Node.js

SSH Commands to Cisco Switch

See more SSH Examples

Demonstrates how to establish an SSH session with a Cisco switch (or something similar) and send commands in a device console session. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    var ssh = new chilkat.Ssh();

    success = ssh.Connect("172.16.16.100",22);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    //  Authenticate using login/password:
    success = ssh.AuthenticatePw("myLogin","myPassword");
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    //  Start a shell session.
    var channelNum = ssh.QuickShell();
    if (channelNum < 0) {
        console.log(ssh.LastErrorText);
        return;
    }

    //  If the CISCO switch returns a prompt with "#", then read until we get the prompt.
    //  (It's not actually required that we do this, but it helps to know that all is OK at this point..)
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    //  Show what we received so far:
    console.log(ssh.GetReceivedText(channelNum,"utf-8"));

    //  Send a "show clock" command.
    success = ssh.ChannelSendString(channelNum,"show clock\n","utf-8");

    //  Read the output to the next interactive prompt.
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    console.log(ssh.GetReceivedText(channelNum,"utf-8"));

    //  Send another command and get the output, and so on...
    success = ssh.ChannelSendString(channelNum,"some other command\n","utf-8");
    success = ssh.ChannelReceiveUntilMatch(channelNum,"#","utf-8",true);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    console.log(ssh.GetReceivedText(channelNum,"utf-8"));

    ssh.Disconnect();

}

chilkatExample();