_6' is setting up now
Wed Jun  8 18:37:52 2022 user.notice firewall: Reloading firewall due to ifup of wan (pppoe-wan)
Wed Jun  8 18:37:53 2022 user.notice nlbwmon: Reloading nlbwmon due to ifup of wan (pppoe-wan)
Wed Jun  8 18:37:54 2022 user.notice firewall: Reloading firewall due to ifupdate of wan (pppoe-wan)
Wed Jun  8 18:37:55 2022 daemon.notice netifd: Interface 'wan_6' is now up
Wed Jun  8 18:37:55 2022 user.notice firewall: Reloading firewall due to ifup of wan_6 (pppoe-wan)
Wed Jun  8 18:37:57 2022 user.notice nlbwmon: Reloading nlbwmon due to ifup of wan_6 (pppoe-wan)

网上查看发现是 ISP 主动断开的，又翻了日志发现之前还有，而且间隔是 7 天

Thu Jun  2 18:44:26 2022 daemon.info pppd[24864]: LCP terminated by peer
……
Fri May 27 18:51:03 2022 daemon.info pppd[31631]: LCP terminated by peer
……
Sat May 21 18:57:40 2022 daemon.info pppd[2549]: LCP terminated by peer

日志只有这么长了