MPD 3.13 PPTP server MTU problems & questions

Yann Nottara Wed, 16 Jul 2003 11:32:23 -0700

Hello,

I've been running a FreeBSD 4.7 box with a MPD 3.13 PPTP VPN server for quite some time now and, altough it mostly works, I'd like to iron out some problems we encounter.

Configuration (that gives an IP address in a 192.168.0.0/24 local network to 16 Win2k clients at this moment) is done according to the following model :

MPD PPTP, DNS & Samba server is 192.168.0.10

mpd.conf
*****************************************
default:
        load pptp0

pptp0:
        new -i ng0 pptp0 pptp0
        set iface route 192.168.0.10/24
        set iface disable on-demand
        set iface enable proxy-arp
        set iface idle 3600
        set bundle enable multilink
        set link yes acfcomp protocomp
        set link no pap chap
        set link enable chap
        set link keep-alive 10 60
        set link mtu 1460
        set ipcp yes vjcomp
        set ipcp ranges 192.168.0.10/32 192.168.0.204/32
        set ipcp dns 192.168.0.10
        set ipcp nbns 192.168.0.10
        set bundle enable compression
        set ccp yes mppc
        set ccp no mpp-e40
        set ccp yes mpp-e128
        set ccp yes mpp-stateless

******************************************


mpd.links
******************************************
pptp0:
        set link type pptp
        set pptp self 192.168.0.10
        set pptp enable incoming
        set pptp disable originate
******************************************

As you'll see in the logs below and from ifconfig output, altough the ngX interfaces MTU is set to 1460 with "set link mtu 1460", it stays at 1500. Any idea why ?


***************************************
[EMAIL PROTECTED] ~ $ ifconfig
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.0.10 netmask 0xffffff00 broadcast 192.168.0.255
        inet6 fe80::2b0:d0ff:fee1:4874%fxp0 prefixlen 64 scopeid 0x1
        ether 00:b0:d0:e1:48:74
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
fxp1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
        ether 00:b0:d0:e1:48:75
        media: Ethernet autoselect (none)
        status: no carrier
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet 127.0.0.1 netmask 0xff000000
ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
faith0: flags=8002<BROADCAST,MULTICAST> mtu 1500
ng0: flags=88d1<UP,POINTOPOINT,RUNNING,NOARP,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2b0:d0ff:fee1:4874%ng0 prefixlen 64 scopeid 0x7
        inet 192.168.0.10 --> 192.168.0.204 netmask 0xffffffff
ng1: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2b0:d0ff:fee1:4874%ng1 prefixlen 64 scopeid 0x8
ng2: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2b0:d0ff:fee1:4874%ng2 prefixlen 64 scopeid 0x9
ng3: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2b0:d0ff:fee1:4874%ng3 prefixlen 64 scopeid 0xa
ng4: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::2b0:d0ff:fee1:4874%ng4 prefixlen 64 scopeid 0xb
ng5: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng6: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng7: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng8: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng9: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng10: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng11: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng12: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng13: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng14: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng15: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500
ng16: flags=8890<POINTOPOINT,NOARP,SIMPLEX,MULTICAST> mtu 1500

mpd.log ******************************************* Jul 16 18:52:11 bull mpd: mpd: PPTP connection from 123.456.789.12:25833 Jul 16 18:52:11 bull mpd: pptp0: attached to connection with 123.456.789.12:25833 Jul 16 18:52:11 bull mpd: [pptp0] IFACE: Open event Jul 16 18:52:11 bull mpd: [pptp0] IPCP: Open event Jul 16 18:52:11 bull mpd: [pptp0] IPCP: state change Initial --> Starting Jul 16 18:52:11 bull mpd: [pptp0] IPCP: LayerStart Jul 16 18:52:11 bull mpd: [pptp0] IPCP: Open event Jul 16 18:52:11 bull mpd: [pptp0] bundle: OPEN event in state CLOSED Jul 16 18:52:11 bull mpd: [pptp0] opening link "pptp0"... Jul 16 18:52:11 bull mpd: [pptp0] link: OPEN event Jul 16 18:52:11 bull mpd: [pptp0] LCP: Open event Jul 16 18:52:11 bull mpd: [pptp0] LCP: state change Initial --> Starting Jul 16 18:52:11 bull mpd: [pptp0] LCP: LayerStart Jul 16 18:52:11 bull mpd: [pptp0] device: OPEN event in state DOWN Jul 16 18:52:11 bull mpd: [pptp0] attaching to peer's outgoing call Jul 16 18:52:11 bull mpd: [pptp0] device is now in state OPENING Jul 16 18:52:11 bull mpd: [pptp0] device: UP event in state OPENING Jul 16 18:52:11 bull mpd: [pptp0] device is now in state UP Jul 16 18:52:11 bull mpd: [pptp0] link: UP event Jul 16 18:52:11 bull mpd: [pptp0] link: origination is remote Jul 16 18:52:11 bull mpd: [pptp0] LCP: Up event Jul 16 18:52:11 bull mpd: [pptp0] LCP: state change Starting --> Req-Sent Jul 16 18:52:11 bull mpd: [pptp0] LCP: phase shift DEAD --> ESTABLISH Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigReq #198 Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: MRU 1500 Jul 16 18:52:11 bull mpd: MAGICNUM e7805d68 Jul 16 18:52:11 bull mpd: AUTHPROTO CHAP MSOFTv2 Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: MP SHORTSEQ Jul 16 18:52:11 bull mpd: ENDPOINTDISC [802.1] 00 b0 d0 e1 48 74 Jul 16 18:52:11 bull mpd: pptp0-0: ignoring SetLinkInfo Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Configure Request #0 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MAGICNUM 278a44ec Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: CALLBACK Jul 16 18:52:11 bull mpd: Not supported Jul 16 18:52:11 bull mpd: MP MRRU 1614 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [LOCAL] a6 92 ca 2c f4 8b 47 51 b5 e1 9d da b3 7b 7b 3e 00 00 00 06 Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigRej #0 Jul 16 18:52:11 bull mpd: CALLBACK Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Configure Reject #198 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MP SHORTSEQ Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigReq #199 Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: MRU 1500 Jul 16 18:52:11 bull mpd: MAGICNUM e7805d68 Jul 16 18:52:11 bull mpd: AUTHPROTO CHAP MSOFTv2 Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [802.1] 00 b0 d0 e1 48 74 Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Configure Request #1 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MAGICNUM 278a44ec Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: MP MRRU 1614 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [LOCAL] a6 92 ca 2c f4 8b 47 51 b5 e1 9d da b3 7b 7b 3e 00 00 00 06 Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigNak #1 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [LOCAL] a6 92 ca 2c f4 8b 47 51 b5 e1 9d da b3 7b 7b 3e 00 00 00 06 Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigNak #1 Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Configure Ack #199 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: MRU 1500 Jul 16 18:52:11 bull mpd: MAGICNUM e7805d68 Jul 16 18:52:11 bull mpd: AUTHPROTO CHAP MSOFTv2 Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [802.1] 00 b0 d0 e1 48 74 Jul 16 18:52:11 bull mpd: [pptp0] LCP: state change Req-Sent --> Ack-Rcvd Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Configure Request #2 link 0 (Ack-Rcvd) Jul 16 18:52:11 bull mpd: MAGICNUM 278a44ec Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [LOCAL] a6 92 ca 2c f4 8b 47 51 b5 e1 9d da b3 7b 7b 3e 00 00 00 06 Jul 16 18:52:11 bull mpd: [pptp0] LCP: SendConfigAck #2 Jul 16 18:52:11 bull mpd: MAGICNUM 278a44ec Jul 16 18:52:11 bull mpd: PROTOCOMP Jul 16 18:52:11 bull mpd: ACFCOMP Jul 16 18:52:11 bull mpd: MP MRRU 1600 Jul 16 18:52:11 bull mpd: ENDPOINTDISC [LOCAL] a6 92 ca 2c f4 8b 47 51 b5 e1 9d da b3 7b 7b 3e 00 00 00 06 Jul 16 18:52:11 bull mpd: [pptp0] LCP: state change Ack-Rcvd --> Opened Jul 16 18:52:11 bull mpd: [pptp0] LCP: phase shift ESTABLISH --> AUTHENTICATE Jul 16 18:52:11 bull mpd: [pptp0] LCP: auth: peer wants nothing, I want CHAP Jul 16 18:52:11 bull mpd: [pptp0] CHAP: sending CHALLENGE Jul 16 18:52:11 bull mpd: [pptp0] LCP: LayerUp Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Ident #3 link 0 (Opened) Jul 16 18:52:11 bull mpd: MESG: MSRASV5.00 Jul 16 18:52:11 bull mpd: pptp0-0: ignoring SetLinkInfo Jul 16 18:52:11 bull mpd: [pptp0] LCP: rec'd Ident #4 link 0 (Opened) Jul 16 18:52:11 bull mpd: MESG: MSRAS-1-HINANO Jul 16 18:52:11 bull mpd: [pptp0] CHAP: rec'd RESPONSE #1 Jul 16 18:52:11 bull mpd: Name: "xxxx" Jul 16 18:52:11 bull mpd: Peer name: "xxxx" Jul 16 18:52:11 bull mpd: Response is valid Jul 16 18:52:11 bull mpd: [pptp0] CHAP: sending SUCCESS Jul 16 18:52:11 bull mpd: [pptp0] LCP: authorization successful Jul 16 18:52:11 bull mpd: [pptp0] LCP: phase shift AUTHENTICATE --> NETWORK Jul 16 18:52:11 bull mpd: [pptp0] setting interface ng0 MTU to 1500 bytes Jul 16 18:52:11 bull mpd: [pptp0] up: 1 link, total bandwidth 64000 bps Jul 16 18:52:11 bull mpd: [pptp0] IPCP: Up event Jul 16 18:52:11 bull mpd: [pptp0] IPCP: state change Starting --> Req-Sent Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigReq #203 Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:11 bull mpd: COMPPROTO VJCOMP, 16 comp. channels, no comp-cid Jul 16 18:52:11 bull mpd: [pptp0] error writing len 20 frame to bypass: Network is down Jul 16 18:52:11 bull mpd: [pptp0] CCP: Open event Jul 16 18:52:11 bull mpd: [pptp0] CCP: state change Initial --> Starting Jul 16 18:52:11 bull mpd: [pptp0] CCP: LayerStart Jul 16 18:52:11 bull mpd: [pptp0] CCP: Up event Jul 16 18:52:11 bull mpd: [pptp0] CCP: state change Starting --> Req-Sent Jul 16 18:52:11 bull mpd: [pptp0] CCP: SendConfigReq #118 Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] error writing len 14 frame to bypass: Network is down Jul 16 18:52:11 bull mpd: [pptp0] CCP: rec'd Configure Request #5 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: [pptp0] CCP: rec'd Configure Request #5 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000041: MPPC MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] CCP: SendConfigNak #5 Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] IPCP: rec'd Configure Request #6 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: IPADDR 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: SECDNS 0.0.0.0 Jul 16 18:52:11 bull mpd: SECNBNS 0.0.0.0 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigRej #6 Jul 16 18:52:11 bull mpd: SECDNS 0.0.0.0 Jul 16 18:52:11 bull mpd: SECNBNS 0.0.0.0 Jul 16 18:52:11 bull mpd: [pptp0] CCP: rec'd Configure Request #7 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] CCP: SendConfigAck #7 Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] CCP: state change Req-Sent --> Ack-Sent Jul 16 18:52:11 bull mpd: [pptp0] IPCP: rec'd Configure Request #8 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: IPADDR 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigNak #8 Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: rec'd Configure Request #9 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: 192.168.0.204 is OK Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigAck #9 Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: state change Req-Sent --> Ack-Sent Jul 16 18:52:13 bull mpd: [pptp0] IPCP: SendConfigReq #204 Jul 16 18:52:13 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:13 bull mpd: COMPPROTO VJCOMP, 16 comp. channels, no comp-cid Jul 16 18:52:13 bull mpd: [pptp0] CCP: SendConfigReq #119 Jul 16 18:52:13 bull mpd: MPPC Jul 16 18:52:13 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: [pptp0] IPCP: rec'd Configure Reject #204 link 0 (Ack-Sent) Jul 16 18:52:13 bull mpd: COMPPROTO VJCOMP, 16 comp. channels, no comp-cid Jul 16 18:52:13 bull mpd: [pptp0] IPCP: SendConfigReq #205 Jul 16 18:52:13 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:13 bull mpd: [pptp0] CCP: rec'd Configure Ack #119 link 0 (Ack-Sent) Jul 16 18:52:13 bull mpd: MPPC Jul 16 18:52:13 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: [pptp0] CCP: state change Ack-Sent --> Opened Jul 16 18:52:11 bull mpd: [pptp0] CCP: rec'd Configure Request #7 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] CCP: SendConfigAck #7 Jul 16 18:52:11 bull mpd: MPPC Jul 16 18:52:11 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:11 bull mpd: [pptp0] CCP: state change Req-Sent --> Ack-Sent Jul 16 18:52:11 bull mpd: [pptp0] IPCP: rec'd Configure Request #8 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: IPADDR 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 0.0.0.0 Jul 16 18:52:11 bull mpd: NAKing with 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigNak #8 Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: rec'd Configure Request #9 link 0 (Req-Sent) Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: 192.168.0.204 is OK Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: SendConfigAck #9 Jul 16 18:52:11 bull mpd: IPADDR 192.168.0.204 Jul 16 18:52:11 bull mpd: PRIDNS 192.168.0.10 Jul 16 18:52:11 bull mpd: PRINBNS 192.168.0.10 Jul 16 18:52:11 bull mpd: [pptp0] IPCP: state change Req-Sent --> Ack-Sent Jul 16 18:52:13 bull mpd: [pptp0] IPCP: SendConfigReq #204 Jul 16 18:52:13 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:13 bull mpd: COMPPROTO VJCOMP, 16 comp. channels, no comp-cid Jul 16 18:52:13 bull mpd: [pptp0] CCP: SendConfigReq #119 Jul 16 18:52:13 bull mpd: MPPC Jul 16 18:52:13 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: [pptp0] IPCP: rec'd Configure Reject #204 link 0 (Ack-Sent) Jul 16 18:52:13 bull mpd: COMPPROTO VJCOMP, 16 comp. channels, no comp-cid Jul 16 18:52:13 bull mpd: [pptp0] IPCP: SendConfigReq #205 Jul 16 18:52:13 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:13 bull mpd: [pptp0] CCP: rec'd Configure Ack #119 link 0 (Ack-Sent) Jul 16 18:52:13 bull mpd: MPPC Jul 16 18:52:13 bull mpd: 0x01000040: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: [pptp0] CCP: state change Ack-Sent --> Opened Jul 16 18:52:13 bull mpd: [pptp0] CCP: LayerUp Jul 16 18:52:13 bull mpd: Compress using: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: Decompress using: MPPE, 128 bit, stateless Jul 16 18:52:13 bull mpd: [pptp0] setting interface ng0 MTU to 1500 bytes Jul 16 18:52:13 bull mpd: [pptp0] IPCP: rec'd Configure Ack #205 link 0 (Ack-Sent) Jul 16 18:52:13 bull mpd: IPADDR 192.168.0.10 Jul 16 18:52:13 bull mpd: [pptp0] IPCP: state change Ack-Sent --> Opened Jul 16 18:52:13 bull mpd: [pptp0] IPCP: LayerUp Jul 16 18:52:13 bull mpd: 192.168.0.10 -> 192.168.0.204 Jul 16 18:52:13 bull mpd: [pptp0] IFACE: Up event Jul 16 18:52:13 bull mpd: [pptp0] setting interface ng0 MTU to 1500 bytes Jul 16 18:52:13 bull mpd: [pptp0] exec: /sbin/ifconfig ng0 192.168.0.10 192.168.0.204 netmask 0xffffffff -link0 Jul 16 18:52:13 bull mpd: [pptp0] exec: /usr/sbin/arp -s 192.168.0.204 0:b0:d0:e1:48:74 pub Jul 16 18:52:13 bull mpd: [pptp0] exec: /sbin/route add 192.168.0.10 -iface lo0 Jul 16 18:52:13 bull mpd: [pptp0] exec: /sbin/route add 192.168.0.0 192.168.0.204 -netmask 0xffffff00 Jul 16 18:52:13 bull mpd: [pptp0] exec: command returned 256 Jul 16 18:52:13 bull mpd: [pptp0] IFACE: Up event Jul 16 18:52:13 bull mpd: [pptp0] rec'd unexpected protocol IP on link -1

My other problem (maybe related to the previous one ?) is SMB browsing : PPTP clients connected through the VPN can see but not browse all the other machines on the local network. The only one that can be browsed is the one also hosting the PPTP server : routing problem ?

By the way, is there a way to reduce mpd's log verbosity ?

Thanks for your time & help.

Regards,

--Yann


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MPD 3.13 PPTP server MTU problems & questions

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