Re: [Ssh-sftp-perl-users] Net::SSH::Perl issue

[Salvador F. <sfa...@ya...>]

>
>From: Ivaylo Terziyski <iva...@gm...>
>To: ssh...@li...
>Sent: Wed, February 3, 2010 7:26:56 PM
>Subject: [Ssh-sftp-perl-users] Net::SSH::Perl issue
>
>
>Hi,
> 
>I am using following code to configure Juniper router:
>
>Frequently, this kind of devices does not support sending commands via SSH but just running an interactive shell so they are better managed using Expect or Net::SSH::Expect.

Besides that, CPAN contains several packages specific to Juniper devices, maybe one of them can suit your needs.

Cheers,

- Salva


 
>  my $ssh = Net::SSH::Perl->new($ip, protocol => 2);
>>  $ssh->login($user, $pass);
>  foreach (@commands)
>    {      
>      my($out, $err, $exit) = $ssh->cmd($_);
>    }
> 
>but seems that every command in @commands is transmitted in a separate channel than the previous despite that the protocol is SSH2.
>With first command I am in configuration mode (look at Log file bellow)), but the next command is executed in non-configuration mode on next channel.
>What can I do to send all commands in one single channel ?
>___________________________________________
>Debug output:
>Reading configuration data /root/.ssh/config
>Reading configuration data /etc/ssh_config
>Allocated local port 1023.
>Connecting to X.Y.Z.W, port 22.
>Remote version string: SSH-2.0-OpenSSH_4.4
>
>
>Remote protocol version 2.0, remote software version OpenSSH_4.4
>Net::SSH::Perl Version 1.30, protocol version 2.0.
>No compat match: OpenSSH_4.4.
>Connection established.
>Sent key-exchange init (KEXINIT), wait response.
>Algorithms, c->s: 3des-cbc hmac-sha1 none
>Algorithms, s->c: 3des-cbc hmac-sha1 none
>Entering Diffie-Hellman Group 1 key exchange.
>Sent DH public key, waiting for reply.
>Received host key, type 'ssh-dss'.
>Host 'X.Y.Z.W' is known and matches the host key.
>Computing shared secret key.
>Verifying server signature.
>Waiting for NEWKEYS message.
>Enabling incoming encryption/MAC/compression.
>Send NEWKEYS, enable outgoing encryption/MAC/compression.
>Sending request for user-authentication service.
>Service accepted: ssh-userauth.
>Trying empty user-authentication request.
>Authentication methods that can continue: publickey,password,keyboard-interactive.
>Next method to try is publickey.
>Next method to try is password.
>Trying password authentication.
>Login completed, opening dummy shell channel.
>channel 0: new [client-session]
>Requesting channel_open for channel 0.
>channel 0: open confirm rwindow 0 rmax 32768
>Got channel open confirmation, requesting shell.
>Requesting service shell on channel 0.
>channel 1: new [client-session]
>Requesting channel_open for channel 1.
>Entering interactive session.
>Sending command: edit
>Requesting service exec on channel 1.
>channel 1: open confirm rwindow 0 rmax 32768
>input_channel_request: rtype exit-status reply 0
>channel 1: rcvd eof
>channel 1: output open -> drain
>channel 1: rcvd close
>channel 1: input open -> closed
>channel 1: close_read
>channel 1: obuf empty
>>channel 1: output drain -> closed
>channel 1: close_write
>channel 1: send close
>channel 1: full closed
>channel 2: new [client-session]
>Requesting channel_open for channel 2.
>Entering interactive session.
>Sending command: set interfaces ge-1/1/0 unit 71 description VRF-XYZ
>Requesting service exec on channel 2.
>channel 2: open confirm rwindow 0 rmax 32768
>input_channel_request: rtype exit-status reply 0
>channel 2: rcvd eof
>channel 2: output open -> drain
>channel 2: rcvd close
>channel 2: input open -> closed
>channel 2: close_read
>channel 2: obuf empty
>channel 2: output drain -> closed
>channel 2: close_write
>channel 2: send close
>channel 2: full closed
>channel 3: new [client-session]
>>Requesting channel_open for channel 3.
>Entering interactive session.
>Sending command: set interfaces ge-1/1/0 unit 71 vlan-id 71
>Requesting service exec on channel 3.
>channel 3: open confirm rwindow 0 rmax 32768
>input_channel_request: rtype exit-status reply 0
>channel 3: rcvd eof
>channel 3: output open -> drain
>channel 3: rcvd close
>channel 3: input open -> closed
>channel 3: close_read
>channel 3: obuf empty
>channel 3: output drain -> closed
>channel 3: close_write
>channel 3: send close
>channel 3: full closed
>channel 4: new [client-session]
>>Requesting channel_open for channel 4.
>....
>_____________________________________________
>Log file:
>
>
>edit
>Entering configuration mode
>
>
>set interfaces ge-1/1/0 unit 71 description VRF-XYZ
>
>
>error: syntax error, expecting <command>: interfaces
>
>
>set interfaces ge-1/1/0 unit 71 vlan-id 71
>
>
>error: syntax error, expecting <command>: interfaces
>
>
>commit and-quit
>
>
>error: unknown command: commit
>_____________________________________________
>Thank you in advance.