We've been investiging an ongoing issue with some machines
we have in Amsterdam, when receiving files via scp from our
London DC.
Initially we suspected a igb driver issue but after continued
diagnosis including disabling hardware tso and cksums on
both end we're currently investigating the possibility of
a tcp stack issue.
What I believe we're seeing from the tcpdump trace is the
packet loss on the network results in an unrecoverable tcp
session.
From my very limited knowledge of tcp, I would expect to see
the session to recover after receiving the lost packet by
either a fast retransmit or standard retransmit.
My interpretation of the capture is the packet is indeed resent
by the sender but that the receiver continues to respond
with TCP Dup ACK for said missing packet instead of recovering.
Trace is below, which starts from just before the point
the receiver sees the dropped packet to the point where the sender
gives up and resets the session.
Is my analysis correct and does it look like this is a tcp
stack bug?
tshark -z "proto,colinfo,tcp.seq,tcp.seq" -z
"proto,colinfo,tcp.nxtseq,tcp.nxtseq" -r tcp-stall.pcap
1 0.000000 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 1449 tcp.seq == 1
2 0.000028 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 2897 tcp.seq == 1449
3 0.000034 10.10.1.20 -> 10.10.1.10 TCP ssh > 28296 [ACK] Seq=49 Ack=2897
Win=9102 Len=0 TSV=1902423651 TSER=261560659
tcp.seq == 49
4 0.000051 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 4345 tcp.seq == 2897
5 0.000078 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 5793 tcp.seq == 4345
6 0.000084 10.10.1.20 -> 10.10.1.10 TCP ssh > 28296 [ACK] Seq=49 Ack=5793
Win=8921 Len=0 TSV=1902423651 TSER=261560659
tcp.seq == 49
7 0.000100 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 7241 tcp.seq == 5793
8 0.000135 10.10.1.10 -> 10.10.1.20 SSH [TCP Previous segment lost]
Encrypted request packet len=1448 tcp.nxtseq == 10137
tcp.seq == 8689
9 0.000147 10.10.1.20 -> 10.10.1.10 TCP ssh > 28296 [ACK] Seq=49 Ack=7241
Win=8830 Len=0 TSV=1902423652 TSER=261560660
SLE=8689 SRE=10137 tcp.seq == 49
10 0.000167 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 11585 tcp.seq == 10137
11 0.000173 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#1] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=11585 tcp.seq == 49
12 0.000180 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 13033 tcp.seq == 11585
13 0.000186 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#2] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=13033 tcp.seq == 49
14 0.000191 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 14481 tcp.seq == 13033
15 0.000197 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#3] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=14481 tcp.seq == 49
16 0.000201 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 15929 tcp.seq == 14481
17 0.000209 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#4] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=15929 tcp.seq == 49
18 0.000229 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 17377 tcp.seq == 15929
19 0.000237 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#5] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=17377 tcp.seq == 49
20 0.000460 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 18825 tcp.seq == 17377
21 0.000469 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#6] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=18825 tcp.seq == 49
22 0.000505 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 20273 tcp.seq == 18825
23 0.000511 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#7] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=20273 tcp.seq == 49
24 0.000513 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 21721 tcp.seq == 20273
25 0.000519 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#8] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=21721 tcp.seq == 49
26 0.000528 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 23169 tcp.seq == 21721
27 0.000535 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#9] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
28 0.000539 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 24617 tcp.seq == 23169
29 0.000546 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#10] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
30 0.000556 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 26065 tcp.seq == 24617
31 0.000562 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 9#11] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=8830 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
32 0.000565 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 27513 tcp.seq == 26065
33 0.000572 10.10.1.20 -> 10.10.1.10 TCP [TCP Window Update] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9011 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
34 0.000579 10.10.1.20 -> 10.10.1.10 TCP [TCP Window Update] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
35 0.000596 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 28961 tcp.seq == 27513
36 0.000604 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#1] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
37 0.000621 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 30409 tcp.seq == 28961
38 0.000627 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#2] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
39 0.000650 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 31857 tcp.seq == 30409
40 0.000657 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#3] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
41 0.000672 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 33305 tcp.seq == 31857
42 0.000679 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#4] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
43 0.000799 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 34753 tcp.seq == 33305
44 0.000806 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#5] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
45 0.000857 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 36201 tcp.seq == 34753
46 0.000866 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#6] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
47 0.000939 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 37649 tcp.seq == 36201
48 0.000946 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#7] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
49 0.000955 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 39097 tcp.seq == 37649
50 0.000963 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#8] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423652
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
51 0.001256 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 40545 tcp.seq == 39097
52 0.001268 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#9] ssh > 28296 [ACK]
Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
53 0.001300 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 41993 tcp.seq == 40545
54 0.001309 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#10] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
55 0.001352 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 43441 tcp.seq == 41993
56 0.001359 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#11] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
57 0.001431 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 44889 tcp.seq == 43441
58 0.001439 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#12] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
59 0.001468 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 46337 tcp.seq == 44889
60 0.001475 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#13] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
61 0.001492 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 47785 tcp.seq == 46337
62 0.001498 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#14] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
63 0.001569 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 49233 tcp.seq == 47785
64 0.001576 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#15] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
65 0.001879 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 50681 tcp.seq == 49233
66 0.001890 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#16] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
67 0.001925 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 52129 tcp.seq == 50681
68 0.001933 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#17] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
69 0.002006 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 53577 tcp.seq == 52129
70 0.002016 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#18] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423653
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
71 0.002218 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 55025 tcp.seq == 53577
72 0.002225 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#19] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
73 0.002281 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 56473 tcp.seq == 55025
74 0.002288 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#20] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
75 0.002343 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 57921 tcp.seq == 56473
76 0.002350 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#21] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
77 0.002525 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 59369 tcp.seq == 57921
78 0.002535 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#22] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
79 0.002580 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 60817 tcp.seq == 59369
80 0.002589 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#23] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
81 0.002772 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 62265 tcp.seq == 60817
82 0.002779 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#24] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
83 0.002826 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 63713 tcp.seq == 62265
84 0.002834 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#25] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
85 0.002889 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 65161 tcp.seq == 63713
86 0.002896 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#26] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
87 0.002967 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 66609 tcp.seq == 65161
88 0.002974 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#27] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423654
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
89 0.003411 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 68057 tcp.seq == 66609
90 0.003419 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#28] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
91 0.003457 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 69505 tcp.seq == 68057
92 0.003464 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#29] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
93 0.003557 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 70953 tcp.seq == 69505
94 0.003564 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#30] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
95 0.003644 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 72401 tcp.seq == 70953
96 0.003653 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#31] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
97 0.003675 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 73849 tcp.seq == 72401
98 0.003683 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#32] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
99 0.003728 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 75297 tcp.seq == 73849
100 0.003735 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#33] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
101 0.003780 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 76745 tcp.seq == 75297
102 0.003792 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#34] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
103 0.003829 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 78193 tcp.seq == 76745
104 0.003842 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#35] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
105 0.003874 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 79641 tcp.seq == 78193
106 0.003883 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#36] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423655
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
107 0.004165 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 81089 tcp.seq == 79641
108 0.004172 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#37] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
109 0.004279 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 82537 tcp.seq == 81089
110 0.004287 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#38] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
111 0.004340 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 83985 tcp.seq == 82537
112 0.004347 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#39] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
113 0.004400 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 85433 tcp.seq == 83985
114 0.004408 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#40] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
115 0.004887 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 86881 tcp.seq == 85433
116 0.004894 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#41] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
117 0.004940 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 88329 tcp.seq == 86881
118 0.004947 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#42] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
119 0.005006 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 89777 tcp.seq == 88329
120 0.005015 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#43] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423656
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
121 0.005140 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 91225 tcp.seq == 89777
122 0.005150 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#44] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
123 0.005194 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 92673 tcp.seq == 91225
124 0.005203 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#45] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
125 0.005263 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 94121 tcp.seq == 92673
126 0.005270 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#46] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
127 0.005413 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 95569 tcp.seq == 94121
128 0.005420 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#47] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
129 0.005480 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 97017 tcp.seq == 95569
130 0.005487 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#48] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
131 0.005504 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 98465 tcp.seq == 97017
132 0.005511 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#49] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
133 0.005528 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 99913 tcp.seq == 98465
134 0.005536 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#50] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
135 0.005553 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 101361 tcp.seq == 99913
136 0.005561 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#51] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
137 0.005576 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 102809 tcp.seq == 101361
138 0.005583 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#52] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
139 0.005627 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 104257 tcp.seq == 102809
140 0.005634 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#53] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
141 0.005689 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 105705 tcp.seq == 104257
142 0.005696 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#54] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
143 0.005704 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 107153 tcp.seq == 105705
144 0.005710 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#55] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
145 0.005716 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 108601 tcp.seq == 107153
146 0.005724 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#56] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
147 0.005727 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 110049 tcp.seq == 108601
148 0.005734 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#57] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
149 0.005739 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 111497 tcp.seq == 110049
150 0.005746 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#58] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
151 0.005756 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 112945 tcp.seq == 111497
152 0.005765 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#59] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
153 0.005768 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 114393 tcp.seq == 112945
154 0.005777 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#60] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
155 0.005781 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 115841 tcp.seq == 114393
156 0.005789 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#61] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423657
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
157 0.006154 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 117289 tcp.seq == 115841
158 0.006162 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#62] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
159 0.006200 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 118737 tcp.seq == 117289
160 0.006207 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#63] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
161 0.006229 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 120185 tcp.seq == 118737
162 0.006237 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#64] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
163 0.006253 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 121633 tcp.seq == 120185
164 0.006259 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#65] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
165 0.006278 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 123081 tcp.seq == 121633
166 0.006285 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#66] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
167 0.006294 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 124529 tcp.seq == 123081
168 0.006300 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#67] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
169 0.006304 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 125977 tcp.seq == 124529
170 0.006310 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#68] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
171 0.006315 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 127425 tcp.seq == 125977
172 0.006323 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#69] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
173 0.006333 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 128873 tcp.seq == 127425
174 0.006340 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#70] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
175 0.006342 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 130321 tcp.seq == 128873
176 0.006349 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#71] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
177 0.006358 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 131769 tcp.seq == 130321
178 0.006365 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#72] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
179 0.006368 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 133217 tcp.seq == 131769
180 0.006375 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#73] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
181 0.006388 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 134665 tcp.seq == 133217
182 0.006395 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#74] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
183 0.006435 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 136113 tcp.seq == 134665
184 0.006446 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#75] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
185 0.006506 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 137561 tcp.seq == 136113
186 0.006516 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#76] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
187 0.006558 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 139009 tcp.seq == 137561
188 0.006565 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#77] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
189 0.006568 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 140457 tcp.seq == 139009
190 0.006574 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#78] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
191 0.006579 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 141905 tcp.seq == 140457
192 0.006585 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#79] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
193 0.006596 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 143353 tcp.seq == 141905
194 0.006603 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#80] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
195 0.006606 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 144801 tcp.seq == 143353
196 0.006612 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#81] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
197 0.006654 10.10.1.10 -> 10.10.1.20 SSH Encrypted request packet len=1448
tcp.nxtseq == 146249 tcp.seq == 144801
198 0.006661 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#82] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560660 SLE=8689 SRE=23169 tcp.seq == 49
199 0.006696 10.10.1.10 -> 10.10.1.20 SSH [TCP Fast Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689
tcp.seq == 7241
200 0.006703 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#83] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423658
TSER=261560666 SLE=8689 SRE=23169 tcp.seq == 49
201 0.246652 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
202 0.246664 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#84] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902423897
TSER=261560896 SLE=8689 SRE=23169 tcp.seq == 49
203 0.518331 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
204 0.518343 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#85] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902424168
TSER=261561156 SLE=8689 SRE=23169 tcp.seq == 49
205 0.852522 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
206 0.852535 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#86] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902424501
TSER=261561476 SLE=8689 SRE=23169 tcp.seq == 49
207 1.311920 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
208 1.311933 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#87] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902424958
TSER=261561916 SLE=8689 SRE=23169 tcp.seq == 49
209 2.022170 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
210 2.022184 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#88] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902425666
TSER=261562596 SLE=8689 SRE=23169 tcp.seq == 49
211 3.233004 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
212 3.233016 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#89] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902426872
TSER=261563756 SLE=8689 SRE=23169 tcp.seq == 49
213 5.444340 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
214 5.444353 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#90] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902429074
TSER=261565876 SLE=8689 SRE=23169 tcp.seq == 49
215 9.658815 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
216 9.658826 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#91] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902433272
TSER=261569916 SLE=8689 SRE=23169 tcp.seq == 49
217 17.882735 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
218 17.882748 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#92] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902441463
TSER=261577796 SLE=8689 SRE=23169 tcp.seq == 49
219 34.113339 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
220 34.113352 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#93] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902457629
TSER=261593356 SLE=8689 SRE=23169 tcp.seq == 49
221 50.343593 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
222 50.343607 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#94] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902473795
TSER=261608916 SLE=8689 SRE=23169 tcp.seq == 49
223 66.567449 10.10.1.10 -> 10.10.1.20 SSH [TCP Retransmission] Encrypted
request packet len=1448 tcp.nxtseq == 8689 tcp.seq ==
7241
224 66.567461 10.10.1.20 -> 10.10.1.10 TCP [TCP Dup ACK 34#95] ssh > 28296
[ACK] Seq=49 Ack=7241 Win=9283 Len=0 TSV=1902489954
TSER=261624476 SLE=8689 SRE=23169 tcp.seq == 49
225 82.793601 10.10.1.10 -> 10.10.1.20 TCP 28296 > ssh [RST, ACK] Seq=146249
Ack=49 Win=4163 Len=0 TSV=261640036 TSER=1902489954
tcp.seq == 146249
Just to confirm both machines involved are running 8.2-RELEASE
with both hardware checksums and offloading disabled using
-tso -rxcsum -txcsum.
The sender is using em and the receiver using igb.
Regards
Steve
================================================
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