pfSense v2.1.5, PPPoE, Draytek Vigor 120 v2 PPPoA
These are notes from early 2015 before pfSense/FreeBSD had RFC-4638 support.
mpd_wan.conf:29: Error in 'set link mtu 1500': max MTU on type "pppoe" links is 1492
Links
1500 MTU
- https://forum.pfsense.org/index.php?topic=74183.0
- https://forum.pfsense.org/index.php?topic=61876.0
- https://forum.pfsense.org/index.php?topic=82939.0
- https://forum.pfsense.org/index.php?topic=87590.0
- https://lists.pfsense.org/pipermail/list/2014-January/005422.html
- https://redmine.pfsense.org/issues/2209
- http://www.geekzone.co.nz/forums.asp?forumid=39&topicid=142808
- http://forums.whirlpool.net.au/archive/2092530
- http://www.michaelm.info/blog/?p=1245
- http://efemoral.lovius.net/achieving-an-mtu-of-1500-on-bt-fttc/
- https://redmine.pfsense.org/issues/4542
- https://www.farside.org.uk/200903/ipoeoatm
- http://wand.net.nz/~513/2006/readings/adsl-2.pdf
Appendices
ppp log
ppp: Multi-link PPP daemon for FreeBSD ppp: ppp: process 5935 started, version 5.7 (root@pfSense_RELENG_2_2_amd64-pfSense-job-08 16:46 13-Feb-2015) ppp: web: web is not running ppp: [wan] Bundle: Interface ng0 created ppp: [wan_link0] Link: OPEN event ppp: [wan_link0] LCP: Open event ppp: [wan_link0] LCP: state change Initial --> Starting ppp: [wan_link0] LCP: LayerStart ppp: [wan_link0] PPPoE: Connecting to '' ppp: PPPoE: rec'd ACNAME "Vigor2000 PPPoE" ppp: [wan_link0] PPPoE: connection successful ppp: [wan_link0] Link: UP event ppp: [wan_link0] LCP: Up event ppp: [wan_link0] LCP: state change Starting --> Req-Sent ppp: [wan_link0] LCP: SendConfigReq #1 ppp: [wan_link0] PROTOCOMP ppp: [wan_link0] MRU 1492 ppp: [wan_link0] MAGICNUM cd36e018 ppp: [wan_link0] LCP: SendConfigReq #2 ppp: [wan_link0] PROTOCOMP ppp: [wan_link0] MRU 1492 ppp: [wan_link0] MAGICNUM cd36e018 ppp: [wan_link0] LCP: rec'd Configure Request #219 (Req-Sent) ppp: [wan_link0] AUTHPROTO PAP ppp: [wan_link0] MAGICNUM 51238171 ppp: [wan_link0] LCP: SendConfigAck #219 ppp: [wan_link0] AUTHPROTO PAP ppp: [wan_link0] MAGICNUM 51238171 ppp: [wan_link0] LCP: state change Req-Sent --> Ack-Sent ppp: [wan_link0] LCP: rec'd Configure Ack #2 (Ack-Sent) ppp: [wan_link0] PROTOCOMP ppp: [wan_link0] MRU 1492 ppp: [wan_link0] MAGICNUM cd36e018 ppp: [wan_link0] LCP: state change Ack-Sent --> Opened ppp: [wan_link0] LCP: auth: peer wants PAP, I want nothing ppp: [wan_link0] PAP: using authname "username@snap.net.nz" ppp: [wan_link0] PAP: sending REQUEST #1 len: 42 ppp: [wan_link0] LCP: LayerUp ppp: [wan_link0] PAP: rec'd ACK #1 len: 5 ppp: [wan_link0] LCP: authorization successful ppp: [wan_link0] Link: Matched action 'bundle "wan" ""' ppp: [wan_link0] Link: Join bundle "wan" ppp: [wan] Bundle: Status update: up 1 link, total bandwidth 64000 bps ppp: [wan] IPCP: Open event ppp: [wan] IPCP: state change Initial --> Starting ppp: [wan] IPCP: LayerStart ppp: [wan] IPV6CP: Open event ppp: [wan] IPV6CP: state change Initial --> Starting ppp: [wan] IPV6CP: LayerStart ppp: [wan] IPCP: Up event ppp: [wan] IPCP: state change Starting --> Req-Sent ppp: [wan] IPCP: SendConfigReq #1 ppp: [wan] IPADDR 0.0.0.0 ppp: [wan] COMPPROTO VJCOMP, 16 comp. channels, no comp-cid ppp: [wan] IPV6CP: Up event ppp: [wan] IPV6CP: state change Starting --> Req-Sent ppp: [wan] IPV6CP: SendConfigReq #1 ppp: [wan] IPCP: rec'd Configure Reject #1 (Req-Sent) ppp: [wan] COMPPROTO VJCOMP, 16 comp. channels, no comp-cid ppp: [wan] IPCP: SendConfigReq #2 ppp: [wan] IPADDR 0.0.0.0 ppp: [wan] IPV6CP: rec'd Configure Ack #1 (Req-Sent) ppp: [wan] IPV6CP: state change Req-Sent --> Ack-Rcvd ppp: [wan] IPCP: rec'd Configure Nak #2 (Req-Sent) ppp: [wan] IPADDR 123.255.40.190 ppp: [wan] 123.255.40.190 is OK ppp: [wan] IPCP: SendConfigReq #3 ppp: [wan] IPADDR 123.255.40.190 ppp: [wan] IPCP: rec'd Configure Ack #3 (Req-Sent) ppp: [wan] IPADDR 123.255.40.190 ppp: [wan] IPCP: state change Req-Sent --> Ack-Rcvd ppp: [wan] IPCP: rec'd Configure Request #223 (Ack-Rcvd) ppp: [wan] IPADDR 111.69.1.254 ppp: [wan] 111.69.1.254 is OK ppp: [wan] IPCP: SendConfigAck #223 ppp: [wan] IPADDR 111.69.1.254 ppp: [wan] IPCP: state change Ack-Rcvd --> Opened ppp: [wan] IPCP: LayerUp ppp: [wan] 123.255.40.190 -> 111.69.1.254 ppp: [wan] IFACE: Up event ppp: [wan] IFACE: Rename interface ng0 to pppoe0 ppp: [wan] IPV6CP: rec'd Configure Request #85 (Ack-Rcvd) ppp: [wan] IPV6CP: SendConfigAck #85 ppp: [wan] IPV6CP: state change Ack-Rcvd --> Opened ppp: [wan] IPV6CP: LayerUp ppp: [wan] c16c:122c:e983:581f -> 02a0:a50f:fc7c:8612