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Avatar of Andrea Chiavegato
Andrea ChiavegatoFlag for Italy

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VMkernel with vLAN for communicate with NAS with vLAN support

I have a device Netgear ReadyNAS 2100 that supports VLAN, I do communicate with this device ESX 4.1 via iSCSI protocol. Let me set the vmkernel of ESX Server on my Netgear the same VLAN to be sure that this NIC communicates only with the NAS Netgear on the same VLAN. Between ESX hosts and NAS Netgear, there is a switch Linksys. I have not experience on configuring VLAN tagged but I know well the theoretical functions. I world set the Netgear NAS VLAN "200" (for example) and vmkernel on the same VLAN "200" I do not know if I need to do some setting on the Linksys Switch (which has the default VLAN on all ports "0") or I can remain the same switch configuration and everything works anyway?

Thanks
Avatar of Paul Solovyovsky
Paul Solovyovsky
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If not routed between different subnets leave it on the default vlan if you want to access the internet for the VMs.  
If using the Software iSCSI adapter (or a dependent hardware iSCSI HBA) the VMkernel port must be on the same IP subnet as the storage. So long as you are able to vmkping the storage from ESX you should be OK. It doesn't really make any difference if VLANs or dumb switches are involved in the connection.

What you can't do is have a routed connection where the VMkernel port is on one IP subnet, and the storage is on another.

Good Luck
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phantom024
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