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(Mono C#) SSH Commands to Cisco Switch

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

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

Chilkat.Ssh ssh = new Chilkat.Ssh();

bool success = ssh.Connect("172.16.16.100",22);
if (success != true) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

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

// Start a shell session.
int channelNum = ssh.QuickShell();
if (channelNum < 0) {
    Debug.WriteLine(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) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

// Show what we received so far:
Debug.WriteLine(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) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

Debug.WriteLine(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) {
    Debug.WriteLine(ssh.LastErrorText);
    return;
}

Debug.WriteLine(ssh.GetReceivedText(channelNum,"utf-8"));

ssh.Disconnect();

 

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