have Esx 3.5 with 6 physical NICs. It connects to my Cat6509 running 12.x IOS code. Have downloaded the Vmware/cisco whitepaper and several vmKB articles. Still have some confusion here.
1) Plan to run ESX in VST (vlan Tagging) mode.
2) What is the deal with Native Vlan ID in Esx VST can't be the same as the native VlanID of the physical switch? Huh? Is this a fancy way of saying change the native Vlan from 1 to "anything" when handing off trunks to ESX?
The vmkb articls 1004048 which outline etherchannel, but doesn't specify changing the native vlan to something else.
Is it possible to etherchannel and trunk over the same nics with ESX?
In ESX Virtual Switch Tagging (VST Mode) mode, you provision one port group on a virtual switch for each VLAN, and then attach the virtual machine's virtual adapter to the port group instead of the virtual switch directly. The virtual switch port group tags all outbound frames and removes tags for all inbound frames. It also ensures that frames on one VLAN do not leak into a different VLAN.
Native VLAN ID on ESX VST Mode is not supported. Do not assign a VLAN to a port group that is same as the native VLAN ID of the physical switch. Native VLAN packets are not tagged with VLAN ID on the out going traffic toward ESX host. Therefore, if ESX is set VST mode, it drops the packets that are lacking a VLAN tag.
The unmanaged mode is also known as Network only switching, which is introduced in Brazos release. It adds the flexibility for customer to use only network automation for service appliance.
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