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ESXi 5.1.0 do not TAG VLAN frames

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Hello,

 

in my scenario I am using more virtual switches. One of them has no physical network adapter. Traffic between TRUNK port group and VLAN xxx portgroup inside vSwitch2 is NOT tagged!

 

VM1 - virtual Linux firewall with 2 NICs and more internal TAP network adapters for VPNs:

NIC1 - vSwitch1, VLAN to WAN connection

NIC2 - TRUNK to vSwitch2 (VLAN 4095)

(NIC2 is bridged to one of TAP adapters to my custommers)

 

VM2 - virtual Linux server with 1 NIC

NIC1 - vSwitch2, VLAN correspondent to VLAN at my custommer.

 

 

Switch Name      Num Ports   Used Ports  Configured Ports  MTU     Uplinks

vSwitch2         128         3           32                9000

 

 

  PortGroup Name        VLAN ID  Used Ports  Uplinks

  111 vlan111       111      0

  116 vlan116       116      0

  113 vlan113       113      0

  112 vlan112       112      0

  120 vlan120       120      1

  Trunk               4095     1

 

The problem is:

Ethernet frame from VM2 goes through port group vlan120 AND SHUT BE TAGGED. But it is not, because ON VM1 (which goes through port group Trunk) is all traffic untagged.

 

Important ifno:

Promiscuous mode on virtual switches is enabled.

I am using same VLAN numbers (corresponding to different VLAN netvorks) on other virtual switches.

 

Thanks for your help or info.

 

Best regards

 

Tomas Vasek


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