21
by
command
line
interface.
The
SSH
connection
can
secure
all
the
configuration
commands
you
sent
to
the
switch.
SSH
is
a
client/server
architecture
while
the
switch
is
the
SSH
server.
When
you
want
to
make
SSH
connection
with
the
switch,
you
should
download
the
SSH
client
tool
first.
SSH
Client
There
are
many
free,
sharewares,
trials
or
charged
SSH
clients
you
can
find
on
the
internet.
Fox
example,
PuTTY
is
a
free
and
popular
Telnet/SSH
client.
We’ll
use
this
tool
to
demonstrate
how
to
login
by
SSH.
Note:
PuTTY
is
copyright
1997
‐
2006
Simon
Tatham.
1.
Open
SSH
Client/PuTTY
In
the
Session
configuration,
enter
the
Host
Name
(IP
Address
of
your
switch)
and
Port
number
(default
=
22).
Choose
the
“
SSH
”
protocol.
Then
click
on
“
Open
”
to
start
the
SSH
session
console.
2.
After
click
on
Open
,
then
you
can
see
the
cipher
information
in
the
popup
screen.
Press
Yes
to
accept
the
Security
Alert.
