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Forum Discussion

Shahrzad_84598's avatar
Shahrzad_84598
Icon for Nimbostratus rankNimbostratus
Jan 15, 2017

How can I be independent from dns propagation time when using BIG-IP DNS?

Hi there! I need to have just one IP returned when I have 2 data-centers to get rid of dns propagation time(like the thing "CloudFlare" says it provides), In the article "DNS Architecture in the 21st...
application delivery
BIG-IP DNS
big-ip gtm
Stanislas_Piro2's avatar
Stanislas_Piro2
Icon for Cumulonimbus rankCumulonimbus
Jan 16, 2017

Hi,

 

In gtm, the default ttl of dns answers is 30 seconds.

 

If both vs are down in gtm, and fallback lb method is "return to dns", local bind service will answer with all ips even if the pool is defined to answer with one answer.