Hi everyone,
first time posting here.
i have an issue that i can't seem to figure out. here's my environment:
:nexus 1000v (4.0.1.SV1.2) running on ESX version 4.0 Update 1
:2 x nexus 2000; 2 x nexus 5000 (i'm not the cisco engineer at my work so i don't have all the necessary info here)
:virtual machines that are running windows 2003 enterprise; these VM's are using E1000 virtual NIC
:the E1000's are connected to the nexus1000v
:the nexus1000v has two uplink ports; one uplink is connected to one nexus 2000 and the other uplink is connected to another nexus 2000
:the nexus 2000s are connected to two nexus 5000s
:a physical sql server (windows 2008 R2) is connected to one of the nexus 2000
Here's my issue:
:the 4 VM's that are configured with E1000 and are connected to the nexus1000v switch can't communicate with the physical sql server
:if i changed the e1000 NIC to a vmxnet3 NIC, it WORKS!
:if i move the VM (using the e1000 NIC) from the nexus1000v switch to the regular vStandard switch (vmware regular switch), it WORKS!
:if i use a different vLAN on the e1000 NIC, it WORKS!
:the problem seems to be only isolated to these 4 VM's: other VM's don't have communication issues with the physical server using different network configurations (different NIC type or different vLANs, or different type for virtual switch)
why is it that my problem seems to be isolated to those 4 VM's? Why is it that using a new type of virtual NIC (vmxnet3) would work inside the nexus1000v?
I'm running out of ideas...
