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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* ?; ~/ W5 r! t3 {
ssh 172.21.70.22
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5 |# X% o: X, P6 D& F! ][deployer@BFJD-PSC-P5F1-S-PM-OS01-SDN-VSR01 ~]$ ssh 172.21.70.22; M1 K; c0 @2 R8 u' B3 y

) c$ e! N' ^* O' c5 p$ z! Issh无结果
# d8 B" t) j9 y4 ^9 { tcpdump -i br-mgmt -vvv8 M; R' x1 Q& r/ k3 X$ v0 k
. V7 \* E. `: x! Z
  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
! s9 M" t0 D; J2 x( X- a7 W1 ]03:24:35.449896 IP (tos 0x10, ttl 64, id 37564, offset 0, flags [DF], proto TCP (6), length 852)
% t: l; W$ G( y) Q1 t* L% W    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 8006 Z( N* f0 W+ U* j( R! z0 I. ^
03:24:35.449984 IP (tos 0x10, ttl 64, id 37565, offset 0, flags [DF], proto TCP (6), length 852)
% J' J1 a9 z9 `, v2 ~( V6 o# i, q    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; Z. k* y0 v3 H3 n, }0 f
03:24:35.449995 IP (tos 0x10, ttl 59, id 50275, offset 0, flags [DF], proto TCP (6), length 52)
3 t- _) u- N% t$ j' r. ~    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 07 F! s8 U8 X+ ~8 J" m- B  U$ ]( y5 U
03:24:35.450041 IP (tos 0x10, ttl 59, id 50276, offset 0, flags [DF], proto TCP (6), length 52)( \' f1 i. N. @1 L4 n" \
    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 05 g, }8 U, X! T, o1 J
03:24:35.450045 IP (tos 0x10, ttl 64, id 37566, offset 0, flags [DF], proto TCP (6), length 852); G* H9 V# J; {2 \5 P) x; C* w& G
    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
0 s2 w0 o8 j' B4 ^03:24:35.450134 IP (tos 0x10, ttl 64, id 37567, offset 0, flags [DF], proto TCP (6), length 852)6 N- W9 @  n. b8 D4 c
    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% {+ x  H$ G( ]4 x9 G
03:24:35.450167 IP (tos 0x10, ttl 59, id 50277, offset 0, flags [DF], proto TCP (6), length 52)
3 U/ }( {9 @% p: @    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
- o3 m8 {# m9 O  i. p, i8 }! T03:24:35.450172 IP (tos 0x10, ttl 64, id 37568, offset 0, flags [DF], proto TCP (6), length 460): x+ a) W- ?  o+ A: T& R. O- T
    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) o9 Z- p: c$ G$ u$ L/ e
03:24:35.450259 IP (tos 0x10, ttl 64, id 37569, offset 0, flags [DF], proto TCP (6), length 800): h% G* }# X7 a* r  I" O8 V
    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
8 }& D( T& l$ w4 t: y03:24:35.450346 IP (tos 0x10, ttl 64, id 37570, offset 0, flags [DF], proto TCP (6), length 460)1 o+ y; C' q. h
    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 408
+ }& W7 x8 j& i5 S03:24:35.450355 IP (tos 0x10, ttl 59, id 50278, offset 0, flags [DF], proto TCP (6), length 52)
! m8 s1 T, w/ {5 w$ l$ }" ?    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' G& X: x' f1 ]
03:24:35.450432 IP (tos 0x10, ttl 64, id 37571, offset 0, flags [DF], proto TCP (6), length 852)
$ q) R4 h! ~) }$ P    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/ }" P( [: n/ W; v' N
03:24:35.450508 IP (tos 0x10, ttl 59, id 50279, offset 0, flags [DF], proto TCP (6), length 52)9 q5 R7 Y" y8 i& J+ q
    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
4 g' C* K# S0 a03:24:35.450513 IP (tos 0x10, ttl 64, id 37572, offset 0, flags [DF], proto TCP (6), length 460)
" e( v, g1 w' l3 Q  f    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
( ^+ C# x- V( Q- n5 w7 t03:24:35.450598 IP (tos 0x10, ttl 64, id 37573, offset 0, flags [DF], proto TCP (6), length 800)
! W* q2 Z) r! C/ \; N    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
2 W$ u; ?1 ]: W* [8 N: ?" G03:24:35.450599 IP (tos 0x10, ttl 59, id 50280, offset 0, flags [DF], proto TCP (6), length 52)
1 V9 v& N. k8 M" c1 M2 _# E    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: F& z7 F( O5 U3 h03:24:35.450668 IP (tos 0x10, ttl 59, id 50281, offset 0, flags [DF], proto TCP (6), length 52)( V/ a5 I) g6 ]% f* W( 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& ?4 b9 q- V, y" z3 x3 }) K. b
03:24:35.450673 IP (tos 0x10, ttl 64, id 37574, offset 0, flags [DF], proto TCP (6), length 852)" R. _3 F7 S1 w) k0 I
    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
* `3 |% a0 S( |5 Q* o03:24:35.450760 IP (tos 0x10, ttl 64, id 37575, offset 0, flags [DF], proto TCP (6), length 852)
& J( g' i# n; L6 l    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 800" W$ N6 D/ l* ?
03:24:35.450795 IP (tos 0x10, ttl 59, id 50282, offset 0, flags [DF], proto TCP (6), length 52)
3 F) \4 |7 J% i1 E) i" M    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
# `/ R% h% Y3 |9 `! [3 q( C- T2 F9 O03:24:35.450800 IP (tos 0x10, ttl 64, id 37576, offset 0, flags [DF], proto TCP (6), length 460), ?7 m: i- ^8 k9 \9 K" r  e
    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# ?" \. z; e2 ^6 E( q% m8 k1 {3 D! F  K
03:24:35.450879 IP (tos 0x10, ttl 59, id 50283, offset 0, flags [DF], proto TCP (6), length 52)
% J" |! x/ q. W# l8 h* F3 _    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
: M- U6 s1 M7 l) ~! j03:24:35.450884 IP (tos 0x10, ttl 64, id 37577, offset 0, flags [DF], proto TCP (6), length 508)8 {3 \) T7 R3 a3 {; j$ M1 t
    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 456
( [' `1 v. ?% A1 |8 b  B' I03:24:35.451054 IP (tos 0x10, ttl 59, id 50284, offset 0, flags [DF], proto TCP (6), length 52)
0 U) y7 J" X2 u5 I; [    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
0 _$ Y, o2 L4 {$ B
% _1 W' b" ?  {0 f7 E3 Z: f+ ^发现管理网口的mtu值为16002 C4 u6 @& a* {) j6 G
1 E, }) B1 M2 r6 C! k$ w- [
修改管理网口MTU值为1500: i+ h* m- H5 }2 C

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