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perl to cisco connection

Posted on 2013-12-21
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Last Modified: 2014-01-07
I want to let the do that ssh commands to the my cisco device how should i do it with perl ?


login as: root
root@ password:
force.salay.com.tr>enable
Password:
force.salay.com.tr#configure terminal
force.salay.com.tr(conf)#ip route xx.xx.xx.xx 255.255.255.255 null 0

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Question by:3XLcom
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Jordan Medlen earned 500 total points
ID: 39742586
While perl can do this, I use expect scripts to perform various tasks. These scripts allow for automating various tasks based on received information and so forth.

For instance, portion of a script that logs into a Cisco edge device and checks connectivity to it's gateway...

    /usr/bin/expect <<EOF > /dev/null
    set timeout 10

    spawn ssh -q -o StrictHostKeyChecking=no $id@$ipaddr

    # First time, expect prompt for adding to known_hosts.
    expect {
        "Are you sure you want to continue connecting *" {
        send "yes\n"
        expect "*assword: "
        send "$pass\n"
        }
        "*assword: " {
        send "$pass\n"
        }
    }

    expect "*>"
    send "en\r"
    expect "*assword: "
    send "$enpass\r"

    expect "*#"
    log_file /tmp/remote_ping-$checkip.txt
    send "ping $checkip\n"

    expect "*#"
    send "exit\n"

EOF

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This can then be used within a bash or other script.

Google "expect examples for cisco devices" and you will find a great deal of information.
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