问kex_exchange_identification:读:当尝试ssh到局域网上的笔记本电脑时连接超时

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PS C:\Users\enricojr\.ssh> ssh -vvv 192.168.254.203
OpenSSH_for_Windows_8.1p1, LibreSSL 3.0.2
debug1: Reading configuration data C:\\Users\\enricojr/.ssh/config
debug3: Failed to open file:C:/ProgramData/ssh/ssh_config error:2
debug2: resolve_canonicalize: hostname 192.168.254.203 is address
debug2: ssh_connect_direct
debug1: Connecting to 192.168.254.203 [192.168.254.203] port 22.
debug1: Connection established.
debug1: identity file C:\\Users\\enricojr/.ssh/id_rsa type 0
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_rsa-cert error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_rsa-cert.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_rsa-cert type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_dsa error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_dsa.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_dsa type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_dsa-cert error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_dsa-cert.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_dsa-cert type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ecdsa error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ecdsa.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_ecdsa type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ecdsa-cert error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ecdsa-cert.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_ecdsa-cert type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ed25519 error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ed25519.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_ed25519 type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ed25519-cert error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_ed25519-cert.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_ed25519-cert type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_xmss error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_xmss.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_xmss type -1
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_xmss-cert error:2
debug3: Failed to open file:C:/Users/enricojr/.ssh/id_xmss-cert.pub error:2
debug1: identity file C:\\Users\\enricojr/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_for_Windows_8.1
debug3: recv - from CB(2) ERROR:138, io:000001B6A4A39080
kex_exchange_identification: read: Connection timed out

PS C:\Users\enricojr\.ssh> tracert 192.168.254.203

Tracing route to 192.168.254.203 over a maximum of 30 hops

  1     2 ms     1 ms     2 ms  192.168.254.203

Trace complete.

PS C:\Users\enricojr\.ssh> ping 192.168.254.203

Pinging 192.168.254.203 with 32 bytes of data:
Reply from 192.168.254.203: bytes=32 time=2ms TTL=64
Reply from 192.168.254.203: bytes=32 time=2ms TTL=64
Reply from 192.168.254.203: bytes=32 time=2ms TTL=64
Reply from 192.168.254.203: bytes=32 time=2ms TTL=64

Ping statistics for 192.168.254.203:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 2ms, Maximum = 2ms, Average = 2ms

PS C:\Users\enricojr\.ssh> ssh-keyscan 192.168.254.203
read (192.168.254.203): Connection timed out
read (192.168.254.203): Connection timed out
read (192.168.254.203): Connection timed out