pppoe Configuration-
set interfaces pppoe pppoe1 authentication password 'test123'
set interfaces pppoe pppoe1 authentication user 'test'
set interfaces pppoe pppoe1 default-route 'none'
set interfaces pppoe pppoe1 ip adjust-mss '1300'
set interfaces pppoe pppoe1 source-interface 'eth0'
set protocols static route 0.0.0.0/0 interface pppoe1
set protocols static route 1.1.1.1/32 interface pppoe1
set protocols static route 8.8.8.8/32 interface pppoe1
Logs-
Nov 30 12:46:04 pppd[2579]: No response to 3 echo-requests
Nov 30 12:46:04 pppd[2579]: Serial link appears to be disconnected.
Nov 30 12:46:04 pppd[2579]: Connect time 5451.6 minutes.
Nov 30 12:46:04 pppd[2579]: Sent 1736829763 bytes, received 518534600 bytes.
Nov 30 12:46:04 charon[3935]: 06[KNL] interface pppoe1 deactivated
Nov 30 12:46:04 charon[3935]: 15[KNL] fe80::f5ea:3cff:fed0:e4dd disappeared from pppoe1
Nov 30 12:46:04 charon[3935]: 12[KNL] XXX.XXX.XXX.XXX disappeared from pppoe1
Nov 30 12:46:04 pppd[2579]: Script /etc/ppp/ip-down started (pid 3046745)
Nov 30 12:46:04 pppd[2579]: sent [LCP TermReq id=0x2 "Peer not responding"]
Nov 30 12:46:04 pppd[2579]: rcvd [LCP TermAck id=0x2]
Nov 30 12:46:04 pppd[2579]: Connection terminated.
Nov 30 12:46:04 charon[3935]: 14[KNL] interface pppoe1 deleted
Nov 30 12:46:04 bgpd[1225]: [VCGF0-X62M1][EC 100663301] INTERFACE_STATE: Cannot find IF pppoe1 in VRF 0
Nov 30 12:46:04 pppd[2579]: Script /etc/ppp/ip-down finished (pid 3046745), status = 0x0
Nov 30 12:46:05 ntpd[3895]: Deleting interface #4 pppoe1, XXX.XXX.XXX.XXX#123, interface stats: received=1801, sent=1207, dropped=0, active_time=327069 secs
Nov 30 12:46:05 ntpd[3895]: Deleting interface #15 pppoe1, fe80::f5ea:3cff:fed0:e4dd%6#123, interface stats: received=0, sent=0, dropped=0, active_time=327069 secs
Nov 30 12:46:34 pppd[2579]: Send PPPOE Discovery V1T1 PADI session 0x0 length 12
Nov 30 12:46:34 pppd[2579]: dst ff:ff:ff:ff:ff:ff src 00:90:27:e5:32:2c
Nov 30 12:46:34 pppd[2579]: [service-name] [host-uniq 13 0a 00 00]
Nov 30 12:46:34 pppd[2579]: Recv PPPOE Discovery V1T1 PADO session 0x0 length 54
Nov 30 12:46:34 pppd[2579]: dst 00:90:27:e5:32:2c src 84:b5:9c:00:3f:5a
Nov 30 12:46:34 pppd[2579]: [AC-name MAQ-J80-BRAS-T3-SR] [host-uniq 13 0a 00 00] [service-name] [AC-cookie 06 8a 36 90 f5 17 7a 6a 7c e1 39 cd 26 04 c0 c9]
Nov 30 12:46:34 pppd[2579]: Send PPPOE Discovery V1T1 PADR session 0x0 length 32
Nov 30 12:46:34 pppd[2579]: dst 84:b5:9c:00:3f:5a src 00:90:27:e5:32:2c
Nov 30 12:46:34 pppd[2579]: [service-name] [host-uniq 13 0a 00 00] [AC-cookie 06 8a 36 90 f5 17 7a 6a 7c e1 39 cd 26 04 c0 c9]
Nov 30 12:46:34 pppd[2579]: Recv PPPOE Discovery V1T1 PADO session 0x0 length 53
Nov 30 12:46:34 pppd[2579]: dst 00:90:27:e5:32:2c src 30:7c:5e:24:34:c4
Nov 30 12:46:34 pppd[2579]: [AC-name CLT-J5-BRAS-T3-SR] [host-uniq 13 0a 00 00] [service-name] [AC-cookie 06 8a 36 90 f5 17 7a 6a 7c e1 39 cd 26 04 c0 c9]
Nov 30 12:46:34 pppd[2579]: Recv PPPOE Discovery V1T1 PADS session 0x220 length 54
Nov 30 12:46:34 pppd[2579]: dst 00:90:27:e5:32:2c src 84:b5:9c:00:3f:5a
Nov 30 12:46:34 pppd[2579]: [service-name] [host-uniq 13 0a 00 00] [AC-name MAQ-J80-BRAS-T3-SR] [AC-cookie 06 8a 36 90 f5 17 7a 6a 7c e1 39 cd 26 04 c0 c9]
Nov 30 12:46:34 pppd[2579]: PADS: Service-Name: ''
Nov 30 12:46:34 pppd[2579]: PPP session is 544
Nov 30 12:46:34 pppd[2579]: Connected to 84:b5:9c:00:3f:5a via interface eth0
Nov 30 12:46:34 pppd[2579]: using channel 2
Nov 30 12:46:34 kernel: pppoe1: renamed from ppp0
Nov 30 12:46:34 pppd[2579]: Renamed interface ppp0 to pppoe1
Nov 30 12:46:34 pppd[2579]: Using interface pppoe1
Nov 30 12:46:34 pppd[2579]: Connect: pppoe1 <--> eth0
Nov 30 12:46:34 pppd[2579]: sent [LCP ConfReq id=0x3 <mru 1492> <magic 0x8b1c0b4>]
Nov 30 12:46:34 bgpd[1225]: [VCGF0-X62M1][EC 100663301] INTERFACE_STATE: Cannot find IF ppp0 in VRF 0
Nov 30 12:46:34 pppd[2579]: rcvd [LCP ConfReq id=0xd0 <mru 1492> <auth pap> <magic 0x155ce008>]
Nov 30 12:46:34 pppd[2579]: sent [LCP ConfAck id=0xd0 <mru 1492> <auth pap> <magic 0x155ce008>]
Nov 30 12:46:34 pppd[2579]: rcvd [LCP ConfAck id=0x3 <mru 1492> <magic 0x8b1c0b4>]
Nov 30 12:46:34 pppd[2579]: sent [LCP EchoReq id=0x0 magic=0x8b1c0b4]
Nov 30 12:46:34 pppd[2579]: sent [PAP AuthReq id=0x2 user="kl.muhammed.msh" password=<hidden>]
Nov 30 12:46:34 pppd[2579]: rcvd [LCP EchoRep id=0x0 magic=0x155ce008]
Nov 30 12:46:34 systemd-udevd[3046884]: ppp0: Failed to query device driver: No such device
Nov 30 12:46:34 pppd[2579]: rcvd [PAP AuthAck id=0x2 ""]
Nov 30 12:46:34 pppd[2579]: PAP authentication succeeded
Nov 30 12:46:34 pppd[2579]: peer from calling number 84:B5:9C:00:3F:5A authorized
Nov 30 12:46:34 pppd[2579]: sent [IPCP ConfReq id=0x3 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Nov 30 12:46:34 pppd[2579]: rcvd [IPCP ConfReq id=0x41 <addr XXX.XXX.XXX.XXX>]
Nov 30 12:46:34 pppd[2579]: sent [IPCP ConfAck id=0x41 <addr XXX.XXX.XXX.XXX>]
Nov 30 12:46:34 pppd[2579]: rcvd [IPCP ConfNak id=0x3 <addr XXX.XXX.XXX.XXX> <ms-dns1 203.153.41.28> <ms-dns2 203.153.44.44>]
Nov 30 12:46:34 pppd[2579]: sent [IPCP ConfReq id=0x4 <addr XXX.XXX.XXX.XXX> <ms-dns1 203.153.41.28> <ms-dns2 203.153.44.44>]
Nov 30 12:46:34 pppd[2579]: rcvd [IPCP ConfAck id=0x4 <addr XXX.XXX.XXX.XXX> <ms-dns1 203.153.41.28> <ms-dns2 203.153.44.44>]
Nov 30 12:46:34 charon[3935]: 05[KNL] XXX.XXX.XXX.XXX appeared on pppoe1
Nov 30 12:46:34 charon[3935]: 15[KNL] XXX.XXX.XXX.XXX disappeared from pppoe1
Nov 30 12:46:34 zebra[1113]: [H14PW-HFSKN] PtP interface pppoe1 with addr XXX.XXX.XXX.XXX/32 needs a peer address
Nov 30 12:46:34 pppd[2579]: Script /etc/ppp/ip-pre-up started (pid 3046895)
Nov 30 12:46:34 charon[3935]: 09[KNL] XXX.XXX.XXX.XXX appeared on pppoe1
Nov 30 12:46:34 pppd[2579]: Script /etc/ppp/ip-pre-up finished (pid 3046895), status = 0x0
Nov 30 12:46:34 pppd[2579]: local IP address XXX.XXX.XXX.XXX
Nov 30 12:46:34 pppd[2579]: remote IP address XXX.XXX.XXX.XXX
Nov 30 12:46:34 pppd[2579]: primary DNS address 203.153.41.28
Nov 30 12:46:34 charon[3935]: 14[KNL] interface pppoe1 activated
Nov 30 12:46:34 pppd[2579]: secondary DNS address 203.153.44.44
Nov 30 12:46:34 pppd[2579]: Script /etc/ppp/ip-up started (pid 3046898)
Nov 30 12:46:35 pppd[3046908]: executing /etc/ppp/ip-up.d/99-vyos-pppoe-callback
Nov 30 12:46:35 ntpd[3895]: Listen normally on 29 pppoe1 XXX.XXX.XXX.XXX:123
Nov 30 12:46:36 charon[3935]: 07[KNL] fe80::f5ea:3cff:fed0:e4dd appeared on pppoe1
Nov 30 12:46:36 charon[3935]: 05[KNL] flags changed for fe80::f5ea:3cff:fed0:e4dd on pppoe1
Nov 30 12:46:36 pppd[2579]: Script /etc/ppp/ip-up finished (pid 3046898), status = 0x0
Nov 30 12:46:37 ntpd[3895]: Listen normally on 30 pppoe1 [fe80::f5ea:3cff:fed0:e4dd%15]:123