S3100V2交换机，配置SSH后，不能成功登陆。

S3100V2交换机，配置SSH后，不能成功登陆。

交换机配置如下：

<CQNA-DFSB.S1>dis cu

#

 version 5.20, Release 5203P12

#

 sysname CQNA-DFSB.S1

#

 domain default enable system

#

 password-recovery enable

#

acl number 2001

 rule 0 permit source 10.55.0.0 0.0.255.255

 rule 5 permit source 55.13.0.0 0.0.255.255

#

vlan 1

#

domain system

 access-limit disable

 state active

 idle-cut disable

 self-service-url disable

#

user-group system

 group-attribute allow-guest

#              

local-user cqdl-con

 password cipher $c$3$Yh0yYl4I75lundp72NoiAwAmU8X3VfLyg/il5g==

 authorization-attribute level 3

 service-type terminal

local-user cqdl-ssh

 password cipher $c$3$uR/bvYgEpY8E39GF2eO2Tn3NHgmVGpn2zYkcxg==

 authorization-attribute level 3

 service-type ssh

#

interface NULL0

#

interface Vlan-interface1

 ip address 55.110.32.124 255.255.255.128

#

interface Ethernet1/0/1

 description TO R1

 port link-type trunk

 port trunk permit vlan all

#

interface Ethernet1/0/2

#

interface Ethernet1/0/3

#              

interface Ethernet1/0/4

#

interface Ethernet1/0/5

#

interface Ethernet1/0/6

 shutdown

#

interface Ethernet1/0/7

 shutdown

#

interface Ethernet1/0/8

 shutdown

#

interface Ethernet1/0/9

 shutdown

#

interface Ethernet1/0/10

 shutdown

#

interface Ethernet1/0/11

 shutdown

#

interface Ethernet1/0/12

 shutdown

#

interface Ethernet1/0/13

 shutdown

#

interface Ethernet1/0/14

 shutdown

#

interface Ethernet1/0/15

 shutdown

#

interface Ethernet1/0/16

 shutdown

#

interface Ethernet1/0/17

 shutdown

#

interface Ethernet1/0/18

 shutdown

#

interface Ethernet1/0/19

 shutdown

#              

interface Ethernet1/0/20

 shutdown

#

interface Ethernet1/0/21

 shutdown

#

interface Ethernet1/0/22

 shutdown

#

interface Ethernet1/0/23

 shutdown

#

interface Ethernet1/0/24

 shutdown

#

interface GigabitEthernet1/0/25

 shutdown

#

interface GigabitEthernet1/0/26

 shutdown

#

 ip route-static 10.55.0.0 255.255.0.0 55.110.32.126

 ip route-static 55.13.0.0 255.255.0.0 55.110.32.126

#

 ntp-service unicast-server 55.110.32.126

#

 ssh server enable

 ssh user cqdl-ssh service-type stelnet authentication-type password

#

 load xml-configuration

#

 load tr069-configuration

#

user-interface aux 0

 authentication-mode scheme

 idle-timeout 5 0

user-interface vty 0 4

 authentication-mode scheme

 idle-timeout 5 0

 protocol inbound ssh

user-interface vty 5 15

#

return

 authentication-mode scheme

 idle-timeout 5 0

 protocol inbound ssh

user-interface vty 5 15

#

从路由登陆SSH时如下提示：

ssh 

ssh2 55.110.32.124 

Username: cqdl-ssh 

Press CTRL+C to abort. Connecting to 55.110.32.124 port 22. Failed to connect to host 55.110.32.124 port 22. 

麻烦看一下交换机配置，帮忙找一下问题。