Fallback

Test suite to validate the fallback resolver

Fallback

Description

Configures an invalid upstream source and verifies DNS petitions are still being resolved.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 10.215.168.64/24
set protocols static route 0.0.0.0/0 next-hop 10.215.168.1
set service dns proxy fallback 10.215.168.1
set service dns proxy server-name RD
set service dns proxy static RD protocol dns-over-https host name remote.dns
set system certificate trust 'running://remote.dns-server.crt'
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Run command show host lookup teldat.com type A at DUT0 and check if output contains the following tokens:

teldat.com has address 19.18.17.16

Show output

;; communications error to ::1#53: connection refused
;; communications error to ::1#53: connection refused
teldat.com has address 19.18.17.16

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