本地的系统是windows centos是在本地的虚拟机中的
ping检测时 ，双发能够ping通的，sshd服务也开启了，但是用ssh工具连接时，又连不上

Connecting to 192.168.122.1:22...
Canceled.

Type `help' to learn how to use Xshell prompt.

vi  /etc/sysconfig/network-scripts/ifcfg-ens33
-----
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=8e6176e5-5245-4d3c-bd24-d63115ece0f0
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.253.1 
NETMASK=255.255.255.0
GATEWAY=192.168.253.2
DNS1=101.198.199.200
ZONE=public

结果发现是 IPADDR 和本地的IPADDR 是一致的，冲突里，改成不一样就解决了

IPADDR=192.168.253.1 

[root@localhost network-scripts]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.253.2  netmask 255.255.255.0  broadcast 192.168.253.255
        inet6 fe80::a17:7dd5:c798:f0df  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:a2:5c:8f  txqueuelen 1000  (Ethernet)
        RX packets 752647  bytes 1115601889 (1.0 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 268170  bytes 16566157 (15.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

要保证这里的 inet 信息和windows 所显示的ip地址是不一样的就行