Model :

Hardware Version :

Firmware Version :

ISP :

I get disconnects several time daily (I see them on the log). The reconnect takes several minutes (DHCP requests, reestablishing connections etc.). How can I determine if it is a provider issue or a modem issue?

The log section looks like:
...
2017-09-05 10:17:49 [6] PPP: ppp1 sent [IPCP ConfReq id=0x1 017-09-05 10:17:40 [3] PPP: ppp1 User request
2017-09-05 10:17:40 [3] PPP: ppp1 LCP down
2017-09-05 10:17:40 [4] PPP: ppp1 LCP down
2017-09-05 10:17:40 [6] PPP: ppp1 sent [LCP TermReq id=0x2 "User request"]
2017-09-05 10:17:43 [6] PPP: ppp1 sent [LCP TermReq id=0x3 "User request"]
2017-09-05 10:17:47 [3] PPP: ppp1
2017-09-05 10:17:49 [6] PPP: ppp1 sent [PADI Host-Uniq(0x00007633)]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [PADO PeerMac(24-af-4a-c6-31-16)]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [PADR Host-Uniq(0x00007633)]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [PADS SessionID(0x2716)]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [LCP ConfReq id=0x1 ]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [LCP ConfReq id=0x26 ]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [LCP ConfAck id=0x26 ]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [LCP ConfAck id=0x1 ]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [LCP EchoReq id=0x0 magic=0x86a5a32e]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [PAP AuthReq id=0x1 user="bz45350068@018" password=]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [LCP EchoRep id=0x0 magic=0x3b9377d4]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [PAP AuthAck id=0x1 ""] ]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [IPCP ConfNak id=0x1 ]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [IPCP ConfReq id=0x2 ]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [IPCP ConfAck id=0x2 ]
2017-09-05 10:17:49 [6] PPP: ppp1 rcvd [IPCP ConfReq id=0xb5 ]
2017-09-05 10:17:49 [6] PPP: ppp1 sent [IPCP ConfAck id=0xb5 ]
........