Error: connect EHOSTUNREACH 192.168.21.34:22 - Local (192.168.21.58:49182)

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Error: connect EHOSTUNREACH 192.168.21.34:22 - Local (192.168.21.58:49182)
at internalConnect (node:net:953:16)
at defaultTriggerAsyncIdScope (node:internal/async_hooks:465:18)
at node:net:1044:9
at processTicksAndRejections (node:internal/process/task_queues:78:11) {
errno: -65,
code: 'EHOSTUNREACH',
syscall: 'connect',
address: '192.168.21.34',
port: 22,
level: 'client-socket'
}

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What's wrong with that

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var Client = require('ssh2').Client
var connect = new Client()

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"ssh2": {
  "version": "1.11.0",
  "integrity": "sha512-nfg0wZWGSsfUe/IBJkXVll3PEZ//YH2guww+mP88gTpuSU4FtZN7zu9JoeTGOyCNx2dTDtT9fOpWwlzyj4uOOw==",
  "dev": true,
  "requires": {
    "asn1": "^0.2.4",
    "bcrypt-pbkdf": "^1.0.2",
    "cpu-features": "~0.0.4",
    "nan": "^2.16.0"
  }
},

[mscdex]

EHOSTUNREACH means your OS could not find a route to that host. It is not an ssh2-specific error.

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Is this about the system?

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系统 Apple M4

[mscdex]

It's an OS/networking issue, not an ssh2 issue.