How many layers is too many layers of Virtual Servers?

Hi Gym,

Yea, in short you're right, but the issue I was having was that I couldn't figure out how to determine in an iRule whether a valid pool had been selected (or a redirect response been sent) by one of the endpoint policies.  What I ended up doing was adding the following condition to the iRule:

when HTTP_REQUEST {
  set selected_pool [lindex [LB::server] 0]
  if { [HTTP::has_responded] } { return }
  if { $selected_pool ends_with "default_pool" } {
    HTTP::respond 404 -version auto content [ifile get custom_404.html] noserver
  }
}

where the "default_pool" is the default pool of the VS.

Is that what you mean by "default action"?  Or is there some simpler way to do this?

Thanks,
Greg