(
echo open 10.90.90.90
sleep 2
echo "admin"
sleep 1
echo "admin"
sleep 1
) | telnet
(
echo open 10.90.90.90
sleep 2
echo "admin"
sleep 1
echo "admin"
sleep 1
cat config_file | while IFS='' read line
do
echo "$line"
sleep 0.1
done
) | telnet