Re: Help, I have some problem with LCP ConfReq
Benimaur Gao <[email protected]>
| Newsgroups | gmane.network.poptop |
|---|---|
| Message-ID | <[email protected]> |
Server Side: skyxen:~# tcpdump -ni eth0 host 121.0.29.193 and proto gre tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 14:59:43.829782 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 0, length 41: LCP, Conf-Request (0x01), id 1, length 27 14:59:44.014911 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 1, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:44.015594 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 1, ack 1, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:46.639614 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 2, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:46.640127 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 2, ack 2, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:46.829969 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 3, length 41: LCP, Conf-Request (0x01), id 1, length 27 14:59:49.640892 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 3, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:49.641405 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 4, ack 3, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:49.830100 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 5, length 41: LCP, Conf-Request (0x01), id 1, length 27 14:59:52.644176 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 4, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:52.644740 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 6, ack 4, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:52.830347 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 7, length 41: LCP, Conf-Request (0x01), id 1, length 27 14:59:55.648446 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 5, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:55.648997 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 8, ack 5, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:55.830479 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 9, length 41: LCP, Conf-Request (0x01), id 1, length 27 14:59:58.653524 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 6, length 36: LCP, Conf-Request (0x01), id 1, length 22 14:59:58.654052 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 10, ack 6, length 40: LCP, Conf-Ack (0x02), id 1, length 22 14:59:58.830744 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 11, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:00:01.653279 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 7, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:00:01.653825 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 12, ack 7, length 40: LCP, Conf-Ack (0x02), id 1, length 22 15:00:01.830915 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 13, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:00:04.657784 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 8, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:00:04.658346 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 14, ack 8, length 40: LCP, Conf-Ack (0x02), id 1, length 22 15:00:04.831112 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 15, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:00:07.658314 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 9, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:00:07.658859 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 16, ack 9, length 40: LCP, Conf-Ack (0x02), id 1, length 22 15:00:07.831200 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 17, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:00:10.662098 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1536, seq 10, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:00:10.662487 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 18, ack 10, length 40: LCP, Conf-Ack (0x02), id 1, length 22 15:00:10.831346 IP 199.68.197.202 > 121.0.29.193: GREv1, call 59360, seq 19, length 41: LCP, Conf-Request (0x01), id 1, length 27 Client(from my debian): skyshouter:/home/benimaur# tcpdump -ni eth1 proto gre and host 199.68.197.202 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes 15:06:56.957177 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 1, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:06:59.581653 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 2, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:02.581648 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 3, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:05.585651 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 4, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:08.589652 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 5, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:11.594228 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 6, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:14.593643 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 7, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:17.597928 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 8, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:20.597953 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 9, length 36: LCP, Conf-Request (0x01), id 1, length 22 15:07:23.601644 IP 10.16.2.60 > 199.68.197.202: GREv1, call 1536, seq 10, length 36: LCP, Conf-Request (0x01), id 1, length 22 The second record -- the dial-up log created by WindowsXP Server: skyxen:~# tcpdump -ni eth0 host 121.0.29.193 and proto gre tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 15:31:52.222809 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 0, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:31:52.462919 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 0, length 37: LCP, Conf-Request (0x01), id 0, length 23 15:31:52.463450 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 1, ack 0, length 27: LCP, Conf-Reject (0x04), id 0, length 9 15:31:52.651626 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 1, ack 1, length 38: LCP, Conf-Request (0x01), id 1, length 20 15:31:52.652137 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 2, ack 1, length 38: LCP, Conf-Ack (0x02), id 1, length 20 15:31:55.226404 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 3, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:31:55.415818 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 2, ack 3, length 45: LCP, Conf-Ack (0x02), id 1, length 27 15:31:55.415848 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 3, length 32: LCP, Ident (0x0c), id 2, length 20 15:31:55.415851 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 4, length 43: LCP, Ident (0x0c), id 3, length 31 15:31:55.416426 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 4, ack 4, length 26: LCP, Echo-Request (0x09), id 0, length 10 15:31:55.416436 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 5, length 40: CHAP, Challenge (0x01), id 49, Value 1753d9b494c18439241ca66411c329a9, Name pptpd 15:31:55.604910 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 5, ack 5, length 26: LCP, Echo-Reply (0x0a), id 0, length 10 15:31:55.605369 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 6, length 73: CHAP, Response (0x02), id 49, Value fa449ef33d6af22df5299edbf25f20c2000000000000000059f63d30648d03ea40c9bab7fb137b83d292ce[|chap] 15:31:55.606361 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 6, ack 6, length 81: CHAP, Success (0x03), id 49, Msg S=191530C7E427DDE2F3E04461EA81B9715AA20B[|chap] 15:31:55.606523 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 7, length 24: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 1, length 12 15:31:55.796860 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 7, ack 7, length 28: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 4, length 12 15:31:55.796890 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 8, length 48: IPCP, Conf-Request (0x01), id 5, length 36 15:31:55.796893 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 9, length 24: unknown ctrl-proto (0x80fd), Conf-Ack (0x02), id 1, length 12 15:31:55.797573 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 8, ack 9, length 28: unknown ctrl-proto (0x80fd), Conf-Nack (0x03), id 4, length 12 15:31:55.797595 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 9, length 18: IPCP, Term-Ack (0x06), id 5, length 6 15:31:55.986247 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 10, ack 8, length 28: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 6, length 12 15:31:55.986842 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 10, ack 10, length 28: unknown ctrl-proto (0x80fd), Conf-Ack (0x02), id 6, length 12 15:31:55.986861 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 11, length 30: IPCP, Conf-Request (0x01), id 1, length 18 15:31:56.176190 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 11, ack 11, length 28: IPCP, Conf-Reject (0x04), id 1, length 12 15:31:56.176716 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 12, ack 11, length 28: IPCP, Conf-Request (0x01), id 2, length 12 15:31:56.364358 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 12, ack 12, length 28: IPCP, Conf-Ack (0x02), id 2, length 12 15:31:56.414306 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, ack 12, no-payload, length 12 15:31:57.469991 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 13, length 48: IPCP, Conf-Request (0x01), id 7, length 36 15:31:57.470541 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 13, ack 13, length 34: IPCP, Conf-Reject (0x04), id 7, length 18 15:31:57.657906 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 14, ack 13, length 40: IPCP, Conf-Request (0x01), id 8, length 24 15:31:57.658447 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 14, ack 14, length 40: IPCP, Conf-Nack (0x03), id 8, length 24 15:31:57.849299 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 15, ack 14, length 40: IPCP, Conf-Request (0x01), id 9, length 24 15:31:57.849820 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 15, ack 15, length 40: IPCP, Conf-Ack (0x02), id 9, length 24 15:31:58.044763 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 16, ack 15, length 61: compressed PPP data 15:31:58.047713 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 17, length 113: compressed PPP data 15:31:58.075430 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 18, length 57: compressed PPP data 15:31:58.080682 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 19, length 77: compressed PPP data 15:31:58.096710 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 20, length 77: compressed PPP data 15:31:58.112692 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 21, length 113: compressed PPP data 15:31:58.112714 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 22, length 113: compressed PPP data 15:31:58.119166 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 23, length 345: compressed PPP data 15:31:58.122685 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 24, length 113: compressed PPP data 15:31:58.140420 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 25, length 113: compressed PPP data 15:31:58.140432 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 26, length 113: compressed PPP data 15:31:58.190394 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, ack 26, no-payload, length 12 15:31:58.222061 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 16, length 139: compressed PPP data 15:31:58.226847 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 27, length 78: compressed PPP data 15:31:58.234442 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 17, ack 27, length 143: compressed PPP data 15:31:58.313810 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 28, length 57: compressed PPP data 15:31:58.324652 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 18, ack 28, length 173: compressed PPP data 15:31:58.413541 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 29, ack 16, length 85: compressed PPP data 15:31:58.437111 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 19, ack 29, length 73: compressed PPP data 15:31:58.516457 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 30, ack 18, length 85: compressed PPP data 15:31:58.520263 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 20, ack 30, length 73: compressed PPP data 15:31:58.625904 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 31, ack 19, length 61: compressed PPP data 15:31:58.626164 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 32, length 430: compressed PPP data 15:31:58.649767 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 21, ack 32, length 61: compressed PPP data 15:31:58.650472 IP 199.68.197.202 > 121.0.29.193: GREv1, call 9393, seq 22, length 210: compressed PPP data 15:31:58.708416 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 33, ack 20, length 61: compressed PPP data 15:31:58.708597 IP 121.0.29.193 > 199.68.197.202: GREv1, call 1792, seq 34, length 235: compressed PPP data ...(truncated) Client(created by wireshark): skyshouter:/home/benimaur/share/incoming# tcpdump -r temp.pcap host 199.68.197.202 and proto gre reading from file temp.pcap, link-type EN10MB (Ethernet) 15:29:54.390057 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 0, length 37: LCP, Conf-Request (0x01), id 0, length 23 15:29:54.578682 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 1, ack 0, length 27: LCP, Conf-Reject (0x04), id 0, length 9 15:29:54.578905 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 1, ack 1, length 38: LCP, Conf-Request (0x01), id 1, length 20 15:29:54.766714 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 2, ack 1, length 38: LCP, Conf-Ack (0x02), id 1, length 20 15:29:57.342399 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 3, length 41: LCP, Conf-Request (0x01), id 1, length 27 15:29:57.342629 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 2, ack 3, length 45: LCP, Conf-Ack (0x02), id 1, length 27 15:29:57.342736 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 3, length 32: LCP, Ident (0x0c), id 2, length 20 15:29:57.342759 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 4, length 43: LCP, Ident (0x0c), id 3, length 31 15:29:57.531443 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 4, ack 4, length 26: LCP, Echo-Request (0x09), id 0, length 10 15:29:57.531493 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 5, length 40: CHAP, Challenge (0x01), id 49, Value 1753d9b494c18439241ca66411c329a9, Name pptpd 15:29:57.531660 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 5, ack 5, length 26: LCP, Echo-Reply (0x0a), id 0, length 10 15:29:57.532186 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 6, length 73: CHAP, Response (0x02), id 49, Value fa449ef33d6af22df5299edbf25f20c2000000000000000059f63d30648d03ea40c9bab7fb137b83d292ceff3cec558b00, Name share 15:29:57.722684 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 6, ack 6, length 81: CHAP, Success (0x03), id 49, Msg S=191530C7E427DDE2F3E04461EA81B9715AA20BDE M=Access granted 15:29:57.723108 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 7, length 24: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 1, length 12 15:29:57.723583 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 7, ack 7, length 28: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 4, length 12 15:29:57.723608 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 8, length 48: IPCP, Conf-Request (0x01), id 5, length 36 15:29:57.723640 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 9, length 24: unknown ctrl-proto (0x80fd), Conf-Ack (0x02), id 1, length 12 15:29:57.912702 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 9, length 18: IPCP, Term-Ack (0x06), id 5, length 6 15:29:57.912756 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 8, ack 9, length 28: unknown ctrl-proto (0x80fd), Conf-Nack (0x03), id 4, length 12 15:29:57.912912 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 10, ack 8, length 28: unknown ctrl-proto (0x80fd), Conf-Request (0x01), id 6, length 12 15:29:58.102625 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 10, ack 10, length 28: unknown ctrl-proto (0x80fd), Conf-Ack (0x02), id 6, length 12 15:29:58.102693 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 11, length 30: IPCP, Conf-Request (0x01), id 1, length 18 15:29:58.102887 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 11, ack 11, length 28: IPCP, Conf-Reject (0x04), id 1, length 12 15:29:58.290902 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 12, ack 11, length 28: IPCP, Conf-Request (0x01), id 2, length 12 15:29:58.291153 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 12, ack 12, length 28: IPCP, Conf-Ack (0x02), id 2, length 12 15:29:58.528323 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, ack 12, no-payload, length 12 15:29:59.396646 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 13, length 48: IPCP, Conf-Request (0x01), id 7, length 36 15:29:59.584330 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 13, ack 13, length 34: IPCP, Conf-Reject (0x04), id 7, length 18 15:29:59.584585 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 14, ack 13, length 40: IPCP, Conf-Request (0x01), id 8, length 24 15:29:59.775777 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 14, ack 14, length 40: IPCP, Conf-Nack (0x03), id 8, length 24 15:29:59.775993 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 15, ack 14, length 40: IPCP, Conf-Request (0x01), id 9, length 24 15:29:59.964587 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 15, ack 15, length 40: IPCP, Conf-Ack (0x02), id 9, length 24 15:29:59.971145 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 16, ack 15, length 61: compressed PPP data 15:29:59.974190 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 17, length 113: compressed PPP data 15:30:00.001967 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 18, length 57: compressed PPP data 15:30:00.006904 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 19, length 77: compressed PPP data 15:30:00.022554 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 20, length 77: compressed PPP data 15:30:00.039161 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 21, length 113: compressed PPP data 15:30:00.039195 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 22, length 113: compressed PPP data 15:30:00.045312 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 23, length 345: compressed PPP data 15:30:00.048954 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 24, length 113: compressed PPP data 15:30:00.066791 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 25, length 113: compressed PPP data 15:30:00.066801 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 26, length 113: compressed PPP data 15:30:00.153172 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 27, length 78: compressed PPP data 15:30:00.240382 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 28, length 57: compressed PPP data 15:30:00.307543 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, ack 26, no-payload, length 12 15:30:00.338998 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 16, length 139: compressed PPP data 15:30:00.339953 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 29, ack 16, length 85: compressed PPP data 15:30:00.349274 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 17, ack 27, length 143: compressed PPP data 15:30:00.441921 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 18, ack 28, length 173: compressed PPP data 15:30:00.442674 IP 10.16.2.128 > 199.68.197.202: GREv1, call 1792, seq 30, ack 18, length 85: compressed PPP data 15:30:00.550880 IP 199.68.197.202 > 10.16.2.128: GREv1, call 16384, seq 19, ack 29, length 73: compressed PPP data (...truncated) It seems that GRE packes must be dropped somewhere, and is there any means to solve this problem? On Sat, Apr 9, 2011 at 6:09 AM, James Cameron <[email protected]> wrote: > Benimaur Gao wrote: >> James wrote: >> >On the client system, check for iptables rules. >> >> On my client host, there are no iptables rules: > > There must be some other cause. > >> I want to check the GRE connection from the server to my client, but I >> dunno how to traceroute the GRE packets. > > Use "tcpdump proto gre" on both the client and the server during a > connection attempt. Compare the two outputs. If none of the GRE > packets sent by the server arrive at the client, then it is unlikely > that the client configuration is a cause. > > -- > James Cameron > http://quozl.linux.org.au/ > ------------------------------------------------------------------------------ Xperia(TM) PLAY It's a major breakthrough. An authentic gaming smartphone on the nation's most reliable network. And it wants your games. http://p.sf.net/sfu/verizon-sfdev _______________________________________________ Poptop-server mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/poptop-server