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Forum Discussion

Mui_64918's avatar
Mui_64918
Icon for Cirrus rankCirrus
Feb 20, 2014

Dynamic Pool Members with DNS resolution

Has anyone tried to route traffic to a pool member using DNS name instead of IP address? Either resolve the name then check the IP/Node if its active and then send traffic. If we were to talk to oth...
application delivery
devops
iRules
LTM
Cory_50405's avatar
Cory_50405
Icon for Noctilucent rankNoctilucent
Feb 20, 2014

The LTM will attempt to resolve the FQDN to an IP address, and then create the pool member with that IP address. If the IP address can change, then you won't get the desired failover like you intend because it won't do the lookup every time a connection comes in. It'll only be resolved once upon creation of the pool member.