hsrp IP address no pingable

I have setup the diagram below in a lab environment with gns3 and I'd like to know why I cannot ping the hsrp IP address from the fw. I run ospf on all of those routers. fw can ping and .4.
I have opsf relationship. I see all 3 neighbors. core1, core2, and fw can ping each other. But fw cannot ping the hsrp IP address.

net diagram
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Don JohnstonInstructorCommented:
Please post the output of "show standby brief" from Core 1 and Core 2.
NetExpert Network Solutions Pte LtdTechnical SpecialistCommented:
can you run the below command on both core1 and core2

#sh standby brief

Again, how your are connecting core1 and core2.  HSRP needs to send keepalive packet on the back to back to link between core
leblancAccountingAuthor Commented:
ESW2#sh standby brief
                     P indicates configured to preempt.
Interface   Grp Prio P State    Active          Standby         Virtual IP
Vl200       1   100  P Standby      local 

ESW1#sh stand brief
                     P indicates configured to preempt.
Interface   Grp Prio P State    Active          Standby         Virtual IP
Vl200       1   200  P Active   local 
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Don JohnstonInstructorCommented:
Okay, so I'm guessing that F1/0 and F1/1 on the FW are layer 2 interfaces and you're using an SVI which has the IP address, right?

From the FW, can you ping and
leblancAccountingAuthor Commented:
yes. No problem in pinging any interfaces, except the hsrp ip address. I am just wondering if there is something to do with my gns3.
Don JohnstonInstructorCommented:
I'm going to go with a gns issue.  The two routers are seeing each other. HSRP adjacency is established and you can ping the active HSRP router.

Is the FW resolving the IP address properly with ARP? You should see an entry in the ARP cache for with a MAC of 0000.0c07.acc8

If you have that, then you know the active router is responding to the ARP request.

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leblancAccountingAuthor Commented:
Yes. It was GNS3 issue. I rebuilt it and it worked.
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