由于产品版本原因，登录的设备只能使用SSH Version 1进行登录 ，经过与TAC确认，需要后台修改参数，修改过程如下：
[root@shterm22 ~]# ssh shterm21
FIPS integrity verification test failed.
Warning: Permanently added 'shterm21,10.0.0.21' (RSA) to the list of known hosts.
Last login: Wed Nov 28 11:55:24 2018 from 10.1.13.19

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Main Menu

1. Date and Time
2. Network Configuration
3. Service Management
4. Administrators
   H. High Availability
   S. System Status
   T. System Tools
   A. Application Server
   Enter selection: root
   Challenge is 2644853635, enter password to continue: 64575114
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]# vim /etc/ssh/ssh_config

   Host *

   ForwardAgent no

   ForwardX11 no

   RhostsRSAAuthentication no

   RSAAuthentication yes

   PasswordAuthentication yes

   HostbasedAuthentication no

   BatchMode no

   CheckHostIP yes

   AddressFamily any

   ConnectTimeout 0

   Tunnel no

   TunnelDevice any:any

   PermitLocalCommand no

   VisualHostKey no

   Host *
   EscapeChar none
   ServerAliveInterval 60
   StrictHostKeyChecking no
   UserKnownHostsFile /dev/null
   GSSAPIAuthentication no
   ForwardX11Trusted yes
   SendEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
   SendEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
   SendEnv LC_IDENTIFICATION LC_ALL LANGUAGE
   SendEnv XMODIFIERS
   Cipher des
   PreferredAuthentications publickey,password,keyboard-interactive,gssapi-with-mic,hostbased
   Host 10.0.0.253
   Protocol 1
   "/etc/ssh/ssh_config" 30L, 823C written
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]#
   [root@shterm21 ~]# /etc/init.d/sshd restart
   Stopping sshd: [ OK ]
   Starting sshd: [