Community Training Classes & Labs > DNS Services Index

1. Transparent Cache

In this module we will prepare the objects required to build a transparent cache.

In the next exercise a DNS profile will reference the cache and a Listener will forward traffic to a healthy backend DNS server

../../_images/before_transparent_cache.png

Enabling a transparent cache on the BIG-IP will offload some DNS queries from being sent to the internal DNS servers.

../../_images/transparent_cache_enabled.png

Log into the gateway device router01.brancho1 in the branch office

Navigate to DNS ›› Caches : Cache List

Create a transparent cache

Setting Value
Name transparent_cache
Resolver Type Transparent
../../_images/cache_transparent.png

https://router01.branch01.example.com/tmui/Control/jspmap/tmui/dns/cache/create.jsp

TMSH command for router01.branch01:

TMSH

tmsh create ltm dns cache transparent transparent_cache