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ssh无结果,tcpdump抓包解决

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发表于 2019-1-23 03:33:41 | 显示全部楼层 |阅读模式

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debug1: expecting SSH2_MSG_KEX_ECDH_REPLY, {% S* ?5 O: Z1 [" S% {
ssh 172.21.70.22
1 F  ^; ], o- n8 Q^C2 o0 F+ D' b/ a. [
[deployer@BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01 ~]$ ssh 172.21.70.22
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ssh无结果; l. U# ?. V' ?
tcpdump -i br-mgmt -vvv9 `& ^) \+ [  d
: U/ \/ Z0 _6 m/ O9 M% ^
  172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x80ef (correct), seq 2029, ack 29566840, win 1185, options [nop,nop,TS val 3249332465 ecr 478311873], length 0! C1 E2 c- n1 _6 O, E
03:24:35.449896 IP (tos 0x10, ttl 64, id 37564, offset 0, flags [DF], proto TCP (6), length 852)$ r7 N1 E+ u2 L& Q% h4 ^
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x1620), seq 29568796:29569596, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 8000 u( k( E$ c1 _* Y+ m' t4 ?: A  I
03:24:35.449984 IP (tos 0x10, ttl 64, id 37565, offset 0, flags [DF], proto TCP (6), length 852)
7 w1 J+ H4 D8 N& x7 [- g6 L    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x9764), seq 29569596:29570396, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 800
: f6 Z0 E4 P* p/ ~) ^0 W" g) Y; f03:24:35.449995 IP (tos 0x10, ttl 59, id 50275, offset 0, flags [DF], proto TCP (6), length 52)
) \: ^# q7 n' S5 _7 a5 S    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x7e03 (correct), seq 2029, ack 29567588, win 1185, options [nop,nop,TS val 3249332465 ecr 478311873], length 0# Q" L$ U/ A: m6 |2 u
03:24:35.450041 IP (tos 0x10, ttl 59, id 50276, offset 0, flags [DF], proto TCP (6), length 52)
/ w* W$ }8 j( y1 D/ w( J, L8 w9 b- W    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x7c6b (correct), seq 2029, ack 29567996, win 1185, options [nop,nop,TS val 3249332465 ecr 478311873], length 0
" I/ V4 q4 Q2 G) S. b: J03:24:35.450045 IP (tos 0x10, ttl 64, id 37566, offset 0, flags [DF], proto TCP (6), length 852)! q( H" q2 b: F: Z* N+ Z) {8 t
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0xfa0c), seq 29570396:29571196, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 800
( v2 n0 B8 K) U6 f- F03:24:35.450134 IP (tos 0x10, ttl 64, id 37567, offset 0, flags [DF], proto TCP (6), length 852)
5 o, @7 v( p1 p, Y    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x11e3), seq 29571196:29571996, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 800
% l" v. m5 d4 C7 p/ b03:24:35.450167 IP (tos 0x10, ttl 59, id 50277, offset 0, flags [DF], proto TCP (6), length 52)
) X% X8 o8 t+ S3 ?, Y' m% n. a    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x762b (correct), seq 2029, ack 29569596, win 1185, options [nop,nop,TS val 3249332465 ecr 478311873], length 0( ]) W; c( l: G' f2 F
03:24:35.450172 IP (tos 0x10, ttl 64, id 37568, offset 0, flags [DF], proto TCP (6), length 460)
) V% U  ]2 p# e$ T* d( M) u* c5 @9 M4 e    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2964 (incorrect -> 0x2dc2), seq 29571996:29572404, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 408
7 _) Y4 B4 Y9 q1 h' `03:24:35.450259 IP (tos 0x10, ttl 64, id 37569, offset 0, flags [DF], proto TCP (6), length 800)
2 S0 F" B4 H: l! R) X8 p    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2ab8 (incorrect -> 0x856a), seq 29572404:29573152, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 748
4 R$ f3 X; `7 ~3 ^4 ?  s+ t03:24:35.450346 IP (tos 0x10, ttl 64, id 37570, offset 0, flags [DF], proto TCP (6), length 460)5 B7 D2 F' F# v2 h7 G- T
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2964 (incorrect -> 0xa2c7), seq 29573152:29573560, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332465], length 4089 u- C2 b' \" O& G' ?- G
03:24:35.450355 IP (tos 0x10, ttl 59, id 50278, offset 0, flags [DF], proto TCP (6), length 52)( ~+ P3 T3 @! o2 m/ O
    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x6fea (correct), seq 2029, ack 29571196, win 1185, options [nop,nop,TS val 3249332466 ecr 478311873], length 0. C9 c8 b6 d1 |  \6 D
03:24:35.450432 IP (tos 0x10, ttl 64, id 37571, offset 0, flags [DF], proto TCP (6), length 852)
4 [" G( `4 M5 S# T$ U: j% h8 s    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x8da9), seq 29573560:29574360, ack 2029, win 313, options [nop,nop,TS val 478311873 ecr 3249332466], length 800
" h0 Z5 M7 h* z0 Q! ]9 y6 [03:24:35.450508 IP (tos 0x10, ttl 59, id 50279, offset 0, flags [DF], proto TCP (6), length 52)! t) K% ?! D4 Q7 p7 M
    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x6b32 (correct), seq 2029, ack 29572404, win 1185, options [nop,nop,TS val 3249332466 ecr 478311873], length 0
$ M1 T9 F: H' M9 c% A* e: q03:24:35.450513 IP (tos 0x10, ttl 64, id 37572, offset 0, flags [DF], proto TCP (6), length 460)2 W9 T- W, z  c! _# ]9 t
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2964 (incorrect -> 0xc916), seq 29574360:29574768, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 408, u. v. m; t9 B0 K; Z
03:24:35.450598 IP (tos 0x10, ttl 64, id 37573, offset 0, flags [DF], proto TCP (6), length 800)
; o" J4 o9 q- Z) {, w    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2ab8 (incorrect -> 0x18b8), seq 29574768:29575516, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 748! U/ i. ~6 Z$ q0 B
03:24:35.450599 IP (tos 0x10, ttl 59, id 50280, offset 0, flags [DF], proto TCP (6), length 52)
( h4 C- t" V- C1 M& _  u* I# W& c' @    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x6846 (correct), seq 2029, ack 29573152, win 1185, options [nop,nop,TS val 3249332466 ecr 478311873], length 0
& O/ N8 s4 w& B03:24:35.450668 IP (tos 0x10, ttl 59, id 50281, offset 0, flags [DF], proto TCP (6), length 52)
6 D2 h+ r6 ^( @& w    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x66ae (correct), seq 2029, ack 29573560, win 1185, options [nop,nop,TS val 3249332466 ecr 478311873], length 0. h- `8 N9 M8 l
03:24:35.450673 IP (tos 0x10, ttl 64, id 37574, offset 0, flags [DF], proto TCP (6), length 852); _, M6 G- Z- Q8 l4 W( }
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x896f), seq 29575516:29576316, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 800
' o2 W% z! K; v8 A8 q03:24:35.450760 IP (tos 0x10, ttl 64, id 37575, offset 0, flags [DF], proto TCP (6), length 852)
$ y2 a6 _5 G0 I5 O    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2aec (incorrect -> 0x69db), seq 29576316:29577116, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 8007 c7 b& B! O9 T$ u. O
03:24:35.450795 IP (tos 0x10, ttl 59, id 50282, offset 0, flags [DF], proto TCP (6), length 52)! r0 k: G- `/ b  p) y3 x3 \
    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x61f6 (correct), seq 2029, ack 29574768, win 1185, options [nop,nop,TS val 3249332466 ecr 478311873], length 0
' w3 Y  [9 |, S  y. G0 r: h" f03:24:35.450800 IP (tos 0x10, ttl 64, id 37576, offset 0, flags [DF], proto TCP (6), length 460)2 h; R2 ]1 U3 t0 S! E8 x( Q
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2964 (incorrect -> 0x546f), seq 29577116:29577524, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 408" N- F: b+ m: @' r  F- R/ \5 X
03:24:35.450879 IP (tos 0x10, ttl 59, id 50283, offset 0, flags [DF], proto TCP (6), length 52)$ s7 m/ E: t& E% `+ J
    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x5f09 (correct), seq 2029, ack 29575516, win 1185, options [nop,nop,TS val 3249332466 ecr 478311874], length 0$ I3 P$ N' Q0 ]" ~
03:24:35.450884 IP (tos 0x10, ttl 64, id 37577, offset 0, flags [DF], proto TCP (6), length 508)8 u4 M5 f+ }+ c. }! b! f
    BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh > 172.20.137.102.59526: Flags [P.], cksum 0x2994 (incorrect -> 0x90d4), seq 29577524:29577980, ack 2029, win 313, options [nop,nop,TS val 478311874 ecr 3249332466], length 4564 I9 m! i0 }" h# O# B. C
03:24:35.451054 IP (tos 0x10, ttl 59, id 50284, offset 0, flags [DF], proto TCP (6), length 52)
  B# h" P7 G: O' \1 q$ G  b: `# Y    172.20.137.102.59526 > BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01.ssh: Flags [.], cksum 0x58c9 (correct), seq 2029, ack 29577116, win 1185, options [nop,nop,TS val 3249332466 ecr 478311874], length 0
! `1 ?' U5 Q; A5 a8 g
7 l9 L) {( [4 d: [发现管理网口的mtu值为1600# J. `4 G$ [6 M6 f
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修改管理网口MTU值为15005 `, m8 l* u7 @' z

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