[f-nsp] Interoperability issue between Windows NLB cluster with Foundry SX800

[Sujith]

Hello,

Thank you for your valuable suggestions and time.

The client is having a Windows NLB cluster configured for an application and
is terminated to the Foundry switch.  The Windows cluster is receiving
request constantly on one server and not on other server.

We tried configuring static MAC address on both the Ethernet ports as
suggested by Foundry guide for Windows NLB setup and followed some
guidelines from Cisco guide also.  Both the guidance were failing to deliver
the request on both the servers.

The client is running a Hyper-V on two separate physical servers and each
Hyper-V is holding 3 Nos. of virtual machines.  The Windows NLB cluster is
configured only for 1 Virtual machine in each physical server.

The servers are terminated in the Foundry SX800.  The windows NLB cluster's
are configured to work in Unicast mode and also tested with Multicast mode
also.  On both the testing, we are not getting the results on both the
servers.  The Windows NLB cluster is working perfectly with Cisco switch
without any issue.

The client tested the Windows NLB cluster configured separately on the
physical servers (test bench) which is connected to the Foundry switch and
we get the results as expected.  But when tested with Windows NLB cluster
configured on a Virtual machine, it fails.

Do someone have come across this issue and is there any workaround to
resolve the same?

Thanks
-Sujith
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