Having followed the excercises up to this point will have resulted in the creation of an active/active disaster recovery topology. An alternating response is received when querying www.example.com. From the command prompt in the Jumpbox type “dig www.example.com”. Repeat dig commands and observe the TTL counting down.
Log into both the Active and the Standby ADC device in SITE1 and disable all interfaces.
TMSH command to run on bigip1.site1 and bigip2.site1 to simulate a network failure
tmsh modify interface all disabled
Log into gtm1.site1 and observe the status of “Server” objects:
tmsh show gtm server
Log into bigip1.site1 and bigip2.site1 and enable all interfaces
tmsh modify interface all enabled