Basic-Options

These scenarios check DHCP server basic network options. This includes: default-router, subnet-mask, and static-route.

Test Default-Router

Description

This scenario checks the default-router option. The DHCP server configures a default gateway, and the client receives it in the lease. The client’s routing table should show this as the default route. Verification includes packet capture to confirm Default-Gateway (3) option is sent.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 options default-router 10.0.0.1
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.1

Step 5: Run command traffic dump monitor detail interface eth0 filter "port 67 or port 68" packets 10 at DUT0.

Step 6: Run command service dhcp-client renew interface eth0 at DUT1 and expect this output:

Test Default-Router VRF

Description

This scenario checks the default-router option when the DHCP server is configured with VRF. The default gateway is configured in a VRF environment, and the client receives it correctly.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces ethernet eth0 vrf VRF0
set service dhcp-server shared-network default-router-vrf local-vrf VRF0
set service dhcp-server shared-network default-router-vrf subnet 10.0.0.0/24 options default-router 10.0.0.1
set service dhcp-server shared-network default-router-vrf subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf VRF0

Step 2: Set the following configuration in DUT1 :

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

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.1

Test Subnet-Mask

Description

This scenario checks the subnet-mask option. The DHCP server configures a subnet mask, and the client receives it in the lease. The client’s interface should be configured with this netmask. Verification includes packet capture to confirm Subnet-Mask (1) option is sent.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network subnet-mask subnet 10.0.0.0/24 options subnet-mask 255.255.255.0
set service dhcp-server shared-network subnet-mask subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command interfaces ethernet eth0 show at DUT1 and expect this output:

Step 5: Run command traffic dump monitor detail interface eth0 filter "port 67 or port 68" packets 10 at DUT0.

Step 6: Run command service dhcp-client renew interface eth0 at DUT1 and expect this output:

Test Subnet-Mask VRF

Description

This scenario checks the subnet-mask option when the DHCP server is configured with VRF. The subnet mask is configured in a VRF environment, and the client receives it correctly.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces ethernet eth0 vrf VRF0
set service dhcp-server shared-network subnet-mask-vrf local-vrf VRF0
set service dhcp-server shared-network subnet-mask-vrf subnet 10.0.0.0/24 options subnet-mask 255.255.255.0
set service dhcp-server shared-network subnet-mask-vrf subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf VRF0

Step 2: Set the following configuration in DUT1 :

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

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command interfaces ethernet eth0 show at DUT1 and expect this output:

Test Static-Route Single

Description

This scenario checks the static-route option with a single route. The DHCP server configures a classless static route, and the client receives it. The route should appear in the client’s routing table.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network static-route-single subnet 10.0.0.0/24 options static-route 192.168.100.0/24 next-hop 10.0.0.254
set service dhcp-server shared-network static-route-single subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command show monitor-db system dhcp interface eth0 rfc3442-routes at DUT1 and expect this output:

Test Static-Route Multiple

Description

This scenario checks the static-route option with multiple routes. The DHCP server configures two classless static routes, and the client receives both. Both routes should appear in the client’s routing table.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network static-route-multiple subnet 10.0.0.0/24 options static-route 192.168.100.0/24 next-hop 10.0.0.254
set service dhcp-server shared-network static-route-multiple subnet 10.0.0.0/24 options static-route 192.168.200.0/24 next-hop 10.0.0.253
set service dhcp-server shared-network static-route-multiple subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command show monitor-db system dhcp interface eth0 rfc3442-routes at DUT1 and expect this output:

Test Static-Route VRF

Description

This scenario checks the static-route option when the DHCP server is configured with VRF. The static route is configured in a VRF environment, and the client receives it correctly.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set interfaces ethernet eth0 vrf VRF0
set service dhcp-server shared-network static-route-vrf local-vrf VRF0
set service dhcp-server shared-network static-route-vrf subnet 10.0.0.0/24 options static-route 192.168.100.0/24 next-hop 10.0.0.254
set service dhcp-server shared-network static-route-vrf subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf VRF0

Step 2: Set the following configuration in DUT1 :

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

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command show monitor-db system dhcp interface eth0 rfc3442-routes at DUT1 and expect this output:

Test Basic Options Combined

Description

This scenario checks all basic network options configured together. The DHCP server configures default-router, subnet-mask, and static-route simultaneously. The client should receive all options and apply them correctly.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network basic-combined subnet 10.0.0.0/24 options default-router 10.0.0.1
set service dhcp-server shared-network basic-combined subnet 10.0.0.0/24 options static-route 192.168.100.0/24 next-hop 10.0.0.254
set service dhcp-server shared-network basic-combined subnet 10.0.0.0/24 options subnet-mask 255.255.255.0
set service dhcp-server shared-network basic-combined subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.1

Step 5: Run command interfaces ethernet eth0 show at DUT1 and expect this output:

Step 6: Run command show monitor-db system dhcp interface eth0 rfc3442-routes at DUT1 and expect this output:

Test Change Default-Router

Description

This scenario checks that the default router can be changed dynamically. Configure an initial default gateway, then change it and verify the client receives the new value.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 options default-router 10.0.0.1
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.1

Step 5: Modify the following configuration lines in DUT0 :

set service dhcp-server shared-network default-router subnet 10.0.0.0/24 options default-router 10.0.0.2

Step 6: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.2

Test Remove Default-Router

Description

This scenario checks that the default router can be removed. Configure a default gateway, then remove it and verify it is no longer sent to the client.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.0.0.1/24
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 options default-router 10.0.0.1
set service dhcp-server shared-network default-router subnet 10.0.0.0/24 start 10.0.0.5 stop 10.0.0.5
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 dhcp
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces ethernet eth0 show at DUT1 and check if output contains the following tokens:

10.0.0.5

Step 4: Run command protocols ip show route at DUT1 and check if output contains the following tokens:

via 10.0.0.1

Step 5: Modify the following configuration lines in DUT0 :

delete service dhcp-server shared-network default-router subnet 10.0.0.0/24 options

Step 6: Run command protocols ip show route at DUT1 and expect this output: