Forum Discussion

PiotrL's avatar
PiotrL
Icon for Cirrus rankCirrus
Jun 23, 2015

GTM - offers two addresses instead of one

Hi, we have two locations (two ltm pairs, and two GTMs). Normally GTMs offer one address (wide ip) of the VS in the primary location (global availability option). When VS in the primary location goes...
availability
BIG-IP DNS
deployment
stan_piron's avatar
stan_piron
Icon for Cumulonimbus rankCumulonimbus
Jun 23, 2015

GTM return as many answer as configured in GTM pool. Default value is 1.

 

If preferred and Alternate load balancing method is not exhaustive (topology with not all IPs defined, RTT for an IP not probed or blocking request, ...) or all pool members unavailable, the fallback is return to DNS by default.

 

When creating wideIP, zone runner add wideIPs to BIND configuration. The default behavior of BIND is to answer with all records of wideIPs.