Насчёт диагностики если я правильно понял...
Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
pptpd-logwtmp: $Version$
using channel 1
Using interface ppp0
Connect: ppp0 <--> /dev/pts/1
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x594f6642> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x46c46087> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x0 <callback CBCP>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x594f6642> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x46c46087> <pcomp> <accomp>]
sent [LCP ConfAck id=0x1 <mru 1400> <magic 0x46c46087> <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0x594f6642]
sent [CHAP Challenge id=0x26 <d96bc1920f86254101a7a946dd2e0df4>, name = "pptpd"]
rcvd [LCP Ident id=0x2 magic=0x46c46087 "MSRASV5.20"]
rcvd [LCP Ident id=0x3 magic=0x46c46087 "MSRAS-0-VOR-\37777777617\37777777612"]
rcvd [LCP Ident id=0x4 magic=0x46c46087 "\37777777756:h\37777777665\37777777635\r,E\37777777630.\37777777700\377777777156\37777777766V\037"]
rcvd [LCP EchoRep id=0x0 magic=0x46c46087]
rcvd [CHAP Response id=0x26 <3a1221aef23ebfc0b875486ec77d4b700000000000000000b362b8d52cd53b63c7f487c480e91dc8e78171bb9cbcc68100>, name = "Vor99"]
sent [CHAP Success id=0x26 "S=94DDA2FE4BED5D32D7C8F5E26F00DCDC5D604A75 M=Access granted"]
peer from calling number 178.68.180.17 authorized
sent [CCP ConfReq id=0x1 <mppe +H -M +S +L -D -C>]
rcvd [IPV6CP ConfReq id=0x5 <addr fe80::4c39:38d3:8d72:7cee>]
Unsupported protocol 'IPv6 Control Protocol' (0x8057) received
sent [LCP ProtRej id=0x2 80 57 01 05 00 0e 01 0a 4c 39 38 d3 8d 72 7c ee]
rcvd [CCP ConfReq id=0x6 <mppe +H -M +S -L -D -C>]
sent [CCP ConfAck id=0x6 <mppe +H -M +S -L -D -C>]
rcvd [IPCP ConfReq id=0x7 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-wins 0.0.0.0> <ms-dns2 0.0.0.0> <ms-wins 0.0.0.0>]
sent [IPCP TermAck id=0x7]
rcvd [CCP ConfNak id=0x1 <mppe +H -M +S -L -D -C>]
sent [CCP ConfReq id=0x2 <mppe +H -M +S -L -D -C>]
rcvd [CCP ConfAck id=0x2 <mppe +H -M +S -L -D -C>]
MPPE 128-bit stateless compression enabled
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.0.15>]
rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 01>]
sent [IPCP ConfReq id=0x2 <addr 192.168.0.15>]
rcvd [IPCP ConfAck id=0x2 <addr 192.168.0.15>]
rcvd [IPCP ConfReq id=0x8 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-wins 0.0.0.0> <ms-dns2 0.0.0.0> <ms-wins 0.0.0.0>]
sent [IPCP ConfRej id=0x8 <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>]
rcvd [IPCP ConfReq id=0x9 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
sent [IPCP ConfNak id=0x9 <addr 192.168.0.100> <ms-dns1 192.168.0.250> <ms-dns2 192.168.0.250>]
rcvd [IPCP ConfReq id=0xa <addr 192.168.0.100> <ms-dns1 192.168.0.250> <ms-dns2 192.168.0.250>]
sent [IPCP ConfAck id=0xa <addr 192.168.0.100> <ms-dns1 192.168.0.250> <ms-dns2 192.168.0.250>]
local IP address 192.168.0.15
remote IP address 192.168.0.100
pptpd-logwtmp.so ip-up ppp0 Vor99 178.68.180.17
Script /etc/ppp/ip-up started (pid 1644)
Script /etc/ppp/ip-up finished (pid 1644), status = 0x0
rcvd [LCP TermReq id=0xb "F\37777777704`\37777777607\000<\37777777715t\000\000\000\000"]
LCP terminated by peer (FM-D`M-^G^@<M-Mt^@^@^@^@)
pptpd-logwtmp.so ip-down ppp0
Connect time 1.1 minutes.
Sent 493 bytes, received 36130 bytes.
Script /etc/ppp/ip-down started (pid 1732)
sent [LCP TermAck id=0xb]
Script /etc/ppp/ip-down finished (pid 1732), status = 0x0
Hangup (SIGHUP)
Modem hangup
Connection terminated.
iptables -save
# Generated by iptables-save v1.4.12 on Sun Nov 3 21:26:00 2013
*filter
:INPUT ACCEPT [263:13496]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [248:13092]
COMMIT
# Completed on Sun Nov 3 21:26:00 2013
Пользователь решил продолжить мысль 03 Ноября 2013, 21:31:07:
Клиент соединяется с сервером без проблем, пинги идут в обе стороны. Так же нормально заходит на самба сервер, но на ресурсы локальной сети нет. Пинг любого устройства из локалки так-же не проходит.