Forum Discussion
pmilot
Altostratus
AltostratusDNS Resolver Cache
Hi,
I'm currently investigating the option to dispose of my LDNS servers and let the LTM do the recursive lookups for my clients and cache responses.
I have read the following statement from there site and I'm wondering if this statement applies to what I was trying to do.
"It is important for network architects to note that it is possible to configure the local BIND instance on the BIG-IP® system to act as an external DNS resolver. However, F5 Networks does not recommend this approach, because the performance of BIND is slower than using a resolver cache."
Basically what I was trying to accomplish is have my clients (linux, windows, etc) point to the LTM as their DNS servers, and let the DNS resolve and cache.
Thanks
- Kevin_Stewart
Employee
You can technically enable bind on an LTM, but it isn't going to be any better or faster than your current bind solution. My recommendation is to look at licensing/provisioning the Global Traffic Manager (GTM) module. That will give you GSLB, ZoneRunner for non-load balanced (bind-like) DNS, DNSSEC, additional caching/resolving capabilities, and DNS Express for DDoS-immune resolution.
What_Lies_Bene1Cirrostratus
Kevin's suggestion is quite valid but perhaps overkill for your requirements if your clients are internal; I'd suggest the DNS Services feature set would suffice if they are.
