Automate Telnet Login to CISCO Device with Expect

Step 1: Install expect (Centos 6.7 32bit)

yum install expect

Step 2: Verify expect install correct

expect –v

Step 3: Create Working Folder for Script

cd $HOME

mkdir CiscoAutomation

cd CiscoAutomation

Step 4: Create expect script with vi

vi TestCISCOLogin.exp

èScript file contents

#!/usr/bin/expect

set timeout 10

set hostname [lindex $argv 0]

set username "username"

set password "password"

set enablepassword "password"

spawn telnet $hostname

expect "Username:" {

  send "$username\n"

  expect "Password:"

  send "$password\n"

  expect ">" {

    send "en\n"

    expect "Password:"

    send "$enablepassword\n"

  }

  interact

}