Telnet Connection

These scenarios show how to configure telnet connections with an explanation of the different options.

Telnet Connection

Description

In this scenario, a telnet connection is created using default configuration values.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.215.168.20/24
set service telnet
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.215.168.21/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Init a Telnet connection from DUT1 to IP address 10.215.168.20 :

admin@DUT1$ telnet 10.215.168.20

Telnet Connection Specific Port

Description

In this scenario, a telnet connection is created using a specific port different than the default one, to link server and client.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.215.168.20/24
set service telnet port 5555
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.215.168.21/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Init a Telnet connection from DUT1 to IP address 10.215.168.20 using port 5555:

admin@DUT1$ telnet 10.215.168.20 port 5555

Telnet Connection Specific Address

Description

In this scenario, two telnet connections are created using the ip address defined on the client.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.215.168.20/24
set service telnet
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.215.168.21/24
set interfaces ethernet eth0 address 10.215.168.22/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Init a Telnet connection from DUT1 to IP address 10.215.168.20 using local-address 10.215.168.21:

admin@DUT1$ telnet 10.215.168.20 local-address 10.215.168.21

Step 4: Init a Telnet connection from DUT1 to IP address 10.215.168.20 using local-address 10.215.168.22:

admin@DUT1$ telnet 10.215.168.20 local-address 10.215.168.22

Telnet Connection Specific VRF

Description

In this scenario, a telnet connection is established via the VRF specified on the client.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.215.168.20/24
set service telnet
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.215.168.21/24
set interfaces ethernet eth0 vrf VRF_TEST
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf VRF_TEST

Step 3: Init a Telnet connection from DUT1 to IP address 10.215.168.20 using vrf VRF_TEST:

admin@DUT1$ telnet 10.215.168.20 vrf VRF_TEST

Telnet Connection Specific Listen Addresses

Description

In this scenario, two telnet connections are established, one for each address defined at the server, which listen to requests from a client ip address.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address 10.215.168.20/24
set service telnet listen-address 10.215.168.20
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address 10.215.168.21/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 10.215.168.20 from DUT1:

admin@DUT1$ ping 10.215.168.20 count 1 size 56 timeout 1

Step 4: Init a Telnet connection from DUT1 to IP address 10.215.168.20 :

admin@DUT1$ telnet 10.215.168.20

Step 5: Modify the following configuration lines in DUT0:

set interfaces ethernet eth0 address 10.215.168.23/24
set service telnet listen-address 10.215.168.23

Step 6: Ping IP address 10.215.168.23 from DUT1:

admin@DUT1$ ping 10.215.168.23 count 1 size 56 timeout 1

Step 7: Init a Telnet connection from DUT1 to IP address 10.215.168.23 :

admin@DUT1$ telnet 10.215.168.23

Telnet Connection IPv6

Description

In this scenario, a telnet connection is created by using an IPV6 address instead of an IPV4 address.

Scenario

Step 1: Set the following configuration in DUT0:

set interfaces ethernet eth0 address '11::2/64'
set service telnet
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1:

set interfaces ethernet eth0 address '11::3/64'
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Ping IP address 11::2 from DUT1:

admin@DUT1$ ping 11::2 count 1 size 56 timeout 1

Step 4: Init a Telnet connection from DUT1 to IP address 11::2 :

admin@DUT1$ telnet 11::2