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PPP LCP Failure PPP LCP Failure

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  #1  
Old 03-17-2008, 07:20 AM
pks
 
Posts: n/a
Default PPP LCP Failure
Wondering if anyone has seen this error before. Trying to do a remote vpn and
LCP Configuration Ack does not seem to make it to PPP procotol module. Do not
see the expected LCP Configuration Reject being sent out by my Windows PC


No. Time Source Destination Protocol Info
2 0.043531 172.31.128.101 69.28.109.6 TCP
abbaccuray > pptp [SYN] Seq=0 Win=65535 Len=0 MSS=1260
3 0.072123 69.28.109.6 172.31.128.101 TCP
pptp > abbaccuray [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1260
4 0.072325 172.31.128.101 69.28.109.6 PPTP
Start-Control-Connection-Request
5 0.105621 69.28.109.6 172.31.128.101 PPTP
Start-Control-Connection-Reply
6 0.105805 172.31.128.101 69.28.109.6 PPTP
Outgoing-Call-Request
7 0.141172 69.28.109.6 172.31.128.101 PPTP
Outgoing-Call-Reply
8 0.153732 172.31.128.101 69.28.109.6 PPTP
Set-Link-Info
9 0.161355 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
10 0.192301 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
11 0.192980 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
12 0.374693 69.28.109.6 172.31.128.101 TCP
pptp > abbaccuray [ACK] Seq=189 Ack=349 Win=65187 Len=0
18 2.158080 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
19 2.187140 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
20 2.188008 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
21 5.157873 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
22 5.194315 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
23 5.196655 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
24 9.157625 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
25 9.187456 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
26 9.188081 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
27 13.157421 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
28 13.187020 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
29 13.187604 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
32 17.157088 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
33 17.187017 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
34 17.187637 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
35 21.156816 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
36 21.186313 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
37 21.186921 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
44 25.169259 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
45 25.186137 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
46 25.198339 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
49 29.156329 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
50 29.185440 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
51 29.186276 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
52 33.156013 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
53 33.185937 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
54 33.186540 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
55 37.155785 172.31.128.101 69.28.109.6 PPTP
Call-Clear-Request
56 37.192656 69.28.109.6 172.31.128.101 PPTP
Call-Clear-Request
57 37.192782 172.31.128.101 69.28.109.6 PPTP
Call-Disconnect-Notify
58 37.224889 69.28.109.6 172.31.128.101 TCP
pptp > abbaccuray [ACK] Seq=205 Ack=513 Win=65023 Len=0
59 37.225069 172.31.128.101 69.28.109.6 PPTP
Stop-Control-Connection-Request
60 37.252977 69.28.109.6 172.31.128.101 PPTP
Stop-Control-Connection-Reply
61 37.291536 172.31.128.101 69.28.109.6 TCP
abbaccuray > pptp [FIN, ACK] Seq=529 Ack=221 Win=65315 Len=0
62 37.319252 69.28.109.6 172.31.128.101 TCP
pptp > abbaccuray [FIN, ACK] Seq=221 Ack=530 Win=65007 Len=0
63 37.319419 172.31.128.101 69.28.109.6 TCP
abbaccuray > pptp [ACK] Seq=530 Ack=222 Wi
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  #2  
Old 03-17-2008, 08:49 AM
pks
 
Posts: n/a
Default RE: PPP LCP Failure
Just realized that Widows was sending "ICMP destination (protocol
unreachable) message for PPP LCP Configuration Request from the Server. Any
TCP/IP or other configuration that can cause this.

Please see the wireshark capture of the messages:

No. Time Source Destination Protocol Info
1 0.000000 172.31.128.101 74.125.19.103 TCP
dialog-port > https [RST, ACK] Seq=1 Ack=1 Win=0 Len=0
2 12.516982 172.31.128.101 192.168.0.1 DNS
Standard query A paserver.solutionset.com
3 13.514761 172.31.128.101 192.168.0.1 DNS
Standard query A paserver.solutionset.com
4 13.678661 192.168.0.1 172.31.128.101 DNS
Standard query response A 69.28.109.6
5 13.679587 192.168.0.1 172.31.128.101 DNS
Standard query response A 69.28.109.6
6 13.680598 172.31.128.101 69.28.109.6 TCP
h2250-annex-g > pptp [SYN] Seq=0 Win=65535 Len=0 MSS=1260
7 13.710567 69.28.109.6 172.31.128.101 TCP
pptp > h2250-annex-g [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1260
8 13.710782 172.31.128.101 69.28.109.6 PPTP
Start-Control-Connection-Request
9 13.718764 192.168.0.1 172.31.128.101 DNS
Standard query response A 69.28.109.6
10 13.719761 192.168.0.1 172.31.128.101 DNS
Standard query response A 69.28.109.6
11 13.744473 69.28.109.6 172.31.128.101 PPTP
Start-Control-Connection-Reply
12 13.744652 172.31.128.101 69.28.109.6 PPTP
Outgoing-Call-Request
13 13.779994 69.28.109.6 172.31.128.101 PPTP
Outgoing-Call-Reply
14 13.787356 172.31.128.101 69.28.109.6 PPTP
Set-Link-Info
15 13.793444 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
16 13.823270 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
17 13.823365 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
18 13.824112 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
19 13.824161 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
20 13.979542 69.28.109.6 172.31.128.101 TCP
pptp > h2250-annex-g [ACK] Seq=189 Ack=349 Win=65187 Len=0
21 15.780352 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
22 15.809744 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
23 15.809836 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
24 15.836033 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
25 15.836085 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
26 18.780152 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
27 18.809763 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
28 18.809855 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
29 18.851351 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
30 18.851431 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
31 22.779741 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
32 22.808562 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
33 22.808652 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
34 22.866986 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
35 22.867076 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
36 23.802348 Cisco-Li_db:22:fa AsustekC_83:16:53 ARP Who
has 172.31.128.101? Tell 172.31.128.1
37 23.802400 AsustekC_83:16:53 Cisco-Li_db:22:fa ARP
172.31.128.101 is at 00:0e:a6:83:16:53
38 26.233834 172.31.128.102 255.255.255.255 DHCP
DHCP Inform - Transaction ID 0x4ab03887
39 26.779546 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
40 26.809073 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
41 26.809163 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
42 26.882734 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
43 26.882798 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
44 30.779295 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
45 30.811081 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
46 30.811173 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
47 30.882481 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
48 30.882542 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
49 31.238843 172.31.128.102 255.255.255.255 DHCP
DHCP Inform - Transaction ID 0x4ab03887
50 34.779046 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
51 34.808896 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
52 34.808987 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
53 34.881815 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
54 34.881907 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
55 38.778654 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
56 38.807693 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
57 38.807785 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
58 38.882122 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
59 38.882212 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
60 42.778449 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
61 42.807976 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
62 42.808067 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
63 42.881639 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
64 42.881697 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
65 43.410789 172.31.128.102 172.31.128.255 NBNS
Name query NB STAEPO<00>
66 44.160503 172.31.128.102 172.31.128.255 NBNS
Name query NB STAEPO<00>
67 44.910553 172.31.128.102 172.31.128.255 NBNS
Name query NB STAEPO<00>
68 46.778104 172.31.128.101 69.28.109.6 PPP LCP
Configuration Request
69 46.807759 69.28.109.6 172.31.128.101 PPP LCP
Configuration Ack
70 46.807852 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
71 46.881650 69.28.109.6 172.31.128.101 PPP LCP
Configuration Request
72 46.881741 172.31.128.101 69.28.109.6 ICMP
Destination unreachable (Protocol unreachable)
73 50.777971 172.31.128.101 69.28.109.6 PPTP
Call-Clear-Request
74 50.881564 69.28.109.6 172.31.128.101 PPTP
Call-Clear-Request
75 50.881684 172.31.128.101 69.28.109.6 PPTP
Call-Disconnect-Notify
76 51.052980 69.28.109.6 172.31.128.101 TCP
pptp > h2250-annex-g [ACK] Seq=205 Ack=513 Win=65023 Len=0
77 51.053087 172.31.128.101 69.28.109.6 PPTP
Stop-Control-Connection-Request
78 51.081202 69.28.109.6 172.31.128.101 PPTP
Stop-Control-Connection-Reply
79 51.081925 172.31.128.101 69.28.109.6 TCP
h2250-annex-g > pptp [FIN, ACK] Seq=529 Ack=221 Win=65315 Len=0
80 51.109573 69.28.109.6 172.31.128.101 TCP
pptp > h2250-annex-g [FIN, ACK] Seq=221 Ack=530 Win=65007 Len=0
81 51.109693 172.31.128.101 69.28.109.6 TCP
h2250-annex-g > pptp [ACK] Seq=530 Ack=222 Win=65315 Len=0









"pks" wrote:

> Wondering if anyone has seen this error before. Trying to do a remote vpn and
> LCP Configuration Ack does not seem to make it to PPP procotol module. Do not
> see the expected LCP Configuration Reject being sent out by my Windows PC
>
>
> No. Time Source Destination Protocol Info
> 2 0.043531 172.31.128.101 69.28.109.6 TCP
> abbaccuray > pptp [SYN] Seq=0 Win=65535 Len=0 MSS=1260
> 3 0.072123 69.28.109.6 172.31.128.101 TCP
> pptp > abbaccuray [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1260
> 4 0.072325 172.31.128.101 69.28.109.6 PPTP
> Start-Control-Connection-Request
> 5 0.105621 69.28.109.6 172.31.128.101 PPTP
> Start-Control-Connection-Reply
> 6 0.105805 172.31.128.101 69.28.109.6 PPTP
> Outgoing-Call-Request
> 7 0.141172 69.28.109.6 172.31.128.101 PPTP
> Outgoing-Call-Reply
> 8 0.153732 172.31.128.101 69.28.109.6 PPTP
> Set-Link-Info
> 9 0.161355 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 10 0.192301 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 11 0.192980 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 12 0.374693 69.28.109.6 172.31.128.101 TCP
> pptp > abbaccuray [ACK] Seq=189 Ack=349 Win=65187 Len=0
> 18 2.158080 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 19 2.187140 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 20 2.188008 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 21 5.157873 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 22 5.194315 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 23 5.196655 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 24 9.157625 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 25 9.187456 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 26 9.188081 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 27 13.157421 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 28 13.187020 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 29 13.187604 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 32 17.157088 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 33 17.187017 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 34 17.187637 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 35 21.156816 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 36 21.186313 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 37 21.186921 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 44 25.169259 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 45 25.186137 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 46 25.198339 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 49 29.156329 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 50 29.185440 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 51 29.186276 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 52 33.156013 172.31.128.101 69.28.109.6 PPP LCP
> Configuration Request
> 53 33.185937 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Ack
> 54 33.186540 69.28.109.6 172.31.128.101 PPP LCP
> Configuration Request
> 55 37.155785 172.31.128.101 69.28.109.6 PPTP
> Call-Clear-Request
> 56 37.192656 69.28.109.6 172.31.128.101 PPTP
> Call-Clear-Request
> 57 37.192782 172.31.128.101 69.28.109.6 PPTP
> Call-Disconnect-Notify
> 58 37.224889 69.28.109.6 172.31.128.101 TCP
> pptp > abbaccuray [ACK] Seq=205 Ack=513 Win=65023 Len=0
> 59 37.225069 172.31.128.101 69.28.109.6 PPTP
> Stop-Control-Connection-Request
> 60 37.252977 69.28.109.6 172.31.128.101 PPTP
> Stop-Control-Connection-Reply
> 61 37.291536 172.31.128.101 69.28.109.6 TCP
> abbaccuray > pptp [FIN, ACK] Seq=529 Ack=221 Win=65315 Len=0
> 62 37.319252 69.28.109.6 172.31.128.101 TCP
> pptp > abbaccuray [FIN, ACK] Seq=221 Ack=530 Win=65007 Len=0
> 63 37.319419 172.31.128.101 69.28.109.6 TCP
> abbaccuray > pptp [ACK] Seq=530 Ack=222 Wi
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