交换机

<5FA1JR1>dis version H3C Comware Software, Version 7.1.070, Release 6318P01 Copyright (c) 2004-2020 New H3C Technologies Co., Ltd. All rights reserved. H3C S5120V2-52P-LI uptime is 0 weeks, 4 days, 0 hours, 33 minutes Last reboot reason : Cold reboot

Press CTRL+C to abort. Connecting to 10.0.0.18 port 22. cisco@10.0.0.18's password: Enter a character ~ and a dot to abort. %Jan 5 00:32:24:690 2013 5FA1JR1 SSHS/6/SSHS_AUTH_SUCCESS: SSH user cisco from 10.0.0.18 port 33549 passed password authentication. %Jan 5 00:32:25:739 2013 5FA1JR1 SSHS/6/SSHS_CONNECT: SSH user cisco (IP: 10.0.0.18) connected to the server successfully. Connection to 10.0.0.18 closed. <5FA1JR1>%Jan 5 00:32:26:185 2013 5FA1JR1 SSHS/6/SSHS_DISCONNECT: SSH user cisco (IP: 10.0.0.18) disconnected from the server.

远程连接一直关闭，用户名密码是对的，以下是配置，看看是哪里有问题

line vty 0 4 

 authentication-mode scheme

 user-role level-15

local-user cisco class manage  

password hash $h$6$VrFH5HLS83rXNWxQ$2lJnJIMUJ+X39Il0T3Kgfuvel9NAEYRjDmBOgTYSeO2L7lZ6lJg6hno39jLbTzxKt6y+sEjBnta7KOHkpWhchA== 

 service-type telnet ssh 

 authorization-attribute user-role leve-15

配置都没有错，为什么一直无法连接的