opnsense
incorrect WAN IP address on PPPOE
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Describe the bug
I have been troubleshooting wireguard all day, and finally turned the wireguard logging to information from warning. I got the following:
2024-10-18T13:00:42 Notice wireguard /usr/local/opnsense/scripts/Wireguard/wg-service-control.php: plugins_configure monitor (execute task : dpinger_configure_do(,[])) 2024-10-18T13:00:42 Notice wireguard /usr/local/opnsense/scripts/Wireguard/wg-service-control.php: plugins_configure monitor (,[]) 2024-10-18T13:00:42 Notice wireguard /usr/local/opnsense/scripts/Wireguard/wg-service-control.php: ROUTING: keeping inet default route to 84.65.192.1 2024-10-18T13:00:42 Notice wireguard /usr/local/opnsense/scripts/Wireguard/wg-service-control.php: ROUTING: configuring inet default gateway on wan 2024-10-18T13:00:42 Notice wireguard /usr/local/opnsense/scripts/Wireguard/wg-service-control.php: ROUTING: entering configure using opt5 2024-10-18T13:00:41 Notice wireguard wireguard instance OPNSenseHome (wg0) can not reconfigure without stopping it first. 2024-10-18T13:00:37 Notice wireguard wireguard instance OPNSenseHome (wg0) started
I wondered where 84.65.192.1 was coming from so ran curl ifconfig.me and got simon@laptop:~$ curl ifconfig.me 90.240.3.173
In the lobby it says:
I think this is the first time it has been wrong, but it is wrong.
Tip: to validate your setup was working with the previous version, use opnsense-revert (https://docs.opnsense.org/manual/opnsense_tools.html#opnsense-revert)
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Environment
Software version used and hardware type if relevant, e.g.:
OPNsense 23.7.8 (amd64). Intel® Xeon™ E3-1225V5 3.3Ghz Quad Core Network Intel® I210-AT
2024-10-17T22:36:38 Informational ppp [wan] IFACE: Up event
2024-10-17T22:36:38 Notice ppp ppp-linkup: executing on pppoe0 for inet
2024-10-17T22:36:38 Informational ppp [wan] 90.240.3.173 -> 84.65.192.1
2024-10-17T22:36:38 Informational ppp [wan] IPCP: LayerUp
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Ack-Sent --> Opened
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Ack #3 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigReq #3
2024-10-17T22:36:38 Informational ppp [wan] 90.240.3.173 is OK
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Nak #2 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 0.0.0.0
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigReq #2
2024-10-17T22:36:38 Informational ppp [wan] COMPPROTO VJCOMP, 16 comp. channels, no comp-cid
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Reject #1 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Req-Sent --> Ack-Sent
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 84.65.192.1
Severity
Process
Line
2024-10-17T22:36:38 Informational ppp [wan] IFACE: Rename interface ng0 to pppoe0
2024-10-17T22:36:38 Informational ppp [wan] IFACE: Up event
2024-10-17T22:36:38 Notice ppp ppp-linkup: executing on pppoe0 for inet
2024-10-17T22:36:38 Informational ppp [wan] 90.240.3.173 -> 84.65.192.1
2024-10-17T22:36:38 Informational ppp [wan] IPCP: LayerUp
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Ack-Sent --> Opened
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Ack #3 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigReq #3
2024-10-17T22:36:38 Informational ppp [wan] 90.240.3.173 is OK
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 90.240.3.173
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Nak #2 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 0.0.0.0
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigReq #2
2024-10-17T22:36:38 Informational ppp [wan] COMPPROTO VJCOMP, 16 comp. channels, no comp-cid
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Reject #1 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Req-Sent --> Ack-Sent
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 84.65.192.1
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigAck #193
2024-10-17T22:36:38 Informational ppp [wan] 84.65.192.1 is OK
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 84.65.192.1
2024-10-17T22:36:38 Informational ppp [wan] IPCP: rec'd Configure Request #193 (Req-Sent)
2024-10-17T22:36:38 Informational ppp [wan] COMPPROTO VJCOMP, 16 comp. channels, no comp-cid
2024-10-17T22:36:38 Informational ppp [wan] IPADDR 0.0.0.0
2024-10-17T22:36:38 Informational ppp [wan] IPCP: SendConfigReq #1
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Starting --> Req-Sent
2024-10-17T22:36:38 Informational ppp [wan] IPCP: Up event
2024-10-17T22:36:38 Informational ppp [wan] IPCP: LayerStart
2024-10-17T22:36:38 Informational ppp [wan] IPCP: state change Initial --> Starting
2024-10-17T22:36:38 Informational ppp [wan] IPCP: Open event
2024-10-17T22:36:38 Informational ppp [wan] Bundle: Status update: up 1 link, total bandwidth 64000 bps
2024-10-17T22:36:38 Informational ppp [wan_link0] Link: Join bundle "wan"
2024-10-17T22:36:38 Informational ppp [wan_link0] Link: Matched action 'bundle "wan" ""'
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: authorization successful
2024-10-17T22:36:38 Informational ppp [wan_link0] MESG: CHAP authentication success
2024-10-17T22:36:38 Informational ppp [wan_link0] CHAP: rec'd SUCCESS #1 len: 31
2024-10-17T22:36:38 Informational ppp [wan_link0] CHAP: sending RESPONSE #1 len: 58
2024-10-17T22:36:38 Informational ppp [wan_link0] CHAP: Using authname "dsl00@redacted"
2024-10-17T22:36:38 Informational ppp [wan_link0] Name: "BSHN07-BNG-C1"
2024-10-17T22:36:38 Informational ppp [wan_link0] CHAP: rec'd CHALLENGE #1 len: 64
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: LayerUp
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: auth: peer wants CHAP, I want nothing
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: state change Ack-Sent --> Opened
2024-10-17T22:36:38 Informational ppp [wan_link0] MAGICNUM 0x4e79db79
2024-10-17T22:36:38 Informational ppp [wan_link0] MRU 1492
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: rec'd Configure Ack #2 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan_link0] MAGICNUM 0x4e79db79
2024-10-17T22:36:38 Informational ppp [wan_link0] MRU 1492
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: SendConfigReq #2
2024-10-17T22:36:38 Informational ppp [wan_link0] PROTOCOMP
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: rec'd Configure Reject #1 (Ack-Sent)
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: state change Req-Sent --> Ack-Sent
2024-10-17T22:36:38 Informational ppp [wan_link0] MAGICNUM 0x0d65c0ce
2024-10-17T22:36:38 Informational ppp [wan_link0] AUTHPROTO CHAP MD5
2024-10-17T22:36:38 Informational ppp [wan_link0] MRU 1492
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: SendConfigAck #183
2024-10-17T22:36:38 Informational ppp [wan_link0] MAGICNUM 0x0d65c0ce
2024-10-17T22:36:38 Informational ppp [wan_link0] AUTHPROTO CHAP MD5
2024-10-17T22:36:38 Informational ppp [wan_link0] MRU 1492
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: rec'd Configure Request #183 (Req-Sent)
2024-10-17T22:36:38 Informational ppp [wan_link0] MAGICNUM 0x4e79db79
2024-10-17T22:36:38 Informational ppp [wan_link0] MRU 1492
2024-10-17T22:36:38 Informational ppp [wan_link0] PROTOCOMP
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: SendConfigReq #1
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: state change Starting --> Req-Sent
2024-10-17T22:36:38 Informational ppp [wan_link0] LCP: Up event
2024-10-17T22:36:38 Informational ppp [wan_link0] Link: UP event
2024-10-17T22:36:38 Informational ppp [wan_link0] PPPoE: connection successful
2024-10-17T22:36:38 Informational ppp PPPoE: rec'd ACNAME "BSHN07-BNG-C1"
2024-10-17T22:36:36 Informational ppp [wan_link0] PPPoE: Connecting to ''
2024-10-17T22:36:36 Informational ppp [wan_link0] LCP: LayerStart
2024-10-17T22:36:36 Informational ppp [wan_link0] LCP: state change Initial --> Starting
2024-10-17T22:36:36 Informational ppp [wan_link0] LCP: Open event
2024-10-17T22:36:36 Informational ppp [wan_link0] Link: OPEN event
2024-10-17T22:36:36 Informational ppp [wan] Bundle: Interface ng0 created
2024-10-17T22:36:36 Informational ppp web: web is not running
2024-10-17T22:36:36 Informational ppp process 87669 started, version 5.9
2024-10-17T22:36:36 Informational ppp
2024-10-17T22:36:36 Informational ppp Multi-link PPP daemon for FreeBSD```
interestingly it seems to be correct when I ssh in to the machine:
WAN (pppoe0) -> v4/PPPoE: 90.240.3.173/32
okay, WAN_GW is different to WAN, but I am unsure which wireguard should be set to and if it is correct.
84.65.192.1 (WAN_GW) is the gateway of your internet connection i.e. the IP address of the router at your ISP (this is your ISP) 90.240.3.173 is the IP address your router (in this case OPNsense) has been assigned by your ISP (this is YOU)
If you want things to connect to you then they will use the 90.240.3.173 address
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