На кинетике ошибка протокола.
Метод проверки подлинности Автоопределение и безопасность данных (MPPE).
Код: Выделить всё
NAT_new# tcpdump -i igb1 -nn -tttt port 1701
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on igb1, link-type EN10MB (Ethernet), capture size 65535 bytes
2013-03-19 15:05:57.224355 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](0/0)Ns=0,Nr=0 *MSGTYPE(SCCRQ) *PROTO_VER(1.0) *FRAMING_CAP(AS) *BEARER_CAP() *FIRM_VER(1680) *HOST_NAME(KEENETIC_GIGA) *VENDOR_NAME(xelerance.com) *ASSND_TUN_ID(19956) *RECV_WIN_SIZE(4)
2013-03-19 15:05:58.224837 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](0/0)Ns=0,Nr=0 *MSGTYPE(SCCRQ) *PROTO_VER(1.0) *FRAMING_CAP(AS) *BEARER_CAP() *FIRM_VER(1680) *HOST_NAME(KEENETIC_GIGA) *VENDOR_NAME(xelerance.com) *ASSND_TUN_ID(19956) *RECV_WIN_SIZE(4)
2013-03-19 15:05:58.225277 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[TLS](19956/0)Ns=0,Nr=1 *MSGTYPE(SCCRP) *HOST_NAME(NAT_new) *VENDOR_NAME(FreeBSD MPD) *BEARER_CAP(AD) *RECV_WIN_SIZE(8) *PROTO_VER(1.0) *FRAMING_CAP(AS) *ASSND_TUN_ID(12289)
2013-03-19 15:05:58.225907 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](12289/0)Ns=1,Nr=1 *MSGTYPE(SCCCN)
2013-03-19 15:05:58.226873 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](12289/0)Ns=2,Nr=1 *MSGTYPE(ICRQ) *ASSND_SESS_ID(51177) *CALL_SER_NUM(1) *BEARER_TYPE()
2013-03-19 15:05:58.227006 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[TLS](19956/51177)Ns=1,Nr=3 *MSGTYPE(ICRP) *ASSND_SESS_ID(15039)
2013-03-19 15:05:58.228446 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](12289/15039)Ns=3,Nr=2 *MSGTYPE(ICCN) *TX_CONN_SPEED(10000000) *FRAMING_TYPE(S) *RX_CONN_SPEED(10000000)
2013-03-19 15:05:58.228701 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=0,Nr=0 {LCP, Conf-Request (0x01), id 1, length 36}
2013-03-19 15:05:58.260989 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[](12289/15039) {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:05:58.261111 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=1,Nr=0 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:05:58.278491 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[TLS](19956/0)Ns=2,Nr=4 ZLB
2013-03-19 15:06:01.261795 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=0,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:01.261920 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=2,Nr=1 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:04.262767 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=1,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:04.262888 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=3,Nr=2 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:07.263753 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=2,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:07.263881 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=4,Nr=3 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:08.229580 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=5,Nr=3 {LCP, Conf-Request (0x01), id 2, length 36}
2013-03-19 15:06:10.264812 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=3,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:10.264935 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=6,Nr=4 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:13.265747 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=4,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:13.265874 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=7,Nr=5 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:16.266721 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=5,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:16.266846 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=8,Nr=6 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:18.230657 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=9,Nr=6 {LCP, Conf-Request (0x01), id 3, length 36}
2013-03-19 15:06:19.267787 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=6,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:19.267917 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=10,Nr=7 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:22.268682 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=7,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:22.268808 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=11,Nr=8 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:25.269697 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[S](12289/15039)Ns=8,Nr=0 {LCP, Conf-Request (0x01), id 1, length 22}
2013-03-19 15:06:25.269823 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=12,Nr=9 {LCP, Conf-Ack (0x02), id 1, length 22}
2013-03-19 15:06:28.231585 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[S](19956/51177)Ns=13,Nr=9 {LCP, Conf-Request (0x01), id 4, length 36}
2013-03-19 15:06:28.277369 IP 172.28.28.6.1701 > 172.28.200.12.1701: l2tp:[TLS](12289/0)Ns=4,Nr=2 *MSGTYPE(StopCCN) *ASSND_TUN_ID(19956) *RESULT_CODE(1/0 Goodbye!)
2013-03-19 15:06:28.327492 IP 172.28.200.12.1701 > 172.28.28.6.1701: l2tp:[TLS](19956/0)Ns=2,Nr=5 ZLB