Automate ssh access on JunOS device using sshpass

This is an alternative way to mass configuring/accessing multiple devices at once, by using sshpass

• create a simple general purpose script

    $ cat ssh_multiple.bat
  
    #!/bin/bash
  
    user=$1
    passwd=$2
    target=$3
    cmd=$4
  
    for host in $target; do
        echo
        echo "Accessing $host ...."
        sshpass -p ${passwd} ssh ${user}@${host} "$cmd"
    done
  

• run the script, for example to enable telnet

    ./ssh_multiple.bat myuser mypassword "r1 r2 r3 r4" "configure;set system services telnet;commit synchronize;exit"