Nexus 5K HSRP with 4 switches -- Server not pingable
We have the below given topology in our DCs.
5K1--VPC--5K2 ----(Inter DC link)----5K3--VPC--5K4
5K1 & 2 are HSRP Primary and Secondary
5K3 & 4 are in Listening mode
We have servers connected both DC1 & 2 and VLANs were extended in between the DCs.
We have some servers dual connected to DC1 & 2 switches. When pinging from 5K3, i am able to ping all servers connected in the DC1 and 2. But when pinging from 5K4, i am not able to ping any servers in DC2. However, i am able to ping other servers DC1 in the same VLAN.
Not sure what is the root cause of this issue, but both links are active from Server & switch perspective. When we shut either one of the link in 5K3 or 5K4, we able to ping the servers from both 5Ks.
Is this default behaviour of switches HSRP learning mode ? or one of the many caveats in Nexus ? Please help me to identify this issue and fix it.
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