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Alert Suppression on multiple conditions, a generic configuration?

I have 40 sites and want to limit the amount of advanced alerts I have created for each site. 
I've attached the flow of what I'm looking to accomplish, and I've done this by creating 40
seperate advanced alerts, mulitply by 3 for "business hours", "after hours", & "weekend".

I'd like to reduce the amount of Advanced Alerts configured to 3 from 120.

Just wondering if anyone has done this and if so, how?


More info:
If the core (NE) router is down, suppress ALL alerts.
If the remote (FE) router is down, suppress alerts for Nodes behind it.

All routers follow a strict naming convention , i.e.  ROUTER CORE, ROUTER REMABC, ROUTER REMXYZ, etc.
For the core suppression, I can do Node Name is equal to ROUTER CORE
For the remote site compression, I can do Node Name starts with ROUTER REM

My issue is I'm trying combine this into 1 advanced alert and I'm stuck.

  • On the chance you never got this figured out, NPM's Dependencies does the filtering for you.  It can discover dependents automatically, or you can over-ride them, or create your own Child Dependency Groups to make dependent on a Parent.

    For example:

    • A site has a WAN router or Border router (BRT), a Distribution Switch (DSW), and a dozen or more Access Switches (ASW's)
    • Create a group of all ASW's and place them in a Group of Child Dependents
    • Make that Group's Parent the DSW
    • Then create a second group with only the DSW in it as a Child
    • Make that group's Dependency Parent the BRT

    Testing:

    Any ASW going down will trigger the appropriate alert

    UNLESS

    The DSW is also down.  Then no ASW's will generate an alert; only the DSW will trigger an alert by being unavailable

    UNLESS

    The BRT is down.  Then ONLY the BRT will generate a Node Down alert.